Patent US2875154A successfully refreshed from Google Patents.
US2875154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-caking solid particulate detergents
Assignee: California Research LLC
•
Filing: 1952-08-01
•
Granted: 1959-02-24
•
Expires: 1972-08-01
Abstract
No abstract record available.
Inventors
- 👤 Allen H Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:24
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/22; C11D7/00; C11D7/02; C11D7/04; C11D7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A BUILT DETERGENT COMPOSITION IN THE FORM OF SMALL SOLID PARTICLES CONSISTING ESSENTIALLY OF ABOUT 10 TO ABOUT 95 PARTS BY WEIGHT OF A SODIUM SALT OF AN ALKYL ARYL SULFONIC ACID SELECTED FROM THE GROUP OF ALKYL BENZENE SULFONIC AND ALKYL TOLUENE SULFONIC ACIDS CONTAINING FROM 9 TO 18 CARBON ATOMS IN THE ALKYL CHAIN, SODIUM SALT DETERGENT BUILDERS IN AN AMOUNT SUFFICIENT TO BRING THE AGGREGATE WEIGHT OF THE SULFONIC ACID SALT AND THE DETERGENT BUILDERS TO 100 PARTS BY WEIGHT AND SO SELECTED FROM THE GROUP CONSISTING OF SODIUM SULFATE, SODIUM POLYPHOSPHATES, SODIUM SILICATES, SODIUM CHLORIDE, SODIUM CARBONATE AND SODIUM CARBOXYMETHYL CELLULOSE THAT THE PH OF THE BUILT DETERGENT COMPOSITION IS LESS THAN ABOUT 8.3, AND FROM ABOUT 2 TO ABOUT 10% BY WEIGHT, BASED ON THE AGGREGATE WEIGHT OF THE SULFONIC ACID SALT AND THE DETERGENT BUILDERS, OF BORIC ACID UNIFORMLY DISPERSED IN EACH PARTICLE OF THE DETERGENT COMPOSITION.
Claim 2
Dependent Claim
153 words
A BUILT DETERGENT COMPOSITION IN THE FORM OF SMALL SOLID PARTICLES CONSISTING ESSENTIALLY OF ABOUT 10 TO ABOUT 95 PARTS BY WEIGHT OF A SODIUM SALT OF AN ALKYL ARYL SULFONIC ACID SELECTED FROM THE GROUP OF ALKYL BENZENE SULFONIC AND ALKYL TOLUENE SULFONIC ACIDS CONTAINING FROM 9 TO 18 CARBON ATOMS IN THE ALKYL CHAIN, SODIUM SALT DETERGENT BUILDERS IN AN AMOUNT SUFFICIENT TO BRING THE AGGREGATE WEIGHT OF THE SULFONIC ACID SALT AND THE DETERGENT BUILDERS TO 100 PARTS BY WEIGHT AND SO SELECTED FROM THE GROUP CONSISTING OF SODIUM SULFATE, SODIUM POLYPHOSPHATES, SODIUM SILICATES, SODIUM CHLORIDE, SODIUM CARBONATE AND SODIUM CARBOXYMETHYL CELLULOSE THAT THE PH OF THE BUILT DETERGENT COMPOSITION IS LESS THAN ABOUT 8.3, AND FROM ABOUT 2 TO ABOUT 10% BY WEIGHT, BASED ON THE AGGREGATE WEIGHT OF THE SULFONIC ACID SALT AND THE DETERGENT BUILDERS, OF BORIC ACID UNIFORMLY DISPERSED IN EACH PARTICLE OF THE DETERGENT COMPOSITION.
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) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |