US3558498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Granular detergent composition containing enzymes and environmental control components
Assignee: Procter and Gamble Co
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Filing: 1967-11-29
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Granted: 1971-01-26
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Expires: 1987-11-29
Abstract
Abstract GRANULAR DETERGENT COMPOSITION CONTAINING ENZYMES AND ENVIRONMENTAL CONTROL COMPONENTS WHEREIN THE ENVIRONMENTAL CONTROL COMPONENTS ARE SELECTED FROM THE GROUP CONSISTING OF SODIUM PERBORATE TRIHYDRATE, ANHYDROUS TRISODIUM PHOSPHATE, ANHYDROUS CALCIUM SULFATE AND MIXING THEREOF; AND SOLUBLE OR DISPERSIBLE PROTEINS HAVING A MOLECULAR WEIGHT OF BETWEEN ABOUT 5,000 AND 1,000,000 IN AN EFFECTIVE AMOUNT TO STABILIZE THE ENZYMES IN THE GRANULAR DETERGENT COMPOSITION IN COMBINATION WITH A COMPONENT SELECTED FROM THE GROUP CONSISTING OF SODIUM PERBORATE TRIHYDRATE, ANHYDROUS TRISODIUM PHOSPHATE, ANHYDROUS CALCIUM SULFATE AND MIXTURES THEREOF.
Inventors
- 👤 Jean-Pierre D B Eymery
- 👤 Harold H Beyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:58
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515; H02M7/5152; H02M7/5155; C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38609
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |