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US2885326A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of cycloheximide

Assignee: Pharmacia and Upjohn Co
•
Filing: 1956-01-26
•
Granted: 1959-05-05
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Expires: 1976-01-26
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Abstract

No abstract record available.

Inventors

  • 👤 Bruce W Churchill

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 01:27
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/80; C07D211/84; C07D211/86; C07D211/88; Y; Y10; Y10S; Y10S435/00; Y10S435/803; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/897

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 96 words
IN A PROCESS FOR THE PRODUCTION OF CYCLOHEXIMIDE BY THE CULTURING OF A CYCLOHEXIMIDE-PRODUCING STRAIN OF STREPTOMYCES GRISEUS, THE IMPROVEMENT WHICH COMPRISES CULTURING THE CYCLOHEXIMIDE-PRODUCING STREPTOMYCES GRISEUS MEDIUM CONTAINING SOYBEAN MEAL, GLUCOSE, AND POTASSIUM DIHYDROGEN PHOSPHATE IN THE PROPORTIONS OF AT LEAST FOURTEEN FRAMS OF SOYBEAN MEAL PER LITER, 0.15 TO 0.25 GRAMS OF POTASSIUM DIHYDROGEN PHOSPHATE PER LITER, AND ABOUT FOUR PARTS OF GLUCOSE FOR EACH PART OF SOYBEAN MEAL, SAID CULTURING BEING EFFECTED AT A TEMPERATURE BETWEEN 22 AND 26 DEGREES CENTIGRADE WHEREBY PRODUCTION OF STREPTOMYCIN IS INHIBITED AND PRODUCTION OF CYCLOHEXIMIDE IS FAVORED.
Claim 2
Dependent Claim 96 words
IN A PROCESS FOR THE PRODUCTION OF CYCLOHEXIMIDE BY THE CULTURING OF A CYCLOHEXIMIDE-PRODUCING STRAIN OF STREPTOMYCES GRISEUS, THE IMPROVEMENT WHICH COMPRISES CULTURING THE CYCLOHEXIMIDE-PRODUCING STREPTOMYCES GRISEUS MEDIUM CONTAINING SOYBEAN MEAL, GLUCOSE, AND POTASSIUM DIHYDROGEN PHOSPHATE IN THE PROPORTIONS OF AT LEAST FOURTEEN FRAMS OF SOYBEAN MEAL PER LITER, 0.15 TO 0.25 GRAMS OF POTASSIUM DIHYDROGEN PHOSPHATE PER LITER, AND ABOUT FOUR PARTS OF GLUCOSE FOR EACH PART OF SOYBEAN MEAL, SAID CULTURING BEING EFFECTED AT A TEMPERATURE BETWEEN 22 AND 26 DEGREES CENTIGRADE WHEREBY PRODUCTION OF STREPTOMYCIN IS INHIBITED AND PRODUCTION OF CYCLOHEXIMIDE IS FAVORED.

References Cited (Backward Citations)

US2541726A Cited
US2516682A Cited
US2574519A Cited
US2621146A Cited
GB639943A Cited
US2612502A Cited
US2571693A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-05-04 1962-11-03 1963-05-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-05-04 1966-11-03 1967-05-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-05-04 1970-11-03 1971-05-05 $7700.00 Window Closed / Lapsed

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