US2007407A - Prepared smoking tobacco - Google Patents
Prepared smoking tobacco Download PDFInfo
- Publication number
- US2007407A US2007407A US600555A US60055532A US2007407A US 2007407 A US2007407 A US 2007407A US 600555 A US600555 A US 600555A US 60055532 A US60055532 A US 60055532A US 2007407 A US2007407 A US 2007407A
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- US
- United States
- Prior art keywords
- tobacco
- colloidal
- substances
- smoke
- aluminum hydroxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/287—Treatment of tobacco products or tobacco substitutes by chemical substances by inorganic substances only
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
Definitions
- This invention relates to an improvement in smoking tobacco, and more particularly in the tobacco which is used in the manufacture of cigarettes, the improvement consisting in adding to the tobacco a material or materials which during smoking, remove certain objectionable matter from the smoke, and thereby increase the enjoyment experienced during the smoking of the cigarette.
- An object of the invention is to so treat the tobacco. that when it is made into a cigarette the smoke therefrom will have an agreeable flavor and taste, and will not produce a biting sensatlon.
- a further object is to add to the tobacco during the manufacturing processes,-a material or materials which will remove from the smoke a considerable-part of the nicotine and phenol compounds, and other objectionable substances, so that the nicotine and phenol compounds and other substances, or a greatly reduced quantity thereof, will not be taken into the mouth during smoking.
- a further object is to provide a material or materials which may be added to smoking tobacco that will have the property of removing substances therefrom during smoking which substances produce unpleasant tastes, .thereby permitting the use of a greater variety of different grades 'of tobacco, including highly flavored or strong tobacco, in cigarettes and the like, and
- the colloidal substances referred to have the property of selectively adsorbing or occluding or absorbing the nicotine or phenol compounds, or other objectionable substances from the smoke, as such substances are produced or liberated by the burning tobacco, or as the smoke passes through the body of the cigarette.
- a colloid having an acid nature removes alkaloid impurities having an alkaline reaction from the tobacco smoke; while colloidal substances having an alkaline nature remove alkaloid impurities having an acid reaction from the tobacco smoke.
- the result is that the smoke from the treated cigarettes is much more agreeable and enjoyable to the taste and smell, and with little or no biting sensation on the tongue than when such colloids are absent.
- any inorganic colloid which has the property of adsorbing, absorbing, or occluding objectionable gases and vapors from hot tobacco smoke, without imparting an objectionable flavor to the smoke, may be used.
- colloidal silicic acid (silica gel); colloidal aluminum hydroxide or colloidal aluminum oxide, amorphous titanium oxides,
- colloidal For want of a generic term to describe amorphous inorganic substances which function as colloids in this invention, such substances are called colloidal.
- the colloids are preferably slightly moistened so as to adhere to the surface of the tobacco during the mixing, or the tobacco may be slightly moistened, or both the colloidal substances and the tobacco may be slightly moistened; the moistening operation may be effected by passing water-laden air, or steam, over the surfaces of the colloidal substances or of the tobacco or both, before mixing. If the mixture of tobacco and colloidal substances should be too damp, it may be artificially dried with warm air before the cigarettes are made.
- the aluminum hydroxide used by me is such as is used as an extender in paints and I believe is obtained by precipitation from soluble salts such as aluminum sulphate. I am not sure that it is entirely composed of particles of colloidal size. It might be more exact to describe it as colloidal, partly colloidal or approaching a colloidal state. I feel it is sufficient for my purpose to have aluminum hydroxide presenting the character of surface in its particles as would be obtained by the use of dried precipitated aluminum hydroxide. Other grades of finely divided aluminum hydroxide might answer the purpose but the finer the state of division and more surface exposed to the tobacco smoke, the better for my purpose.
- amorphous'titanium oxides particularly titanium dioxide (TiOz)
- TiOz titanium dioxide
- I have taken about 2 percent of titanium dioxide mixed with ordinary cigarette tobacco and have made cigarettes with good flavor although I prefer to use mixtures of aluminum hydroxide and colloidal silica.
- the colloidal substances added to the tobacco may vary with the grade of tobacco used, or with the known contents of nicotine or phenol compounds or other objectionable substances presant, and said colloidal substances singly or mixed, may be added to upwards of five percent of the weight of the tobacco, but generally I prefer to use a smaller quantity. Tests have been made with from one-half percent to five percent of added colloids. Colloidal silicic acid (silica gel) has been found to give beneficial results with an addition of about two percent by weight of the dried tobacco. Colloidal aluminum hydroxide or colloidal aluminum oxide, when used in about the same quantity, that is, about two percent, has also given beneficial results.
- Moistened bentonite or moistened fullers earth may be added to the mixed colloidal silicic acid and colloidal aluminum hydroxide or aluminum oxide, and the final mixture used in a proportion of about two percent of the dry tobacco.
- an oxidizing agent for example, potassium nitrate
- the method of improving the flavor of the smoke of smoking tobacco during smoking which comprises addingto the tobacco an artificially precipitated colloidal" aluminum-oxygen compound, said colloidal matter extracting objectionable substances from the smoke during smoking.
- the method of improving the flavor oi the smoke of smoking tobacco during smoking which comprises adding to the tobacco an artificially precipitated colloidal aluminum hydroxide, said colloidal matter extracting objectionable substances from the smoke during smoking.
- the method of improving the flavor of the smoke of smoking tobacco during smoking which comprises adding to the tobacco inorganic substances containing artificially precipitated colloidal aluminum hydroxide and artificial colloidal silicic acid, said colloidal matter extracting objectionable products from the smoke during smoking.
- the method of improving the flavor of the smoke of. smoking tobacco during smoking which comprises adding to the tobaccoinorganic substances containing artificially precipitated colloidal aluminum hydroxide and other inorganic colloids, and an oxidizing agent, said colloidal matter extracting objectionable products from the smoke during smoking.
- Cigarettes containing tobacco associated and ineffective cooperation with artificially precipitated colloidal aluminum hydroxide are provided.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture Of Tobacco Products (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Description
Patented July 9, 1935 UNITED STATES PREPARED SMOKING TOBACCO Samuel S. Sadtler, Erdenhcim, near Philadelphia, Pa.
No Drawing. Application March 22, 1932, Serial No. 600, 555. Renewed August 3, 1933 14 Claims. ('01. 131-31 This invention relates to an improvement in smoking tobacco, and more particularly in the tobacco which is used in the manufacture of cigarettes, the improvement consisting in adding to the tobacco a material or materials which during smoking, remove certain objectionable matter from the smoke, and thereby increase the enjoyment experienced during the smoking of the cigarette.
An object of the invention is to so treat the tobacco. that when it is made into a cigarette the smoke therefrom will have an agreeable flavor and taste, and will not produce a biting sensatlon.
A further object is to add to the tobacco during the manufacturing processes,-a material or materials which will remove from the smoke a considerable-part of the nicotine and phenol compounds, and other objectionable substances, so that the nicotine and phenol compounds and other substances, or a greatly reduced quantity thereof, will not be taken into the mouth during smoking.
A further object is to provide a material or materials which may be added to smoking tobacco that will have the property of removing substances therefrom during smoking which substances produce unpleasant tastes, .thereby permitting the use of a greater variety of different grades 'of tobacco, including highly flavored or strong tobacco, in cigarettes and the like, and
thereby producingnew blends not heretofore used because such new blends require the use of grades of tobacco which in addition to possessing agreeable flavors also coritain ingredients which result in the .production of unpleasant flavors and tastes in the blended tobacco.
Other objects of the invention will appear to those skilled in the art upon reading the specification.
After along period of research with many kinds of tobacco, including such grades as are generally used in cigarette manufacture, with the addition thereto of many "improving chemical compounds, I have found that when such substances as colloidafsilicic acid (known in the trade as silica gel colloidal aluminum hydroxide, or colloidal aluminum oxide, amorphous titanium oxides, particularly titanium dioxide, and. precipitated dried colloidal titanium hydroxides, bentonite, or fullers earth, either singly, or two or more of such colloidal substances mixed, are added to the tobacco in the course of manufacturing operations, that cigarettes made therefrom produce a muchfmore agreeable smoke than when such substances, or any one or more of them, are absent. During my research work, I have passed the smoke from cigarettes containing added colloidal substances in accordance with my invention, through water, and have also passed the smoke from the same number of cigarettes made from the same sample of tobacco, but without the addition of the colloidal substances, through the same quantity of water and underthe same conditions, and in each test have found upon chemical examination that the water treated with the smoke from the cigarettes containing the colloidal substances contained very much less, about half, and in some cases less than half, of the nicotine, phenol compounds, and other substances, which impart to the smoke an unpleasant flavor, than the water treated with smoke from the cigarettes not containing the added colloidal substances.
The colloidal substances referred to have the property of selectively adsorbing or occluding or absorbing the nicotine or phenol compounds, or other objectionable substances from the smoke, as such substances are produced or liberated by the burning tobacco, or as the smoke passes through the body of the cigarette. Apparently, a colloid having an acid nature removes alkaloid impurities having an alkaline reaction from the tobacco smoke; while colloidal substances having an alkaline nature remove alkaloid impurities having an acid reaction from the tobacco smoke. But whatever the explanation of the phenomenon may be, the result is that the smoke from the treated cigarettes is much more agreeable and enjoyable to the taste and smell, and with little or no biting sensation on the tongue than when such colloids are absent.
Any inorganic colloid which has the property of adsorbing, absorbing, or occluding objectionable gases and vapors from hot tobacco smoke, without imparting an objectionable flavor to the smoke, may be used. Of such substances, I have successfully used colloidal silicic acid, (silica gel); colloidal aluminum hydroxide or colloidal aluminum oxide, amorphous titanium oxides,
particularly titanium dioxide, and precipitated one of the above noted colloidal substances singly.
For want of a generic term to describe amorphous inorganic substances which function as colloids in this invention, such substances are called colloidal.
In the manufacturing process, the colloids are preferably slightly moistened so as to adhere to the surface of the tobacco during the mixing, or the tobacco may be slightly moistened, or both the colloidal substances and the tobacco may be slightly moistened; the moistening operation may be effected by passing water-laden air, or steam, over the surfaces of the colloidal substances or of the tobacco or both, before mixing. If the mixture of tobacco and colloidal substances should be too damp, it may be artificially dried with warm air before the cigarettes are made.
The aluminum hydroxide used by me is such as is used as an extender in paints and I believe is obtained by precipitation from soluble salts such as aluminum sulphate. I am not sure that it is entirely composed of particles of colloidal size. It might be more exact to describe it as colloidal, partly colloidal or approaching a colloidal state. I feel it is sufficient for my purpose to have aluminum hydroxide presenting the character of surface in its particles as would be obtained by the use of dried precipitated aluminum hydroxide. Other grades of finely divided aluminum hydroxide might answer the purpose but the finer the state of division and more surface exposed to the tobacco smoke, the better for my purpose.
I have found that amorphous'titanium oxides, particularly titanium dioxide (TiOz), have to some degree the properties of a mixture of aluminum hydroxide and colloidal silica and I have used it alone in cigarettes as an addition agent. For instance, I have taken about 2 percent of titanium dioxide mixed with ordinary cigarette tobacco and have made cigarettes with good flavor although I prefer to use mixtures of aluminum hydroxide and colloidal silica.
The colloidal substances added to the tobacco may vary with the grade of tobacco used, or with the known contents of nicotine or phenol compounds or other objectionable substances presant, and said colloidal substances singly or mixed, may be added to upwards of five percent of the weight of the tobacco, but generally I prefer to use a smaller quantity. Tests have been made with from one-half percent to five percent of added colloids. Colloidal silicic acid (silica gel) has been found to give beneficial results with an addition of about two percent by weight of the dried tobacco. Colloidal aluminum hydroxide or colloidal aluminum oxide, when used in about the same quantity, that is, about two percent, has also given beneficial results. Mixed dry colloidal silicic acid and colloidal aluminum hydroxide or colloidal aluminum oxide about half and half by weight of each, have been found to be more beneficial than either of these colloids separately, when the said mixed colloids are added in about two percent (one percent of silicic acid and one percent of the aluminum hydroxide or aluminum oxide) of the Weight of the tobacco. Other mixtures of these colloids containing from one part of one colloid to nine parts of the other colloid, and up to nine parts of the first colloid to one part of the second colloid have also been used with highly beneficial results. The use of colloidal silicic acid in combination with tobacco for smoking, is described andclaimed in my copending application, filed November 26, 1927, Serial Number 236,012.
Moistened bentonite or moistened fullers earth, or a mixture of about half and half of bentonite and fullers earth, moistened until they are gelatinous, may be added to the mixed colloidal silicic acid and colloidal aluminum hydroxide or aluminum oxide, and the final mixture used in a proportion of about two percent of the dry tobacco. When larger quantities of mixed colloids are added to the tobacco, it may in some cases be desirable to also add a small quantity of an oxidizing agent, for example, potassium nitrate, to the mixed colloids to aid combustion and thereby counteract the extinguishing effect of the excess of colloids on the burning tobacco.
In one series of tests, to tobacco weighing about 28 grams from one packageof cigarettes, there was added one-half gram of colloidal dry aluminum hydroxide.
In another test, about one-half gram of colloidal silicic acid was added to about twenty-five grams of tobacco.
In another test, one gram of mixed half and half colloidal silicic acid and colloidal dry aluminum hydroxide, was added to fifty grams of tobacco.
In another test, to 800 milligrams of mixed half and half colloidal silicic acid and colloidal dry aluminum hydroxide was added 200 milligrams of bentonite, the mass thoroughly mixed and moistened until it was pasty and then applied to fift grams of tobacco.
In another test, to 800 milligrams of colloidal silicic acid, and 800 milligrams of colloidal dry aluminum hydroxide was added 200 milligrams of bcntonite and 200 milligrams of fullers earth, the mass well mixed and then moistened until pasty and then applied to 100 grams of tobacco.
In another test, one gram of dried precipitated titanium dioxide was moistened and mixed with fifty grams of ordinary cigarette tobacco and made into cigarettes, which had a very much improved flavor.
In each of the above tests, cigarettes were made from the tobacco and upon smoking, it was found that they were very much more agreeable than cigarettes made from the original sample of tobacco but without the addition of the colloidal substances; there was much less biting taste, and no unpleasant odors were experienced. Other percentages of added bentonite and fullers earth, singly and mixed up to about equal quantities of all colloids, were also tried, but about twenty to thirty percent of bentonite, or fullers earth, singly or mixed, was found to be beneficial.
Other series of tests similar to the above tests, were made using percentages of single and mixed colloids as above, in quantities from one-half per cent of the colloid or colloids upwards, including a one percent mixture, a three percent mixture, a four percent mixture, and a five percent mixture; it was noticed in each test that the resulting smoke was more agreeable when the colloids were present than when they were absent, but the better results were noticed when from two, to two and one-half, to three percent of colloids were added. With as much as five percent of added colloids, it was noticed that the cigarette appeared to be more diflicult to burn, and accordingly, a very small quantity of potassium nitrate was added to improve the combustion.
Tobacco treated with colloidal substances as described herein has also been made into cigars,
and also has been smoked in pipes, with the same beneficial results as described above in connection with cigarettes.
I claim:-
'1. The method of improving the flavor of the smoke of smoking tobacco during smoking, which comprises addingto the tobacco an artificially precipitated colloidal" aluminum-oxygen compound, said colloidal matter extracting objectionable substances from the smoke during smoking.
2. The method of improving the flavor oi the smoke of smoking tobacco during smoking, which comprises adding to the tobacco an artificially precipitated colloidal aluminum hydroxide, said colloidal matter extracting objectionable substances from the smoke during smoking.
3. The method of improving the flavor of the smoke of smoking tobacco during smoking, which comprises adding to the tobacco inorganic substances containing artificially precipitated colloidal aluminum hydroxide and artificial colloidal silicic acid, said colloidal matter extracting objectionable products from the smoke during smoking.
4. The method of improving the flavor of the smoke of smoking tobacco during smoking, which comprises adding to the tobacco inorganic substances containing artificially precipitated colloidal aluminum hydroxide and an oxidizing agent, said colloidal matter extracting objectionable products from the smoke during smoking.
\ 5. The method of improving the flavor of the smoke of. smoking tobacco during smoking, which comprises adding to the tobaccoinorganic substances containing artificially precipitated colloidal aluminum hydroxide and other inorganic colloids, and an oxidizing agent, said colloidal matter extracting objectionable products from the smoke during smoking.
6. Smoking tobacco associated and in effective cooperation with an artificially precipitated colloidal aluminum-oxygen compound.
7. Smoking tobacco associated and in efiective cooperation with an artificially precipitated colloidal aluminum hydroxide.
8. Smoking tobacco associated and in effective cooperation with anartificially precipitated colloidal aluminum hydroxide and artificial colloidal silicic acid.
9. Smoking tobacco associated and in effective cooperation with an artificiallyprecipitated inorganic colloid comprising aluminum hydroxide, and an oxidizing agent.
10 Smoking tobacco associated and in effective cooperation with upwards of one percent. of at least one artificially precipitated inorganic colloid" comprising aluminum hydroxide.
11. Smoking tobacco associated and in effective cooperation with from about one percent to about three percent of at least one artificially precipitatedinorganic colloid comprising aluminum hydroxide. I
12. Smoking tobacco associated and in effective cooperation with from about three percent to about five percent of at least one artificially precipitated inorganic colloid comprising aluminum hydroxide.
13. Cigarettes containing tobacco associated and ineffective cooperation with artificially precipitated colloidal aluminum hydroxide.
. 14. Cigarettes containing tobacco associated and in effective cooperation with artificially precipitated colloidal? aluminum hydroxide, and other artificial inorganic colloids. I
SAMUEL S. SADTLER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US600555A US2007407A (en) | 1932-03-22 | 1932-03-22 | Prepared smoking tobacco |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US600555A US2007407A (en) | 1932-03-22 | 1932-03-22 | Prepared smoking tobacco |
Publications (1)
Publication Number | Publication Date |
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US2007407A true US2007407A (en) | 1935-07-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US600555A Expired - Lifetime US2007407A (en) | 1932-03-22 | 1932-03-22 | Prepared smoking tobacco |
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Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2644422A (en) * | 1950-12-21 | 1953-07-07 | Gen Electric | Frost indicator for refrigerators |
US2706695A (en) * | 1949-07-19 | 1955-04-19 | Gen Cigar Co | Water-soluble cellulose derivatives in smoking products |
US2755207A (en) * | 1953-12-04 | 1956-07-17 | Gen Cigar Co | Cigarette paper |
US2815028A (en) * | 1954-07-20 | 1957-12-03 | Bernhard Edgar | Cigarette structure |
US2832351A (en) * | 1950-06-26 | 1958-04-29 | Verdurin Company | Method of treating tobacco smoke |
US2933420A (en) * | 1957-12-26 | 1960-04-19 | Minerals & Chemicals Corp Of A | Tobacco composition and smoking unit containing material for eliminating deleterious matter |
US2938818A (en) * | 1957-11-19 | 1960-05-31 | Minerals & Chemicals Corp Of A | Tobacco composition and smoking unit containing material for eliminating deleterious matter |
US2967118A (en) * | 1957-09-16 | 1961-01-03 | Minerals & Chem Philipp Corp | Tobacco composition and smokable unit containing material for removing deleterious matter |
US3005732A (en) * | 1957-12-19 | 1961-10-24 | Minerals & Chem Philipp Corp | Tobacco composition and smoking unit containing material for eliminating deleterious matter |
US3010851A (en) * | 1956-06-01 | 1961-11-28 | Molde Paul Vorbeck | Method of and a composition for treating tobacco or tobacco article treated by such method or composition |
US3011921A (en) * | 1957-12-19 | 1961-12-05 | Minerals & Chem Philipp Corp | Tobacco composition and smoking unit containing material for eliminating deleterious matter |
US3050421A (en) * | 1960-02-25 | 1962-08-21 | Minerals & Chem Philipp Corp | Smoking preparation containing laminar alumina and smoking unit containing same |
US3057757A (en) * | 1960-02-12 | 1962-10-09 | Mincrals & Chemicals Philip Co | Smoking compositions and smoking unit containing same |
US3065755A (en) * | 1957-06-07 | 1962-11-27 | Leo R Boyd | Cigarette |
US3076728A (en) * | 1960-02-12 | 1963-02-05 | Minerals & Chem Philipp Corp | Smoking composition containing alumina and smoking unit containing same |
US3106211A (en) * | 1957-11-18 | 1963-10-08 | Reynolds Metals Co | Tobacco product |
US3106210A (en) * | 1957-11-18 | 1963-10-08 | Reynolds Metals Co | Smoking tobacco |
US3145717A (en) * | 1959-10-22 | 1964-08-25 | C H Dexter & Sons Inc | Methods of making tobacco web material |
US3162200A (en) * | 1961-12-11 | 1964-12-22 | Arenco Ab | Tobacco foil and a process for its production |
US3229697A (en) * | 1962-03-06 | 1966-01-18 | Herman V Albrecht | Method of removing carbon-monoxide generated from tobacco |
US3285255A (en) * | 1965-06-07 | 1966-11-15 | Eastman Kodak Co | Polyolefin filter |
US3297039A (en) * | 1959-10-22 | 1967-01-10 | Dexter Corp | Tobacco web material |
US3298378A (en) * | 1964-01-30 | 1967-01-17 | Kimberly Clark Co | Method of making a tobacco product |
US3380458A (en) * | 1966-02-15 | 1968-04-30 | Eastman Kodak Co | Method for producing a cigarette with low tar yield |
US3474792A (en) * | 1966-08-05 | 1969-10-28 | Eastman Kodak Co | Treatment of smoking tobacco with chlorate salts |
US3738374A (en) * | 1970-03-05 | 1973-06-12 | B Lab | Cigar or cigarette having substitute filler |
FR2374857A1 (en) * | 1976-12-23 | 1978-07-21 | Rhodiaceta Ag | ADDITIVE FOR SMOKING TOBACCO PRODUCTS AND THEIR FILTERING ELEMENTS, AS WELL AS ITS MANUFACTURING PROCESS |
US4147172A (en) * | 1974-07-16 | 1979-04-03 | Imperial Chemical Industries Limited | Smoking mixtures |
US4156431A (en) * | 1971-07-08 | 1979-05-29 | Epstein Samuel S | Smoke processing |
US5307821A (en) * | 1990-04-27 | 1994-05-03 | Asahi Glass Company Ltd. | Tobacco raw material and method for its production |
EP1234512A2 (en) * | 2001-02-26 | 2002-08-28 | Meier, Markus W. | Tobacco product carrying catalytically active material, its use in a smokers' article and a process for preparing it |
-
1932
- 1932-03-22 US US600555A patent/US2007407A/en not_active Expired - Lifetime
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2706695A (en) * | 1949-07-19 | 1955-04-19 | Gen Cigar Co | Water-soluble cellulose derivatives in smoking products |
US2832351A (en) * | 1950-06-26 | 1958-04-29 | Verdurin Company | Method of treating tobacco smoke |
US2644422A (en) * | 1950-12-21 | 1953-07-07 | Gen Electric | Frost indicator for refrigerators |
US2755207A (en) * | 1953-12-04 | 1956-07-17 | Gen Cigar Co | Cigarette paper |
US2815028A (en) * | 1954-07-20 | 1957-12-03 | Bernhard Edgar | Cigarette structure |
US3010851A (en) * | 1956-06-01 | 1961-11-28 | Molde Paul Vorbeck | Method of and a composition for treating tobacco or tobacco article treated by such method or composition |
US3065755A (en) * | 1957-06-07 | 1962-11-27 | Leo R Boyd | Cigarette |
US2967118A (en) * | 1957-09-16 | 1961-01-03 | Minerals & Chem Philipp Corp | Tobacco composition and smokable unit containing material for removing deleterious matter |
US3106210A (en) * | 1957-11-18 | 1963-10-08 | Reynolds Metals Co | Smoking tobacco |
US3106211A (en) * | 1957-11-18 | 1963-10-08 | Reynolds Metals Co | Tobacco product |
US2938818A (en) * | 1957-11-19 | 1960-05-31 | Minerals & Chemicals Corp Of A | Tobacco composition and smoking unit containing material for eliminating deleterious matter |
US3005732A (en) * | 1957-12-19 | 1961-10-24 | Minerals & Chem Philipp Corp | Tobacco composition and smoking unit containing material for eliminating deleterious matter |
US3011921A (en) * | 1957-12-19 | 1961-12-05 | Minerals & Chem Philipp Corp | Tobacco composition and smoking unit containing material for eliminating deleterious matter |
US2933420A (en) * | 1957-12-26 | 1960-04-19 | Minerals & Chemicals Corp Of A | Tobacco composition and smoking unit containing material for eliminating deleterious matter |
US3297039A (en) * | 1959-10-22 | 1967-01-10 | Dexter Corp | Tobacco web material |
US3145717A (en) * | 1959-10-22 | 1964-08-25 | C H Dexter & Sons Inc | Methods of making tobacco web material |
US3076728A (en) * | 1960-02-12 | 1963-02-05 | Minerals & Chem Philipp Corp | Smoking composition containing alumina and smoking unit containing same |
US3057757A (en) * | 1960-02-12 | 1962-10-09 | Mincrals & Chemicals Philip Co | Smoking compositions and smoking unit containing same |
US3050421A (en) * | 1960-02-25 | 1962-08-21 | Minerals & Chem Philipp Corp | Smoking preparation containing laminar alumina and smoking unit containing same |
US3162200A (en) * | 1961-12-11 | 1964-12-22 | Arenco Ab | Tobacco foil and a process for its production |
US3229697A (en) * | 1962-03-06 | 1966-01-18 | Herman V Albrecht | Method of removing carbon-monoxide generated from tobacco |
US3298378A (en) * | 1964-01-30 | 1967-01-17 | Kimberly Clark Co | Method of making a tobacco product |
US3285255A (en) * | 1965-06-07 | 1966-11-15 | Eastman Kodak Co | Polyolefin filter |
US3380458A (en) * | 1966-02-15 | 1968-04-30 | Eastman Kodak Co | Method for producing a cigarette with low tar yield |
US3474792A (en) * | 1966-08-05 | 1969-10-28 | Eastman Kodak Co | Treatment of smoking tobacco with chlorate salts |
US3738374A (en) * | 1970-03-05 | 1973-06-12 | B Lab | Cigar or cigarette having substitute filler |
US4156431A (en) * | 1971-07-08 | 1979-05-29 | Epstein Samuel S | Smoke processing |
US4147172A (en) * | 1974-07-16 | 1979-04-03 | Imperial Chemical Industries Limited | Smoking mixtures |
FR2374857A1 (en) * | 1976-12-23 | 1978-07-21 | Rhodiaceta Ag | ADDITIVE FOR SMOKING TOBACCO PRODUCTS AND THEIR FILTERING ELEMENTS, AS WELL AS ITS MANUFACTURING PROCESS |
US4193412A (en) * | 1976-12-23 | 1980-03-18 | Rhodia Ag | Additive for smoking tobacco products, filter elements thereof and process for the preparation thereof |
US5307821A (en) * | 1990-04-27 | 1994-05-03 | Asahi Glass Company Ltd. | Tobacco raw material and method for its production |
EP1234512A2 (en) * | 2001-02-26 | 2002-08-28 | Meier, Markus W. | Tobacco product carrying catalytically active material, its use in a smokers' article and a process for preparing it |
EP1234512A3 (en) * | 2001-02-26 | 2003-08-06 | Meier, Markus W. | Tobacco product carrying catalytically active material, its use in a smokers' article and a process for preparing it |
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