US2885326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of cycloheximide
Assignee: Pharmacia and Upjohn Co
•
Filing: 1956-01-26
•
Granted: 1959-05-05
•
Expires: 1976-01-26
Abstract
No abstract record available.
Inventors
- 👤 Bruce W Churchill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:01
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)
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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 |