US3627880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotic copiamycin
Assignee: Individual
•
Filing: 1965-08-25
•
Granted: 1971-12-14
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Expires: 1985-08-25
Abstract
Abstract Copiamycin is a new antifungal agent and is produced by the cultivation of Streptomyces hygroscopicus var. crystallogenes. Copiamycin inhibits the growth of certain fungi.
Inventors
- 👤 Tadashi Arai
- 👤 Shyuko Kuroda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:22
CPC Classifications
C; C12; C12P; C12P1/00; C12P1/06; C12N; C12N1/00; C12N1/20; C12N1/205; C12R; C12R2001/00; C12R2001/01; C12R2001/465; C12R2001/55; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/898
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
7 words
Crystalline copiamycin as defined in claim 1.
Claim 2
Dependent Claim
36 words
The process of producing an antibiotic designated copiamycin which comprises cultivating Streptomyces hygroscopicus var. crystallogenes A.T.C.C. No. 19040 under submerged aerobic conditions in an aqueous nutrient medium until substantial antifungal activity is produced in said medium.
Claim 3
Dependent Claim
42 words
The process of producing an antibiotic designated copiamycin which comprises cultivating Streptomyces hygroscopicus var. crystallogenes A.T.C.C. No. 19040 under submerged, aerobic conditions in an aqueous nutrient medium until substantial antifungal activity is produced in said medium and recovering copiamycin from said medium.
Claim 4
Dependent Claim
36 words
The process of claim 4 wherein said medium contains assimilable carbohydrate and nitrogenous material, and Streptomyces hygroscopicus var. crystallogenes A.T.C.C. No. 19040 is cultivated for about 2 to 5 days at about 24* to 35* C.
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) | 1974-12-13 | 1975-06-14 | 1975-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-13 | 1979-06-14 | 1979-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-13 | 1983-06-14 | 1983-12-14 | $7700.00 | Window Closed / Lapsed |