US2861098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of carboxylic acid esters
Assignee: Diamond Shamrock Corp
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Filing: 1956-07-17
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Granted: 1958-11-18
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Expires: 1976-07-17
Abstract
No abstract record available.
Inventors
- 👤 Sanza Richard A Di
- 👤 Hlynsky Alex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:22
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/10; C08; C08K; C08K5/00; C08K5/04; C08K5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
THE METHOD WHICH INCLUDES THE STEPS OF HEATING A MIXTURE OF A CHLORINATED ALIPHATIC HYDROCARBON HAVING FROM 18 TO 36 CARBON ATOMS AND CONTAINING ABOUT 35% TO 75% OF CHEMICALLY COMBINED CHLORINE BY WEIGHT, A POTASSIUM SALT OF A LOWER ALKANOIC ACID, AND A LOWERALKOXY-LOWER-ALKANOL AS A MUTUAL SOLVENT FOR SAID CHLORINATED HYDROCARBON AND SAID SALT, AND RECOVERING THE REACTION PRODUCT THUS FORMED CONTAINING ESTER GROUPS.
Claim 2
Independent Claim
66 words
THE METHOD WHICH INCLUDES THE STEPS OF HEATING A MIXTURE OF A CHLORINATED ALIPHATIC HYDROCARBON HAVING FROM 18 TO 36 CARBON ATOMS AND CONTAINING ABOUT 35% TO 75% OF CHEMICALLY COMBINED CHLORINE BY WEIGHT, A POTASSIUM SALT OF A LOWER ALKANOIC ACID, AND A LOWERALKOXY-LOWER-ALKANOL AS A MUTUAL SOLVENT FOR SAID CHLORINATED HYDROCARBON AND SAID SALT, AND RECOVERING THE REACTION PRODUCT THUS FORMED CONTAINING ESTER GROUPS.
References Cited (Backward Citations)
US1459971A
Cited
US2049207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |