US3574120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Highly alkaline detergent composition containing an enzyme derived from thermophilic streptomyces rectus var. proteolyticus
Assignee: Procter and Gamble Co
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Filing: 1969-08-15
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Granted: 1971-04-06
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Expires: 1989-08-15
Abstract
Abstract HIGHLY ALKALINE ENZYME-CONTAINING DETERGENT COMPOSITION OF MATTER HAVING A PH IN THE RANGE OF 9.5 TO 11 AND CONTAINING AN ORGANIC SYNTHETIC DETERGENT AND AN ALKALINE BUILDER IN A WEIGHT RATIO OF 10:1 TO 1:30, AND FROM .0025% TO 10% BY WEIGHT OF THE COMPOSITION OF A PROTEOLYTIC ENZYME DERIVED FROM THERMOPHILIC STREPTOMYCES RECTUS VAR. PROTEOLYTICUS ATCC 21067. THE DETERGENT COMPOSITION IS USEFUL AS A LAUNDERING COMPOSITION, A SOAKING COMPOSITION AND OTHER CLEANING APPLICATIONS IN WHICH IT IS DESIRED TO HAVE THE BENEFIT OF ENZYMATIC ACTIVITY.
Inventors
- 👤 John M Siebert
- 👤 Robert L Gensler
- 👤 Kiyoshi Mizusawa
- 👤 Eiji Ichishima
- 👤 Fumihiko Yoshida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:18
CPC Classifications
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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |