Patent US3629338A successfully refreshed from Google Patents.
US3629338A
Expired / Lapsed
US
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Certain fluoro-containing nitro-acetal compounds
Assignee: Aerojet Rocketdyne Inc
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Filing: 1964-07-06
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Granted: 1971-12-21
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Expires: 1984-07-06
Abstract
Abstract 1. AS COMPOSITIONS OF MATTER, THE COMPOUNDS HAVING THE FORMULA: WHEREIN R IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL; R1 IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL; AND A IS A LOWER ALKYLENE RADICAL. R-C(-R1)(-O-A-C(-NO2)2-F)2
Inventors
- 👤 Fred E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:15
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/27; C07C205/28; C07C205/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
AS COMPOSITIONS OF MATTER, THE COMPOUNDS HAVING THE FORMULA:
Claim 2
Dependent Claim
9 words
AS COMPOSITIONS OF MATTER, THE COMPOUNDS HAVING THE FORMULA:
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) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |