Patent US3176039A successfully refreshed from Google Patents.
US3176039A
Expired / Lapsed
US
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Process of preparing carboxylic esters
Assignee: General Electric Co
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Filing: 1962-04-12
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Granted: 1965-03-30
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Expires: 1982-04-12
Abstract
No abstract record available.
Inventors
- 👤 Allan S Hay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:00
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/36; C07C67/00; C07C67/39; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
THE PROCESS OF PREPARING CARBOXYLIC ESTERS WHICH COMPRISES REACTING OXYGEN UNDER ANHYDROUS CONDITIONS WITH AN ORGANIC COMPOUND CONTAINING A -CH2-GROUP ADJACENT TO A
Claim 2
Dependent Claim
23 words
THE PROCESS OF PREPARING CARBOXYLIC ESTERS WHICH COMPRISES REACTING OXYGEN UNDER ANHYDROUS CONDITIONS WITH AN ORGANIC COMPOUND CONTAINING A -CH2-GROUP ADJACENT TO A
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |