Patent US2945815A successfully refreshed from Google Patents.
US2945815A
Expired / Lapsed
US
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Abrasive detergent compositions
Assignee: Colgate Palmolive Co
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Filing: 1957-01-02
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Granted: 1960-07-19
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Expires: 1977-01-02
Abstract
No abstract record available.
Inventors
- 👤 Diaz Ramon Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:18
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN ABRASIVE DETERGENT COMPOSITION WHICH IS SUBSTANTIALLY NON-SCRATCHING TO PROCELAIN AND IS OF EXCELLENT CLEANING POWER, WHICH CONSISTS ESSENTIALLY OF A MAJOR PROPORTION OF SILICA, THE PARTICLES SIZES OF WHICH ARE DISTRIBUTED THROUGHOUT THE RANGE FROM ABOUT 6 MICRONS TO THE MAXIMUM SIZE WHICH WILL PASS A 140 MESH SIEVE, THE WEIGHT DISTRIBUTION OF THE SILICA PARTICLES BEING THAT OBTAINED BY SIZE-REDUCING SAND SO THAT A MAJOR PROPORTION OF THE SAND SUBJECTED TO SIZE REDUCTION WILL PASS A 200 MESH SIEVE AND THEN REMOVING PARTICLES OUTSIDE THE 6 MICRON TO 140 MESH SIEVE RANGE, AND MINOR PROPORTION, UP TO ABOUT 20%, OF A WATER SOLUBLE SYNTHETIC ORGANIC DETERGENT.
Claim 2
Dependent Claim
108 words
AN ABRASIVE DETERGENT COMPOSITION WHICH IS SUBSTANTIALLY NON-SCRATCHING TO PROCELAIN AND IS OF EXCELLENT CLEANING POWER, WHICH CONSISTS ESSENTIALLY OF A MAJOR PROPORTION OF SILICA, THE PARTICLES SIZES OF WHICH ARE DISTRIBUTED THROUGHOUT THE RANGE FROM ABOUT 6 MICRONS TO THE MAXIMUM SIZE WHICH WILL PASS A 140 MESH SIEVE, THE WEIGHT DISTRIBUTION OF THE SILICA PARTICLES BEING THAT OBTAINED BY SIZE-REDUCING SAND SO THAT A MAJOR PROPORTION OF THE SAND SUBJECTED TO SIZE REDUCTION WILL PASS A 200 MESH SIEVE AND THEN REMOVING PARTICLES OUTSIDE THE 6 MICRON TO 140 MESH SIEVE RANGE, AND MINOR PROPORTION, UP TO ABOUT 20%, OF A WATER SOLUBLE SYNTHETIC ORGANIC DETERGENT.
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) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |