US2764610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of formate esters of vinylcyclohexene and their derivatives
Assignee: Honeywell International Inc
•
Filing: 1951-10-03
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Granted: 1956-09-25
•
Expires: 1971-10-03
Abstract
No abstract record available.
Inventors
- 👤 Robert C Kuder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:21
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/04; C07C67/08; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A METHOD OF PRODUCING FORMATES THAT COMPRISES HEATING AT A TEMPERATURE BELOW 140* C., AND IN THE ABSENCE OF ANY ESTERIFICATION CATALYST, A MIXTURE COMPRISING VINYCYCLOHEXENE AND CONCENTRATED FORMIC ACID COMPRISING NOT MORE THAN 10% BY WEIGHT THEREOF, OF WATER.
Claim 2
Independent Claim
40 words
A METHOD OF PRODUCING FORMATES THAT COMPRISES HEATING AT A TEMPERATURE BELOW 140* C., AND IN THE ABSENCE OF ANY ESTERIFICATION CATALYST, A MIXTURE COMPRISING VINYCYCLOHEXENE AND CONCENTRATED FORMIC ACID COMPRISING NOT MORE THAN 10% BY WEIGHT THEREOF, OF WATER.
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) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |