US3748233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkaline protease, method for its production,and detergent composition
Assignee: Lever Brothers Co
•
Filing: 1969-09-08
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Granted: 1973-07-24
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Expires: 1989-09-08
Abstract
Abstract ALKALINE PROTEASE IS OBTAINED BY PROPAGATING THE OR02GANISM BACILLUS LICHENIFORMIS A.T.C.C. NO. 21424 IN NUTRIENT MEDIA AND THEREAFTER RECOVERING THE ENZYME FROM THE MEDIA.
Inventors
- 👤 J Viccaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:40
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/48; C12N9/50; C12N9/52; C12N9/54; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; Y; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/816; Y10S435/8215; Y10S435/822; Y10S435/832; Y10S435/836; Y10S435/839
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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |