Patent US3630930A successfully refreshed from Google Patents.
US3630930A
Expired / Lapsed
US
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Enzyme-containing granular detergent composition
Assignee: Procter and Gamble Co
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Filing: 1969-03-19
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Granted: 1971-12-28
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Expires: 1989-03-19
Abstract
Abstract ALKALINE, GRANULAR DETERGENT COMPOSITION CONTAINING FROM ABOUT 0.5% TO ABOUT 20% OF ENZYME CARRIER GRANULES, SAID ENZYME CARRIER GRANULES COMPRISING PHOSPHATE BUILDER SALTS, AN ACID COMPONENT SELECTED FROM THE GROUP CONSISTING OF DIHYDROGEN DISODIUM PYROPHOSPHATE, SODIUM BICARBONATE, SODIUM BISULFATE AND MIXTURES THEREOF, AND ALKALINE PROTEASES OR MIXTURES OF ALKALINE PROTEASES A-AMYLASES.
Inventors
- 👤 Jerry Edison Davis
- 👤 Howard John Wick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:19
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38672
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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |