US3046299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of cyclopropane-carboxylic acids of transform
Assignee: Rhone Poulenc SA
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Filing: 1959-06-25
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Granted: 1962-07-24
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Expires: 1979-06-25
Abstract
No abstract record available.
Inventors
- 👤 Marc T Julia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:06
CPC Classifications
C; C07; C07C; C07C57/00; C07C57/26; C07C51/00; C07C51/347; C07C51/353; C07C2601/00; C07C2601/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A PROCESS FOR CONVERTING THE METHYL ESTER OF CISCHRYSANTHEMIC ACID INTO THE CORRESPONDING TRANS ESTER WHICH COMPRISES SUBJECTING THE SAID CIS-ESTER TO THE ACTION OF AN ALKALI METAL ALCOHOLATE.
Claim 2
Dependent Claim
29 words
A PROCESS FOR CONVERTING THE METHYL ESTER OF CISCHRYSANTHEMIC ACID INTO THE CORRESPONDING TRANS ESTER WHICH COMPRISES SUBJECTING THE SAID CIS-ESTER TO THE ACTION OF AN ALKALI METAL ALCOHOLATE.
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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |