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Patent US2956025A successfully refreshed from Google Patents.
US2956025A
Expired / Lapsed
US
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Sulfonate detergent compositions with improved foam characteristics
Assignee: California Research LLC
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Filing: 1955-03-22
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Granted: 1960-10-11
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Expires: 1975-03-22
Abstract
No abstract record available.
Inventors
- 👤 Henry Y Lew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:52
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0094; C11D1/00; C11D1/02; C11D1/12; C11D1/22; C11D3/16; C11D3/20; C11D3/2003; C11D3/2041; C11D3/2044; C11D3/2006; C11D3/201; C11D3/2013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A DETERGENT COMPOSITION CONSISTING ESSENTIALLY, BY WEIGHT, OF 10 TO 40% OF ACTIVE ORGANIC DETERGENT MATERIAL AND 60 TO 90% OF WATER-SOLUBLE INORGANIC SALT DETERGENT BUILDERS, SAID ORGANIC DETERGENT MATERIAL CONSISTING ESSENTIALLY, BY WEIGHT, OF ABOUT 5 TO 50% NORMAL PRIMARY C10-C18 MONOALKYLBENZENE SULFONATE, 35 TO 90% BRANCHED-CHAIN C9-C18 MONOALKYL BENZENE SULFONATE DETERGENT, AND 2 TO 15% OF A NORMAL ALCOHOL SELECTED FROM THE GROUP CONSISTING OF C14-C16 SATURATED PRIMARY MONOHYDRIC ALCOHOLS AND C14-C22 1,2-GLYCOLS.
Claim 2
Dependent Claim
75 words
A DETERGENT COMPOSITION CONSISTING ESSENTIALLY, BY WEIGHT, OF 10 TO 40% OF ACTIVE ORGANIC DETERGENT MATERIAL AND 60 TO 90% OF WATER-SOLUBLE INORGANIC SALT DETERGENT BUILDERS, SAID ORGANIC DETERGENT MATERIAL CONSISTING ESSENTIALLY, BY WEIGHT, OF ABOUT 5 TO 50% NORMAL PRIMARY C10-C18 MONOALKYLBENZENE SULFONATE, 35 TO 90% BRANCHED-CHAIN C9-C18 MONOALKYL BENZENE SULFONATE DETERGENT, AND 2 TO 15% OF A NORMAL ALCOHOL SELECTED FROM THE GROUP CONSISTING OF C14-C16 SATURATED PRIMARY MONOHYDRIC ALCOHOLS AND C14-C22 1,2-GLYCOLS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |