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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
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Expires: 1980-11-29
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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 2026-11-03 16:27
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)

US2475920A Cited
US2422777A Cited
US2934540A Cited
US2941995A Cited

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

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