Patent EP0046409A1 successfully refreshed from Google Patents.
US3600318A
Expired / Lapsed
US
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Enzyme-containing detergent compositions for neutral washing
Assignee: Procter and Gamble Co
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Filing: 1969-06-02
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Granted: 1971-08-17
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Expires: 1989-06-02
Abstract
Abstract ENZYME-CONTAINING DETERGENT COMPOSITIONS ADAPTED FOR USE UNDER NEUTRAL AND NEAR-NEUTRAL CONDITIONS OF PH ARE DISCLOSED. THE DETERGENT COMPOSITIONS CONSIST ESSENTIALLY OF A SYNTHETIC ORGANIC DETERGENT CHARACTERIZED BY SOLUBILITY IN WATER OF AT LEAST 0.05% AT ABOUT 80*F. TO ABOUT 130* F., EFFICIENT SOIL-REMOVING AND SOIL-DISPERSING PROPERTIES IN WATER IN AN AMOUNT OF ABOUT 0.05%, RESISTANCE TO PRECIPITATION BY HARD WATER MINERAL IONS; 0.001% TO 10% OF A PROTEOLYTIC ENZYME CHARACTERIZED BY PROTEOLYTIC ACTIVITY UP TO ABOUT 130*F. IN THE PH RANGE OF FROM 6 TO 8.5; AND A PROTEOLYTIC ENZYME-STABLIZING NEUTRAL INORGANIC ELECTROLYTE SALT.
Inventors
- 👤 Roy C Mast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:01
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) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |