US3748231A
Expired / Lapsed
US
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Microbiological oxidation of alkyl-substituted cyclic compounds
Assignee: Sun Research and Development Co
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Filing: 1972-01-27
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Granted: 1973-07-24
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Expires: 1992-01-27
Abstract
Abstract The Beta -carbon atom of C2-C3 alkyl side-chains of mononuclear aromatic or cycloaliphatic compounds may be oxidized by certain organisms of the genus Nocardia to form the corresponding hydroxy and/or keto derivatives thereof.
Inventors
- 👤 P Hosler
- 👤 R Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:51
CPC Classifications
C; C12; C12P; C12P7/00; C12P7/24; C12P7/26; C12P7/02; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/872
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
30 words
The process according to claim 1 wherein the cyclic organic compound is a mixture of o-, m- and p-diethylbenzene and a mixture of m-diacetylbenzene, p-diacetylbenzene, 3-(1-hydroxyethyl)acetophenone, and 4-(1-hydroxyethyl)-acetophenone is recovered.
Claim 2
Dependent Claim
14 words
The process according to claim 2 wherein the microorganism is Nocardia corallina ATCC 19,070.
Claim 3
Dependent Claim
23 words
The process according to claim 1 wherein the cyclic organic compound is m-di-n-propylcyclohexane, and a mixture of 1,3-diacetonylcyclohexane and 1-acetonyl, 3-(2-hydroxy-1-propyl)cyclohexane is recovered.
Claim 4
Dependent Claim
14 words
The process according to claim 4 wherein the microorganism is Nocardia salmonicolor ATCC 19,149.
Claim 5
Dependent Claim
22 words
The process according to claim 1 wherein the cyclic organic compound is 1,3,5-triethylbenzene, and a mixture of 1,3,5-triacetylbenzene and 1,3-diacetyl-5-(1-hydroxy-ethyl)benzene is recovered.
Claim 6
Dependent Claim
14 words
The process according to claim 6 wherein the microorganism is Nocardia minima ATCC 19,150.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |