US3847742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for deacetoxycephalosporin c
Assignee: Individual
•
Filing: 1973-04-09
•
Granted: 1974-11-12
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Expires: 1993-04-09
Abstract
Abstract Deacetoxycephalosporin C is produced by culturing a penicillin N-producing microorganism belonging to the genera Cephalosporium, Emericellopsis, Scopulariopsis, Paecilomyces or Diheterospora in an aqueous nutrient culture medium under submerged aerobic fermentation conditions and is recovered and isolated by chromatography of the filtered fermentation broth.
Inventors
- 👤 C Higgens
- 👤 R Hamill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:15
CPC Classifications
C; C12; C12P; C12P35/00; C12P35/06; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
59 words
A METHOD FOR PRODUCING DEACETOXYCEPHALOSPORIN C WHICH COMPRISES CULTIVATING IN AN AQUEOUS NUTRIENT CULTURE MEDIUM UNDER SUBMERGED AEROBIC FERMENTATION CONDITIONS A PENICILLIN N PRODUCING MICROORGANISM BELONGING TO THE GENERA CEPHALOSPORIUM, EMERICELLOPSIS, SCOPULARIOPSIS, PAECILOMYCES OR DIHETEROSPORA UNTIL A SUBSTANTIAL AMOUNT OF DEACETOXYCEPHALOSPORIN C IS PRODUCED BY SAID MICROORGANISM IN SAID CULTURE MEDIUM AND ISOLTAING DEACETOYCEPHALOSPORIN C FROM SAID CULTURE MEDIUM.
Claim 2
Independent Claim
59 words
A METHOD FOR PRODUCING DEACETOXYCEPHALOSPORIN C WHICH COMPRISES CULTIVATING IN AN AQUEOUS NUTRIENT CULTURE MEDIUM UNDER SUBMERGED AEROBIC FERMENTATION CONDITIONS A PENICILLIN N PRODUCING MICROORGANISM BELONGING TO THE GENERA CEPHALOSPORIUM, EMERICELLOPSIS, SCOPULARIOPSIS, PAECILOMYCES OR DIHETEROSPORA UNTIL A SUBSTANTIAL AMOUNT OF DEACETOXYCEPHALOSPORIN C IS PRODUCED BY SAID MICROORGANISM IN SAID CULTURE MEDIUM AND ISOLTAING DEACETOYCEPHALOSPORIN C FROM SAID CULTURE MEDIUM.
Claim 3
Dependent Claim
13 words
The method of claim 1 wherein the microorganism belongs to the genus Cephalosporium.
Claim 4
Dependent Claim
13 words
The method of claim 1 wherein the microorganism belongs to the genus Emericellopsis.
Claim 5
Dependent Claim
13 words
The method of claim 1 wherein the microorganism belongs to the genus Scopulariopsis.
Claim 6
Dependent Claim
13 words
The method of claim 1 wherein the microorganism belongs to the genus Paecilomyces.
Claim 7
Dependent Claim
13 words
The method of claim 1 wherein the microorganism belongs to the genus Diheterospora.
Claim 8
Dependent Claim
64 words
The method of claim 2 wherein the microorganism is selected from the group consisting of Cephalosporium Corda NRRL 5445 Cephalosporium chrysogenum ATCC 14615 Cephalosporium sp. NRRL 5711 Cephalosporium sp. NRRL 5716 Cephalosporium sp. NRRL 5718 Cephalosporium sp. NRRL 5719 Cephalosporium sp. NRRL 5720 Cephalosporium sp. NRRL 5721 Cephalosporium sp. NRRL 5722 Cephalosporium sp. NRRL 5723 Cephalosporium sp. NRRL 5724 and Cephalosporium sp. NRRL 5725.
Claim 9
Dependent Claim
36 words
The method of claim 3 wherein the microorganism is selected from the group consisting of Emericellopsis sp. NRRL 5446 Emericellopsis sp. NRRL 5447 Emericellopsis sp. NRRL 5713 Emericellopsis sp. NRRL 5714 and Emericellopsis sp. NRRL 5717.
Claim 10
Dependent Claim
13 words
The method of claim 4 wherein the microorganism is Scopulariopsis sp. NRRL 5715.
Claim 11
Dependent Claim
13 words
The method of claim 5 wherein the microorganism is Paecilomyces carneus NRRL 5711.
Claim 12
Dependent Claim
13 words
The method of claim 6 wherein the microorganism is Diheterospora chlamydosporia NRRL 5728.
References Cited (Backward Citations)
US3396083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |