US3281455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of carbonyl compounds containing a hindered phenol group
Assignee: Novartis Corp
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Filing: 1963-04-29
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Granted: 1966-10-25
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 David H Steinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:36
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/20; C10M135/22; C10M135/26; C07; C07C; C07C323/00; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/134; C08K5/1345; C08K5/36; C08K5/37; C08K5/375; C10M129/00; C10M129/02; C10M129/68; C10M129/72; C10M2201/00; C10M2201/08; C10M2201/082; C10M2201/083; C10M2207/00; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/18; C10M2207/22; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/30; C10M2207/34; C10M2207/40; C10M2207/404; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/08; C10M2219/082; C10M2219/085; C10N; C10N2010/00; C10N2010/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
PROCESS FOR THE PREPARATION OF COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
9 words
PROCESS FOR THE PREPARATION OF COMPOUNDS OF THE FORMULA:
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |