US1944859A - Dry cleaning composition - Google Patents
Dry cleaning composition Download PDFInfo
- Publication number
- US1944859A US1944859A US564966A US56496631A US1944859A US 1944859 A US1944859 A US 1944859A US 564966 A US564966 A US 564966A US 56496631 A US56496631 A US 56496631A US 1944859 A US1944859 A US 1944859A
- Authority
- US
- United States
- Prior art keywords
- dry cleaning
- composition
- cleaning composition
- ether
- cleaning
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
Definitions
- This invention relates to a novel composition particularly useful for dry cleaning fabric
- One object of this invention is to prepare a hydrocarbon base, detergent of high detergent power. Anotherobject is to prepare a hydrocarbon base dry cleaning composition of low inflammability and therefore not subject to great fire hazard. S;ill another object is to devise a process whereby fabrics, clothing and the like may be thoroughly cleaned and after cleaning are free from the usual disagreeable odors characteristic of materials cleaned by the usual dry cleaning methods. .1
- the composition prepared according to this invention has a high solvent action with respect to dirt and grease which soil various fabrics. It is known that ether has a powerful solvent action but its use in dry cleaning compositions has required very great precautions on the part of the user to avoid igniting it because of its great inflammability. instead of the normal e'her, chlorinated compounds of the same in conjunction with other solvents that the hazard due to the inflammability of ether may be largely overcome, while the solvent action is practically unaffected. It is also useful to employ chlorinaed ether in connection with chlorinated hydrocarbons which will, along with the chlorinated ether, reduce the inflammability of otherwise inflammable mixtures.
- chlorinated hydro- 40 carbons are less inflammable of themselves and in many cases more volatile than the inflammable constituents. They act in a protective way to prevent inflammable concentrations of the otherwise combustible constituent.
- a petroleum hydrocarbon base preferably comprising about 85% of the final product. Suitable hydrocarbon bases are benzine, naphtha, gasoline and the like. However, it is advantageous but not essential to employ as a hydrocarbon one which meets the specifications of Stoddard solvent. The properties of this solvent are described in Commercial Standard C. S. 3-28 published by the Government Printing Ofiice.
- Stoddard solvent has a flash point of about 100 F., but by adding I have found that by employing 5% of dichloroethyl ether, a specific example of a chlorinated ether, the flash point may be raised to 107 F. Larger quantities further increase the flash point thereby decreasing the dangers of accidental combustion.
- Chlorinated hydrocarbons also have a similar effect upon the flash point of Stoddard solvent.
- composition that I have found to be particularly suitable for dry cleaning purposes because of its low inflammability and high solvent action, but it is to be understood that the invention is not limited thereto.
- the method of preparation is to mix in a suitable agitator or by means of circulation the following ingredients in about the proportions named below:
- This composition when employed for dry cleaning purposes by washing fabrics, clothing 85 and the like exercises a high detergent action and the cleaned article after drying is quite free from odor, a very material advantage in a dry cleaner.
- composition is particularly suitable for cleaning fabrics, clothing, etc., it should be understood that it may be used for cleaning other materials, as will be apparent to one skilled in the art.
- a dry cleaning composition comprising the following ingredients: not less than about 85% Stoddard solvent, dichlorethyl ether, tetrachlorethane and carbon tetrachloride about 15%, each of the last two ingredients representing not 110 less than 1% and the dichloroethyl ether from 3 to 5% of the resulting composition.
- composition useful for cleaning fabrics, clothing and the like comprising the following ingredients in approximately the indicated proportions:
Description
Patented Jan. 23, 1934 PATENT OFFICE DRY CLEANING COMPOSITION Sidney Born, Tulsa, Okla.
No Drawing. Application September 24, 1931 Serial No. 564,966
4 Claims.
This invention relates to a novel composition particularly useful for dry cleaning fabric,
clothing and the like, also a method for using this composition.
5 One object of this invention is to prepare a hydrocarbon base, detergent of high detergent power. Anotherobject is to prepare a hydrocarbon base dry cleaning composition of low inflammability and therefore not subject to great fire hazard. S;ill another object is to devise a process whereby fabrics, clothing and the like may be thoroughly cleaned and after cleaning are free from the usual disagreeable odors characteristic of materials cleaned by the usual dry cleaning methods. .1
With these and other objects which will be apparent hereinafter the invention consists in a new and useful composition of matier and its use in dry cleaning all as more fully described in the fOllOWiug specification and pointed out in the appended claims.
The composition prepared according to this invention has a high solvent action with respect to dirt and grease which soil various fabrics. It is known that ether has a powerful solvent action but its use in dry cleaning compositions has required very great precautions on the part of the user to avoid igniting it because of its great inflammability. instead of the normal e'her, chlorinated compounds of the same in conjunction with other solvents that the hazard due to the inflammability of ether may be largely overcome, while the solvent action is practically unaffected. It is also useful to employ chlorinaed ether in connection with chlorinated hydrocarbons which will, along with the chlorinated ether, reduce the inflammability of otherwise inflammable mixtures. This effect is due to the fact that chlorinated hydro- 40 carbons are less inflammable of themselves and in many cases more volatile than the inflammable constituents. They act in a protective way to prevent inflammable concentrations of the otherwise combustible constituent. 45 I employ in my cleaning composition a petroleum hydrocarbon base preferably comprising about 85% of the final product. Suitable hydrocarbon bases are benzine, naphtha, gasoline and the like. However, it is advantageous but not essential to employ as a hydrocarbon one which meets the specifications of Stoddard solvent. The properties of this solvent are described in Commercial Standard C. S. 3-28 published by the Government Printing Ofiice. Stoddard solvent has a flash point of about 100 F., but by adding I have found that by employing 5% of dichloroethyl ether, a specific example of a chlorinated ether, the flash point may be raised to 107 F. Larger quantities further increase the flash point thereby decreasing the dangers of accidental combustion.
Chlorinated hydrocarbons also have a similar effect upon the flash point of Stoddard solvent. The addition of chlorinated hydrocarbons, for ex ample carbon tetrachloride or tetrachlorethane, also raise the flash point of the hydrocarbon base.
The following example illustrates a composition that I have found to be particularly suitable for dry cleaning purposes because of its low inflammability and high solvent action, but it is to be understood that the invention is not limited thereto. The method of preparation is to mix in a suitable agitator or by means of circulation the following ingredients in about the proportions named below:
Percent Tetrachlorethane Dichloroethyl ether 3 to 5 Carbon tetrachloride 6 to 4 Stoddard solvent 90 The proportions given above can be varied 30 within rather wide limits, butit is generally advisable to employ not less than about of a petroleum hydrocarbon.
This composition when employed for dry cleaning purposes by washing fabrics, clothing 85 and the like exercises a high detergent action and the cleaned article after drying is quite free from odor, a very material advantage in a dry cleaner.
The fire hazard from the use of this composition is practically negligible.
While this composition is particularly suitable for cleaning fabrics, clothing, etc., it should be understood that it may be used for cleaning other materials, as will be apparent to one skilled in the art.
While I have described and explained a specific example of my invention it is to be understood that the invention is not td be limited thereto but that chlorinated ethers other than dichloroethyl ether may be substituted for it and that other chlorinated hydrocarbons of the ethane and ethylene series may be employed in place of the specific example, tetrachlorethane.
I claim: p
1. A dry cleaning composition comprising the following ingredients: not less than about 85% Stoddard solvent, dichlorethyl ether, tetrachlorethane and carbon tetrachloride about 15%, each of the last two ingredients representing not 110 less than 1% and the dichloroethyl ether from 3 to 5% of the resulting composition.
2. A composition useful for cleaning fabrics, clothing and the like comprising the following ingredients in approximately the indicated proportions:
Percent 'I'etrachlorethane 1 Dichloroethyl ether 3 to 5 Carbon tetrachloride 4 to 6 Stoddard solvent 90 3. A new composition of matter useful for cleaning fabrics, clothing and the like comprising the following ingredients in approximately the indicated proportions:
Percent Tetrachlorethane -1 1 Dichloroethyl ether 3 to 5 Carbon tetrachloride 4 to 6 Petroleum hydrocarbon 90
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US564966A US1944859A (en) | 1931-09-24 | 1931-09-24 | Dry cleaning composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US564966A US1944859A (en) | 1931-09-24 | 1931-09-24 | Dry cleaning composition |
Publications (1)
Publication Number | Publication Date |
---|---|
US1944859A true US1944859A (en) | 1934-01-23 |
Family
ID=24256645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US564966A Expired - Lifetime US1944859A (en) | 1931-09-24 | 1931-09-24 | Dry cleaning composition |
Country Status (1)
Country | Link |
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US (1) | US1944859A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2541703A (en) * | 1951-02-13 | Liquid composition |
-
1931
- 1931-09-24 US US564966A patent/US1944859A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2541703A (en) * | 1951-02-13 | Liquid composition |
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