US3897306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
7-Hydroxy-delta 8-tetrahydrocannabinols and microbiological production thereof
Assignee: Bayer Pharma AG
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Filing: 1974-07-03
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Granted: 1975-07-29
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Expires: 1994-07-03
Abstract
Abstract 7-Hydroxy- Delta 8-tetrahydrocannabinols of the formula WHEREIN R1 and R2 are both hydrogen atoms or one is a hydrogen atom and the other hydroxy process psychotropic activity and are produced by the microbiological hydroxylation of a corresponding 7-desoxy compound with a microorganism of the genus Streptomyces or Pellicularia.
Inventors
- 👤 Hans-Jorg Vidic
- 👤 Klaus Kieslich
- 👤 Karl Petzoldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:11
CPC Classifications
C; C07; C07D; C07D311/00; C07D311/02; C07D311/78; C07D311/80; A; A61; A61P; A61P25/00; A61P25/18; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/899; Y10S435/911
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
10 words
A PROCESS FOR THE PRODUCTION OF $8-TETRAHYDROCANNABINOLS OF THE FORMULA
Claim 2
Dependent Claim
10 words
A PROCESS FOR THE PRODUCTION OF $8-TETRAHYDROCANNABINOLS OF THE FORMULA
Claim 3
Dependent Claim
15 words
A process of claim 1 wherein the reaction product is 7 Alpha -hydroxy- Delta 8-tetrahydrocannabinol.
Claim 4
Dependent Claim
15 words
A process of claim 1 wherein the reaction product is 7 Alpha ,2''-dihydroxy- Delta 8-tetrahydrocannabinol.
Claim 5
Dependent Claim
16 words
A process of claim 1 wherein the reaction prOduct is 7 Alpha ,4'' -dihydroxy- Delta 8tetrahydrocannabinol.
Claim 6
Dependent Claim
16 words
A process of claim 1 wherein the reaction product is 7 Beta , 2''-dihydroxy- Delta 8-tetrahydrocannabinol.
Claim 7
Dependent Claim
16 words
A process of claim 1 wherein the reaction product is 7 Beta , 4''-dihydroxy- Delta 8-tetrahydrocannabinol.
Claim 8
Dependent Claim
14 words
A process according to claim 1, wherein the microorganism is Streptomyces lavendulae ATCC 8664.
Claim 9
Dependent Claim
17 words
A process according to claim 1, wherein the microorganism is Pellicularia filamentosa f. sp. sasakii ATCC 13289.
Claim 10
Dependent Claim
14 words
A process according to claim 1 wherein the microorganism is of the genus Streptomyces.
Claim 11
Dependent Claim
14 words
A process according to claim 1 wherein the microorganism is of the genus Pellicularia.
References Cited (Backward Citations)
US3822188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |