US3183169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of salicylic acid
Assignee: Sunoco Inc
•
Filing: 1963-07-22
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Granted: 1965-05-11
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Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Andre R Brillaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:20
CPC Classifications
C; C12; C12P; C12P7/00; C12P7/40; C12P7/42; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/843
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A PROCESS FOR PREPARING SALICYLIC ACID WHICH COMPRISES SUBJECTING NAPHTHALENE TO THE MICROORGANISM CORYNEBACTERIUM RENALE ATCC 15075 IN AN AQUEOUS NUTRIENT MEDIUM UNDER AEROBIC CONDITIONS.
Claim 2
Dependent Claim
25 words
A PROCESS FOR PREPARING SALICYLIC ACID WHICH COMPRISES SUBJECTING NAPHTHALENE TO THE MICROORGANISM CORYNEBACTERIUM RENALE ATCC 15075 IN AN AQUEOUS NUTRIENT MEDIUM UNDER AEROBIC CONDITIONS.
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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |