US3247240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of carbonyl compounds containing a hindered phenol group
Assignee: Novartis AG
•
Filing: 1962-01-05
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Granted: 1966-04-19
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Expires: 1982-01-05
Abstract
No abstract record available.
Inventors
- 👤 Eric A Meier
- 👤 Dexter Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:01
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/69; C07C323/00; C07C49/00; C07C49/20; C07C49/24; C07C49/245; C07C67/00; C07C67/30; C07C67/333; C07C67/343; C07C67/347; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132; C08K5/134; C08K5/1345; C08K5/16; C08K5/20; C09; C09K; C09K15/00; C09K15/04; C09K15/06; C09K15/08; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/20; C10L1/22; C10M; C10M129/00; C10M129/02; C10M129/24; C10M129/68; C10M129/76; C10M133/00; C10M133/02; C10M133/16; C10M135/00; C10M135/20; C10M135/22; C10M135/24; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/026; C10M2207/28; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/287; C10M2207/34; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/085; C10N; C10N2050/00; C10N2050/10; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
THE PROCESS FOR THE PREPARATION OF COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
10 words
THE PROCESS FOR THE PREPARATION OF COMPOUNDS OF THE FORMULA:
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |