US2610205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ester composition
Assignee: ExxonMobil Oil Corp
•
Filing: 1949-02-02
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Granted: 1952-09-09
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Expires: 1969-02-02
Abstract
No abstract record available.
Inventors
- 👤 Hastings S Trigg
- 👤 Henry D Norris
- 👤 Ralph V White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:41
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/235; C07C59/305; C07C231/00; C07C231/02; C07C67/00; C07C67/08; C07C69/00; C07C69/34; C07C69/40; C07C69/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS FOR THE PRODUCTION OF AN ESTER REACTION PRODUCT, WHICH COMPRISES REACTING A TRIALKYLAMINE WITH A DICARBOXYLIC ACIDWHICH DOES NOT FORM AN ANHYDRIDE READILY, IN A MOLAR RATIO OF AT LEAST ONE MOL OF SAID TRIALKYLAMINE PER MOL OF SAID DICARBOXYLIC ACIDE, TO FORM A TRIALKYAMMONIUM ACID SALT OF SAID DICARBOXYLIC ACID, AND ESTERIFYING SAID TRIALKYLAMMONIUM ACID SALT OF SAID DICARBOXYLIC ACID WITH A PRIMARY, ALIPHATIC, MONOHYDRIC ALCOHOL IN A MOLAR RATIO OF ABOUT 1: 1, RESPECTIVELY.
Claim 2
Dependent Claim
78 words
A PROCESS FOR THE PRODUCTION OF AN ESTER REACTION PRODUCT, WHICH COMPRISES REACTING A TRIALKYLAMINE WITH A DICARBOXYLIC ACIDWHICH DOES NOT FORM AN ANHYDRIDE READILY, IN A MOLAR RATIO OF AT LEAST ONE MOL OF SAID TRIALKYLAMINE PER MOL OF SAID DICARBOXYLIC ACIDE, TO FORM A TRIALKYAMMONIUM ACID SALT OF SAID DICARBOXYLIC ACID, AND ESTERIFYING SAID TRIALKYLAMMONIUM ACID SALT OF SAID DICARBOXYLIC ACID WITH A PRIMARY, ALIPHATIC, MONOHYDRIC ALCOHOL IN A MOLAR RATIO OF ABOUT 1: 1, RESPECTIVELY.
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) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |