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US3277148A
Expired / Lapsed
US
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Dialkyl alpha-(dialkylhydroxyphenyl)-beta-alkylthiobutandioates
Assignee: Novartis Corp
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Filing: 1965-01-11
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Granted: 1966-10-04
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Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 David H Steinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:28
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/375; C07; C07C; C07C323/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
4 words
COMPOUNDS OF THE FORMULA:
References Cited (Backward Citations)
US2199799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |