US3175977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid eetekgent compositions
Assignee: —
•
Filing: —
•
Granted: 1965-03-30
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Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:09
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/22; C11D3/00; C11D3/16; C11D3/26; C11D3/32; C11D3/323
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A LIQUID DETERGENT CONCENTRATE ADAPTED UPON DILUTION WITH WATER TO GIVE AN AQUEOUS LIQUID DETERGENT SOLUTION HAVING A LOW CLOUD POINT, SAID CONCENTRATE CONSISTING ESSENTIALLY OF, BY WEIGHT, 25 TO 50 PERCENT OF A MIXTURE OF SODIUM AND AMMONIUM SULFONATES OF ALKYLBENZENES HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 215 AND 250, 2 TO 30 PERCENT UREA, AND THE REMAINDER WATER, THE WEIGHT RATIO OF THE SODIUM ALKYLBENZENE SULFONATE TO THE AMMONIUM ALKYLBENZENE SULFONATE RANGING FROM ABOUT 60:40 TO 90:10.
Claim 2
Dependent Claim
79 words
A LIQUID DETERGENT CONCENTRATE ADAPTED UPON DILUTION WITH WATER TO GIVE AN AQUEOUS LIQUID DETERGENT SOLUTION HAVING A LOW CLOUD POINT, SAID CONCENTRATE CONSISTING ESSENTIALLY OF, BY WEIGHT, 25 TO 50 PERCENT OF A MIXTURE OF SODIUM AND AMMONIUM SULFONATES OF ALKYLBENZENES HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 215 AND 250, 2 TO 30 PERCENT UREA, AND THE REMAINDER WATER, THE WEIGHT RATIO OF THE SODIUM ALKYLBENZENE SULFONATE TO THE AMMONIUM ALKYLBENZENE SULFONATE RANGING FROM ABOUT 60:40 TO 90:10.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |