Patent US3247240A successfully refreshed from Google Patents.
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
•
Granted: 1966-04-19
•
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 11:39
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)
US2202877A
Cited
US2208585A
Cited
US2603662A
Cited
US2551926A
Cited
US2643268A
Cited
US2624732A
Cited
US2681371A
Cited
US2789995A
Cited
US2831898A
Cited
US2881219A
Cited
US2969397A
Cited
US3012063A
Cited
US3013062A
Cited
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 |