US3079306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of 6-acylaminopenicillanic acids
Assignee: Bayer AG
•
Filing: 1960-11-29
•
Granted: 1963-02-26
•
Expires: 1980-11-29
Abstract
No abstract record available.
Inventors
- 👤 Offe Hans Albert
- 👤 Kaufmann Wilfried
- 👤 Bauer Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:39
CPC Classifications
C; C12; C12P; C12P37/00; C12P37/04; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/848; Y10S435/849
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
PROCESS FOR THE PRODUCTION OF ALPHA-METHYPHENOXYACETYL-6-AMINOPENICILLANIC ACID THAT COMPRISES REACTING 6-AMINOPENICILLANIC ACID WITH ALPHA-PHENYOXYPROPIONYLTHIOGLYCOLIC ACID IN THE PRESENCE OF A CULTURE OF ESCHERICHIA COLI.
Claim 2
Dependent Claim
24 words
PROCESS FOR THE PRODUCTION OF ALPHA-METHYPHENOXYACETYL-6-AMINOPENICILLANIC ACID THAT COMPRISES REACTING 6-AMINOPENICILLANIC ACID WITH ALPHA-PHENYOXYPROPIONYLTHIOGLYCOLIC ACID IN THE PRESENCE OF A CULTURE OF ESCHERICHIA COLI.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |