US2025072A - Process for impregnating textile fabrics - Google Patents
Process for impregnating textile fabrics Download PDFInfo
- Publication number
- US2025072A US2025072A US661353A US66135333A US2025072A US 2025072 A US2025072 A US 2025072A US 661353 A US661353 A US 661353A US 66135333 A US66135333 A US 66135333A US 2025072 A US2025072 A US 2025072A
- Authority
- US
- United States
- Prior art keywords
- salt
- metal
- solvent
- hydrolysis
- fabric
- 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
Links
- 239000004744 fabric Substances 0.000 title description 30
- 238000000034 method Methods 0.000 title description 25
- 239000004753 textile Substances 0.000 title description 16
- 235000002639 sodium chloride Nutrition 0.000 description 39
- 150000003839 salts Chemical class 0.000 description 38
- 229910052751 metal Inorganic materials 0.000 description 29
- 239000002184 metal Substances 0.000 description 29
- 239000002904 solvent Substances 0.000 description 23
- 230000007062 hydrolysis Effects 0.000 description 20
- 238000006460 hydrolysis reaction Methods 0.000 description 20
- 239000000463 material Substances 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 13
- 239000000243 solution Substances 0.000 description 11
- 238000001704 evaporation Methods 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 239000003112 inhibitor Substances 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- 239000003960 organic solvent Substances 0.000 description 7
- 239000003125 aqueous solvent Substances 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 3
- FAPDDOBMIUGHIN-UHFFFAOYSA-K antimony trichloride Chemical compound Cl[Sb](Cl)Cl FAPDDOBMIUGHIN-UHFFFAOYSA-K 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 3
- 229910000397 disodium phosphate Inorganic materials 0.000 description 3
- 235000019800 disodium phosphate Nutrition 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000001488 sodium phosphate Substances 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000012164 animal wax Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- -1 chlorides of tin Chemical class 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 235000011167 hydrochloric acid Nutrition 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000012178 vegetable wax Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/06—Processes in which the treating agent is dispersed in a gas, e.g. aerosols
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/22—Halides of elements of Groups 5 or 15 of the Periodic Table
Definitions
- my invention relates to processes for weighting and mordanting of textiles, including silk and cotton, by impregnating with metallic salts, such as chlorides of tin, an-
- the solvent used has invariably been water, and hydrolysis has been the means depended upon for fixing the metal. Hydrolysis converts the salt into the oxide, the original acid radical reappearing as free acid, which must be neutralized and removed by washing. A further treatment with disodium phosphate and sodium silicate serves to convert the metal into so complex insoluble salts that have been found to impart desirable characteristics to textile fabrics.
- Tin chloride is a relatively expensive material.
- Other cheaper chlorides are available, such as antimony chloride, but this salt hydrolizes so readily that the inhibitor must be in greater concentration and the possible injury to the fabric may be proportionately increased.
- I substitute for water a non-aqueous or organic solvent, prefer ably volatile.
- solvents have greater penetrating power, especially when there is a water repellent animal or vegetable wax or oil present in the fibre, as is usually the case. They do not injure the fabric; neither do they react with the 5 salt to cause hydrolysis. Consequently, no inhibitor is necessary and the injury to the fabric from acid inhibitors is avoided. Moreover, since there is no inhibitor to be washed out, the waste of metallic salt in this step is eliminated.
- it is only necessary, after impregnation, to evaporate ofi the solvent and expose the fabric to the action of water, which may be vapor or steam. This of course carries nothing out of the fabric. The acid formed by 5 the hydrolysis may then be washed out in the usual way, the metal at this stage having been converted into an insoluble compound.
- the fabric may be soaked in an alkaline solution and 20 dried, but I prefer to use an alkaline vapor, thus neutralizing the acid as formed.
- an alkaline solution such as a solution of ammonia or amines may be used;
- ammonium chloride formed is easily removed by washing. This process may be repeated until the desired weighting'eflect has'been attained. The treatment with disodium phosphate and sodium silicate may then be proceeded with if desired.
- My process therefore permits the use of the relatively cheap antimony chloride (which costs less than half as much as tin chloride) without any waste in the hydrolysis step or exposure of the 35 fabric to acid either before or during hydrolysis, and thus results in a stronger, better and cheaper product.
- the organic solvent used in carrying out my rocess may be any of the well known organic 40 solvents, such as acetone, methanol, carbon tetrachloride or a hydrocarbon, such as benzol, toluol or gasoline.
- Chlorinated hydrocarbons are for some purposes advantageous over non-chlorinat- 45 ed hydrocarbons. In general, chlorination of hydrocarbons reduces fire hazard and toxicity; moreover, the solvent properties may be distinctly improved for specific purposes, such as for certain waxes.
- Examples of chlorinated hydrocarbons 50 having superior solvent properties are monochlor benzol, trichlor ethylene, ethylene dichloride, etc.
- Carbon tetrachloride is also an example of a chlorinated hydrocarbon. It is to be understoodthat chlorinated hydrocarbons are considered as 55 hydrocarbons within the meaning of this specification and the subjoined claims.
- the process of weighting silk which comprises immerslng the fabric in a substantially water-free solvent carrying in solution a salt of a relatively heavy metal and converting the salt by hydrolysis to a non-water-soluble compound of the metal.
- the process of weighting silk which comprises immersing the silk in an o c solvent carrying in solution a salt of the ad-tin-antimony group of metals, evaporating off the sol- 3 vent and converting the salt by hydrolysis to a non-water-soluble compound of the metal.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Description
Patented Dec. 24, 1935 UNITED STATES PATENT OFFICE FABR Sidney G. Osborne, New York, N. Y., assignor to Hooker Electrochemical Company, New York, N. Y., a corporation of New York No Drawing. Application March 17, 1933, Serial No. 661,353
17 Claims.
More particularly, my invention relates to processes for weighting and mordanting of textiles, including silk and cotton, by impregnating with metallic salts, such as chlorides of tin, an-
timony, etc., and has for its object to render the cheaper salts more available than hitherto, to reduce the waste of these salts and to improve the quality of the product.
, Although a great number of processes for impregnating fabrics have been proposed, all of them depend upon treating the fabric with a solvent carrying in solution a metallic salt, fixing the metal by converting it to an insoluble compound and washing out the by-products. A considerable variety of metals, such as tin, lead, antimony, aluminum, barium, zirconium, etc., have been experimented with. Likewise, a number of different salts, such as the sulphate, chloride, formate, lactate, tartrate, oxalate, etc., have been tried or proposed. However, ninety per cent of all silk weighting is carried out today by the use of-tin tetrachloride. The solvent used has invariably been water, and hydrolysis has been the means depended upon for fixing the metal. Hydrolysis converts the salt into the oxide, the original acid radical reappearing as free acid, which must be neutralized and removed by washing. A further treatment with disodium phosphate and sodium silicate serves to convert the metal into so complex insoluble salts that have been found to impart desirable characteristics to textile fabrics.
Since the process above described depends upon hydrolysis, it will be obvious that an inhibitor of hydrolysis must be employed when making up the water solution. For this purpose it is common practice to acidify with the acid of the salt used. Thus if the salt is a chloride, it is usual to acidify with muriatic acid. Common salt is also sometimes added. These materials may have a deleterious effect upon the fabric. Before hydrolysis can take place, the inhibitor must be removed. This is commonly accomplished by washing; but it is obviously impossible to Wash out the inhibitor without at the same time carrying away some of the metallic salt. In practice, it is quite common to lose thirty per cent of the metal in this way.
Tin chloride is a relatively expensive material. Other cheaper chlorides are available, such as antimony chloride, but this salt hydrolizes so readily that the inhibitor must be in greater concentration and the possible injury to the fabric may be proportionately increased.
To obviate these difficulties, I substitute for water a non-aqueous or organic solvent, prefer ably volatile. Such solvents have greater penetrating power, especially when there is a water repellent animal or vegetable wax or oil present in the fibre, as is usually the case. They do not injure the fabric; neither do they react with the 5 salt to cause hydrolysis. Consequently, no inhibitor is necessary and the injury to the fabric from acid inhibitors is avoided. Moreover, since there is no inhibitor to be washed out, the waste of metallic salt in this step is eliminated. In 10 my preferred process, it is only necessary, after impregnation, to evaporate ofi the solvent and expose the fabric to the action of water, which may be vapor or steam. This of course carries nothing out of the fabric. The acid formed by 5 the hydrolysis may then be washed out in the usual way, the metal at this stage having been converted into an insoluble compound. Before impregnating-in accordance with my process, the
fabric may be soaked in an alkaline solution and 20 dried, but I prefer to use an alkaline vapor, thus neutralizing the acid as formed. For this purpose, the vapor from an alkaline solution, such as a solution of ammonia or amines may be used;
or gaseous ammonia may be mingled with the 25 water vapor. In the latter case, the ammonium chloride formed is easily removed by washing. This process may be repeated until the desired weighting'eflect has'been attained. The treatment with disodium phosphate and sodium silicate may then be proceeded with if desired.
My process therefore permits the use of the relatively cheap antimony chloride (which costs less than half as much as tin chloride) without any waste in the hydrolysis step or exposure of the 35 fabric to acid either before or during hydrolysis, and thus results in a stronger, better and cheaper product.
The organic solvent used in carrying out my rocess may be any of the well known organic 40 solvents, such as acetone, methanol, carbon tetrachloride or a hydrocarbon, such as benzol, toluol or gasoline. Chlorinated hydrocarbons are for some purposes advantageous over non-chlorinat- 45 ed hydrocarbons. In general, chlorination of hydrocarbons reduces fire hazard and toxicity; moreover, the solvent properties may be distinctly improved for specific purposes, such as for certain waxes. Examples of chlorinated hydrocarbons 50 having superior solvent properties are monochlor benzol, trichlor ethylene, ethylene dichloride, etc. Carbon tetrachloride is also an example of a chlorinated hydrocarbon. It is to be understoodthat chlorinated hydrocarbons are considered as 55 hydrocarbons within the meaning of this specification and the subjoined claims.
It will be obvious that my process is equally applicable to weighting of silk and mordanting of cotton, the advantages being substantially the same in either case.
The essence of my invention resides in the avoidance of a solvent that reacts with the salt to cause hydrolysis. Any non-aqueous solvent fulfills this condition. I do not wish to be limited, therefore, to one metal or to any particular metal, salt or solvent, so long as the solvent fulfills the condition just enunciated. For example, a solvent that, of itself, reacted with the salt or salts but only under easily controllable conditions, such as exposure to the air, would likewise fall within the scope of my invention.
Neither do I wish to be limited to hydrolysis as the means of fixing the metal in the fabric, since any method of causing conversion to the oxide or any other insoluble compound will produce the desired result. For example, when ther'e is no inhibitor present, exposure to heat, air or a non-aqueous alkali may accomplish the pur-v hydrolysis to a non-water-soluble compound of the metal.
2. The process of impregnating textile fabrics which comprises immersing the fabric in an organic solvent inert with respect to said fabric and carrying in solution a metallic salt, evaporating on the solvent, exposing the salt to a hydrolizing condition and washing the fabric.
3. The process of impregnating textile fabrics which comprises immersing the fabric in an organic solvent inert with respect to said fabric and carrying in solution a metallic salt, evaporating ofi the solvent, exposing the fabric to the action of water vapor, whereby the salt is hydrolized to an oxide of the metal, and washing the fabric.
4. The process of impregnating textile fabrics as defined in claim 3 in which the vapor is derived from an alkaline aqueous solution.
5. The process of impregnating textile fabrics as defined in claim 3 in which the vapor is rendered alkaline by means of ammonia.
- 6. The processof impregnating textile fabrics as defined, in claim 1 in which the solvent is a hydrocarbon.
7. The process of impregnating textile fabrics which comprises immersing the fabric in an organic solvent carrying in solution a salt of the lead-tin-antimony group of metals, evaporating 01f the solvent and converting the salt by hydrolysis to a non-water-soluble compound of the metal.
8. The process of weighting silk which comprises immersingthe silk in an organic solvent carrying in solution antimony chloride, evaporating off the solvent and exposing the silk to the action of water vapor and ammonia and washing 5 the silk.
9. The process of weighting silk which comprises immerslng the fabric in a substantially water-free solvent carrying in solution a salt of a relatively heavy metal and converting the salt by hydrolysis to a non-water-soluble compound of the metal. 1
'10. The process of impregnating textile fabrics as defined in claim 1 followed by immersion in a bath of disodium phosphate, washing and-immersing in a bath of sodium silicate.
11. The process of weighting silk which comprises immersing the silk in an o c solvent carrying in solution a salt of the ad-tin-antimony group of metals, evaporating off the sol- 3 vent and converting the salt by hydrolysis to a non-water-soluble compound of the metal.
12. The process of weighting textile fabrics which comprises penetrating the fibers thereof with an organic solvent carrying in solution a as salt of a relatively heavy metal and fixing the metal in the fibers by converting the salt by hydrolysis to an insoluble compound of the metal.
13'. The process of treating textile materials to 0 increase the weight thereof which comprisesimmersing the material in a non-aqueous solvent carrying in solution a salt of a metal, evaporating off the solvent, and fixing the metal in the material by hydrolysis and reaction with compounds 5 forming water-insoluble compounds with said metal. l
"14. The process of treating textile materials which comprises immersing the material in a bath consisting of a salt of a metal dissolved in 40 non-aqueous solvent, evaporating off the solvent, and fixing the metal in the material by hydrolysis and reaction with salts forming water-insoluble compounds with said metal.
15. The process of treating textile materials which comprises impregnating the material with a salt of a metal in a non-aqueous solvent, evaporating of! the solvent and converting the salt to a non-water-soluble compound of the metal by hydrolysis in the presence of basic material.
16. The process of treating textile materials which comprises impregnating with a salt of a metal in a non-aqueous solvent, evaporating off the solvent and. converting the salt to a nonwater-soluble compound of the metal by hydrolysis in presence of an alkali.
17. The process of treating textile materials which comprises impregnating the material with a salt of a metal in a non-aqueous solvent, evaporating off the solvent, and converting the salt
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US661353A US2025072A (en) | 1933-03-17 | 1933-03-17 | Process for impregnating textile fabrics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US661353A US2025072A (en) | 1933-03-17 | 1933-03-17 | Process for impregnating textile fabrics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2025072A true US2025072A (en) | 1935-12-24 |
Family
ID=24653236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US661353A Expired - Lifetime US2025072A (en) | 1933-03-17 | 1933-03-17 | Process for impregnating textile fabrics |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US2025072A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3082053A (en) * | 1959-01-21 | 1963-03-19 | Ici Ltd | Treatment of polyesters with covalent compounds to improve dyeability |
| US3099515A (en) * | 1959-07-08 | 1963-07-30 | Ici Ltd | Silicon chloride treated polyolefin article and its production |
-
1933
- 1933-03-17 US US661353A patent/US2025072A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3082053A (en) * | 1959-01-21 | 1963-03-19 | Ici Ltd | Treatment of polyesters with covalent compounds to improve dyeability |
| US3099515A (en) * | 1959-07-08 | 1963-07-30 | Ici Ltd | Silicon chloride treated polyolefin article and its production |
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