Patent US2903476A successfully refreshed from Google Patents.
US2903476A
Expired / Lapsed
US
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Alkoxy-containing reaction product
Assignee: Pennwalt Corp
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Filing: 1956-07-20
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Granted: 1959-09-08
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Expires: 1976-07-20
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Kahler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:50
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
43 words
THE PROCESS COMPRISING TREATING P2CL5NO WITH AN ALKALI METAL ALCOHOLATE OF A LOWER ALCOHOL WHEREBY ALKALI METAL CHLORIDE IS FORMED, SEPARATING THE RESULTING ALKALI METAL CHLORIDE FROM THE REACTION MIXTURE, AND SEPARATING FROM THE RESULTING REACTION MIXTURE A REACTION PRODUCT CONTAINING ALKOXY GROUPS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |