Patent US2842595A successfully refreshed from Google Patents.
US2842595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-amino-4, 6-di-secondary-butyl-omicron-cresols
Assignee: Dow Chemical Co
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Filing: 1956-04-23
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Granted: 1958-07-08
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Expires: 1976-04-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Rigterink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:43
CPC Classifications
A; A01; A01N; A01N33/00; A01N33/02; A01N33/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
AN N-SUBSTITUTED-A-AMINO-4,6-DI-SECONDARY-BUTYL-OCRESOL HAVING THE STRUCTURE
Claim 2
Dependent Claim
5 words
AN N-SUBSTITUTED-A-AMINO-4,6-DI-SECONDARY-BUTYL-OCRESOL HAVING THE STRUCTURE
References Cited (Backward Citations)
US2036916A
Cited
US2045517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |