US2535972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylbenzenesulfonate detergents containing guanidine salts of inorganic acids
Assignee: Wyeth Holdings LLC
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Filing: 1949-04-26
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Granted: 1950-12-26
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Expires: 1969-04-26
Abstract
No abstract record available.
Inventors
- 👤 Emil A Vitalis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:29
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/046; C11D1/00; C11D1/02; C11D1/12; C11D1/22; C11D1/38; C11D1/62; C11D3/10; C11D3/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A COMPOSITION CONSISTING ESSENTIALLY OF A DETERGENT MIXTURE OF 98% TO 50% BY WEIGHT OF A MEMBER OF THE GROUP CONSISTING OF SODIUM, POTASSIUM AND AMMONIUM SALTS OF AN ALKYLBENZENESULFONATE CONTAINING A SINGLE LONG ALKYL RADICAL OF 10-16 CARBON ATOMS AND 2% TO 50% OF WATERSOLUBLE GUANIDINE SALT OF AN INORGANIC ACID.
Claim 2
Dependent Claim
52 words
A COMPOSITION CONSISTING ESSENTIALLY OF A DETERGENT MIXTURE OF 98% TO 50% BY WEIGHT OF A MEMBER OF THE GROUP CONSISTING OF SODIUM, POTASSIUM AND AMMONIUM SALTS OF AN ALKYLBENZENESULFONATE CONTAINING A SINGLE LONG ALKYL RADICAL OF 10-16 CARBON ATOMS AND 2% TO 50% OF WATERSOLUBLE GUANIDINE SALT OF AN INORGANIC ACID.
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) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |