US3590073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esterification of tertiary alcohols
Assignee: Atlantic Richfield Co
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Filing: 1967-12-15
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Granted: 1971-06-29
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Expires: 1987-12-15
Abstract
Abstract METHOD FOR THE ESTERIFICATION OF ALIPHATIC ACYCLIC TERTIARY ALCOHOLS HAVING FROM 4 TO 8 CARBON ATOMS BY REACTING THE ALCOHOL WITH AN ORGANIC CARBOXYLIC ACID IN THE PRESENCE OF A CATION EXCHANGE RESIN.
Inventors
- 👤 Lawrence J Carr
- 👤 Rudolph Rosenthal
- 👤 Giovanni A Bonetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:59
CPC Classifications
C; C07; C07C; C07C67/00; C07C69/00; C07C69/52; C07C69/533; C07C69/54; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
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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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |