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US3872021A Expired / Lapsed US ⏱️ 0.0 years remaining

Cleaning composition

Assignee: Individual
•
Filing: 1972-11-13
•
Granted: 1975-03-18
•
Expires: 1992-11-13
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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 2026-11-03 15:03
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

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