US3764569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent composition
Assignee: Texaco Trinidad Inc
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Filing: 1971-08-05
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Granted: 1973-10-09
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Expires: 1991-08-05
Abstract
Abstract Primary and secondary alkylsulfonates with carbon numbers lower than those which afford optimum detergency are used as hydrotropes in detergent formulations. These alkylsulfonates are linear, and have a carbon content ranging from C7 to C8 inclusive.
Inventors
- 👤 W Ali
- 👤 W Bryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:22
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/143; C11D3/00; C11D3/16; C11D3/34; C11D3/3409
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
35 words
A composition according to claim 1 containing about 5 parts by weight of a C7 primary alkylsulfonate and about 25 parts by weight of a linear alkylsulfonate having a carbon content in the C11-C19 range.
Claim 2
Dependent Claim
35 words
A composition according to claim 1, containing about 5 parts by weight of a C7 secondary alkylsulfonate and about 25 parts by weight of a linear alkylsulfonate having a carbon content in the C11-C19 range.
Claim 3
Dependent Claim
35 words
A composition according to claim 1 containing about 5 parts by weight of a C8 secondary alkylsulfonate and about 25 parts by weight of a linear alkylsulfonate having a carbon content in the C11-C19 range.
Claim 4
Dependent Claim
35 words
A composition according to claim 1 containing about 5 parts by weight of a C8 primary alkylsulfonate and about 25 parts by weight of a linear alkylsulfonate having a carbon content in the C11-C19 range.
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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |