US3579454A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent compositions containing an oxidizing bleach and proteolytic 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: 1971-05-18
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Expires: 1989-08-15
Abstract
Abstract DETERGENT COMPOSITION CONTAINING AN ORGANIC SYNTHETIC DETERGENT AND AN ALKALINE BUILDER IN A WEIGHT RATIO OF ABOUT 1:30 TO ABOUT 5:1, AN OXIDIZING BLEACH AND A PROTEOLYTIC ENZYME DERIVED FROM THERMOPHILIC STREPTOMYCES RECTUS VAR. PROTEOLYTICUS ATCC 21067. THESE COMPOSITIONS ARE USEFUL IN ANY APPLICATION WHERE THE COMBINED EFFECT OF AN OXIDIZING BLEACH AND PROTEOLYTIC ENZYME ACTIVITY ARE DESIRED, SUCH AS LAUNDERING AND SOAKING COMPOSITIONS.
Inventors
- 👤 Everett J Collier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:06
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/16; C11D3/38; C11D3/386
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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |