Patent US2965672A successfully refreshed from Google Patents.
US2965672A
Expired / Lapsed
US
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Dialkylaminoalkyl carbanilates and derivatives thereof
Assignee: Olin Corp
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Filing: 1957-01-22
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Granted: 1960-12-20
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Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 William A Lott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:03
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/28; C07C275/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
THE DI(DIETHYLAMINOETHYL)ESTER OF 4,4''-METHYLENEDICARBANILIC ACID.
Claim 2
Dependent Claim
5 words
THE DI(DIETHYLAMINOETHYL)ESTER OF 4,4''-METHYLENEDICARBANILIC ACID.
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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |