Patent US1765443A successfully refreshed from Google Patents.
Patent US3838009A successfully refreshed from Google Patents.
US3838009A
Expired / Lapsed
US
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Process for producing detergent resisting alkaline protease
Assignee: KH Neochem Co Ltd
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Filing: 1972-08-16
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Granted: 1974-09-24
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Expires: 1992-08-16
Abstract
Abstract THE PROCESS FOR PRODUCING ALKALINE PROTEASE WHICH COMPRISES CULTURING IN A SUITABLE MEDIUM A STRAIN OF BACILLUS SUBTILIS, WHICH STRAIN HAS THE ABILITY TO GROW IN A NUTRIENT MEDIUM IN THE PRESENCE OF SODIUM LAURYL SULFATE, THE PRESENCE OF SODIUM LAURYL SULFATE IS NOT REQUIRED IN THE FERMENTATION MEDIUM, HOWEVER.
Inventors
- 👤 D Tsuru
- 👤 J Fukumoto
- 👤 T Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:06
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; Y10S435/839
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) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |