US3872021A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning composition
Assignee: Individual
•
Filing: 1972-11-13
•
Granted: 1975-03-18
•
Expires: 1992-11-13
Abstract
Abstract A dry cleaning pre-spotter composition including soap, anionic and nonionic detergents, and organic dry cleaning solvents.
Inventors
- 👤 Audrey M Mcknight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:32
CPC Classifications
D; D06; D06L; D06L1/00; D06L1/02; D06L1/04
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
76 words
A DRY CLEANING AGENT FOR TEXTILES AND THE LIKE COMPRISING ABOUT 4 TO 15 WEIGHT PERCENT OF A HIGH MOLECULE WEIGHT FATTY ACID SOAP, ABOUT 5 TO 20 WEIGHT PERCENT OF ANIONIC ALKYL BENZENE SULFONATE WHEREIN THE ALKYL GROUP CONTAINS FROM ABOUT 10 TO 15 CARBON ATOMS, ABOUT 5 TO 20 WEIGHT PERCENT AMYL ACETATE, ABOUT 1 TO 10 WEIGHT PERCENT OF A NONIONIC DETERGENT, AND FROM ABOUT 35 TO 80 WEIGHT PERCENT DRY CLEANING SOLVENT.
Claim 2
Dependent Claim
76 words
A DRY CLEANING AGENT FOR TEXTILES AND THE LIKE COMPRISING ABOUT 4 TO 15 WEIGHT PERCENT OF A HIGH MOLECULE WEIGHT FATTY ACID SOAP, ABOUT 5 TO 20 WEIGHT PERCENT OF ANIONIC ALKYL BENZENE SULFONATE WHEREIN THE ALKYL GROUP CONTAINS FROM ABOUT 10 TO 15 CARBON ATOMS, ABOUT 5 TO 20 WEIGHT PERCENT AMYL ACETATE, ABOUT 1 TO 10 WEIGHT PERCENT OF A NONIONIC DETERGENT, AND FROM ABOUT 35 TO 80 WEIGHT PERCENT DRY CLEANING SOLVENT.
Claim 3
Dependent Claim
18 words
The dry cleaning agent of claim 1 wherein the high molecular weight fatty acid soap is sodium stearate.
Claim 4
Dependent Claim
17 words
The dry cleaning agent of claim 1 wherein the anionic alkyl benzene sulfonate is ammonium dodecylbenzene sulfonate.
Claim 5
Dependent Claim
25 words
The dry cleaning agent of claim 1 wherein the nonionic detergent comprises 2,3-bis(alkoxy)-1-proponal wherein the alkoxy group contains from about 10 to 15 carbon atoms.
Claim 6
Dependent Claim
22 words
A dry cleaning agent for textiles and the like comprising a formulation having the ingredients and approximate weight percentage concentrations as follows:
Claim 7
Dependent Claim
22 words
A dry cleaning agent for textiles and the like comprising a formulation having the ingredients and approximate weight percentage concentrations as follows:
References Cited (Backward Citations)
US3272754A
Cited
US3222286A
Cited
US3689211A
Cited
US3630935A
Cited
US3642644A
Cited
US3655572A
Cited
US3776693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |