US3148207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing alkyl esters
Assignee: Monsanto Co
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Filing: 1958-04-14
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Granted: 1964-09-08
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Expires: 1978-04-14
Abstract
No abstract record available.
Inventors
- 👤 Oliver J Weinkauff
- 👤 Robert H Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:28
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C07; C07C; C07C323/00; C08K5/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A METHOD FOR THE PREPARATION OF AN ESTER OF AN ORGANIC CARBOXYLIC ACID THE STEP COMPRISING REACTING ONE MOL PROPORTION OF ALKYL HALIDE CONTAINING FROM 1 TO 20 CARBON ATOMS, THE HALOGEN OF SAID HALIDE BEING SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, AND ONE MOL PROPORTION OF A SATURATED TERTIARY ALIPHATIC AMINE CONTAINING 3 TO 24 CARBON ATOMS AND HAVING THE STRUCTURE
Claim 2
Dependent Claim
67 words
IN A METHOD FOR THE PREPARATION OF AN ESTER OF AN ORGANIC CARBOXYLIC ACID THE STEP COMPRISING REACTING ONE MOL PROPORTION OF ALKYL HALIDE CONTAINING FROM 1 TO 20 CARBON ATOMS, THE HALOGEN OF SAID HALIDE BEING SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, AND ONE MOL PROPORTION OF A SATURATED TERTIARY ALIPHATIC AMINE CONTAINING 3 TO 24 CARBON ATOMS AND HAVING THE STRUCTURE
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |