US2773833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-caking alkyl aryl sulfonate detergent compositions
Assignee: California Research LLC
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Filing: 1951-09-14
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Granted: 1956-12-11
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Expires: 1971-09-14
Abstract
No abstract record available.
Inventors
- 👤 Allen H Lewis
- 👤 Richard D Stayner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:19
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/22; B; B01; B01J; B01J2/00; B01J2/30; C11D3/00; C11D3/16; C11D3/34; C11D3/3418; C11D3/3409
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A SUBSTANTIALLY NON-CAKING, SOILD, PARTICULATE DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF (A) A DETERGENT MATERIAL CONTAINING IN EACH 100 PARTS THEREOF FROM 10 TO 95 PARTS BY WEIGHT OF A SODIUM SALT OF A MONOALKYL BENZENE SULFONIC ACID HAVING FROM 9 TO 18 CARBON ATOMS IN THE ALKYL CHAIN, THE REMAINDER OF SAID DETERGENT BEING ESSENTIALLY AN INORGANIC SODIUM SALT BUILDER, AND (B) FROM ABOUT 0.5% TO ABOUT 10% BY WEIGHT BASED ON THE ENTIRE COMPOSITION OF A SULFONATE MATERIAL SELECTED FROM THE GROUP CONSISTING OF SODIUM BENZENE MONOSULFONATE AND SODIUM TOLUENE MONOSULFONATE; SAID COMPOSITION BEING IN THE FORM OF SUBSTANTIALLY NON-CAKING, DRY PARTICLES OF SUBSTANTIALLY UNIFORM COMPOSITION OBTAINED BY DRYING AN AQUEOUS DISPERSION CONTAINING SAID COMPONENTS (A) AND (B) OF SAID COMPOSITION.
Claim 2
Dependent Claim
125 words
A SUBSTANTIALLY NON-CAKING, SOILD, PARTICULATE DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF (A) A DETERGENT MATERIAL CONTAINING IN EACH 100 PARTS THEREOF FROM 10 TO 95 PARTS BY WEIGHT OF A SODIUM SALT OF A MONOALKYL BENZENE SULFONIC ACID HAVING FROM 9 TO 18 CARBON ATOMS IN THE ALKYL CHAIN, THE REMAINDER OF SAID DETERGENT BEING ESSENTIALLY AN INORGANIC SODIUM SALT BUILDER, AND (B) FROM ABOUT 0.5% TO ABOUT 10% BY WEIGHT BASED ON THE ENTIRE COMPOSITION OF A SULFONATE MATERIAL SELECTED FROM THE GROUP CONSISTING OF SODIUM BENZENE MONOSULFONATE AND SODIUM TOLUENE MONOSULFONATE; SAID COMPOSITION BEING IN THE FORM OF SUBSTANTIALLY NON-CAKING, DRY PARTICLES OF SUBSTANTIALLY UNIFORM COMPOSITION OBTAINED BY DRYING AN AQUEOUS DISPERSION CONTAINING SAID COMPONENTS (A) AND (B) OF SAID COMPOSITION.
References Cited (Backward Citations)
US2477383A
Cited
US2615847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |