US3056729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing l-lysine by fermentation of the corresponding dllactam
Assignee: Pfizer Inc
•
Filing: 1961-11-29
•
Granted: 1962-10-02
•
Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Seto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:53
CPC Classifications
C; C12; C12P; C12P13/00; C12P13/04; C12P13/08; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A PROCESS FOR PREPARING L-LYSINE WHICH COMPRISES CONTACTING DL-A-AMINO-E-CAPROLACTAM WITH THE HYDROLYZING ACTIVITY OF THE MICROORGANISM ASPERGILLUS USTUS ATCC 14417.
Claim 2
Dependent Claim
20 words
A PROCESS FOR PREPARING L-LYSINE WHICH COMPRISES CONTACTING DL-A-AMINO-E-CAPROLACTAM WITH THE HYDROLYZING ACTIVITY OF THE MICROORGANISM ASPERGILLUS USTUS ATCC 14417.
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) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |