Patent US3053855A successfully refreshed from Google Patents.
US3053855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of glycidyl esters
Assignee: —
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Filing: —
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Granted: 1962-09-11
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Expires: 1979-09-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:29
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/16; C07C; C07C67/00; C07C67/08; C07C67/24; C07C67/26
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
79 words
A PROCESS COMPRISING HEATING A REACTION MIXTRUE OF A 10 TO 20 MOLAR EXCESS OF EPICHLOROHYDRIN AND AN AQUEOUS SOLUTION OF AN ALKALI METAL SALT OF A CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, POLYACRYLIC ACID, STEARIC ACID, PELAGONIC ACID, AXELAIC ACID, SEBACIC ACID, ADIPIC ACID, SUCCINIC ACID, PHTHALIC ACID, OLEIC ACID, DIMERIZED LINOLEIC ACID, AND TRIMERIZED LINOLEIC ACID IN THE PRESENCE OF A QUATERNARY AMMONIUM HALIDE, TO PRODUCE THE GLYCIDYL ESTER OF SAID CARBOXYLIC ACID.
Claim 2
Dependent Claim
79 words
A PROCESS COMPRISING HEATING A REACTION MIXTRUE OF A 10 TO 20 MOLAR EXCESS OF EPICHLOROHYDRIN AND AN AQUEOUS SOLUTION OF AN ALKALI METAL SALT OF A CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, POLYACRYLIC ACID, STEARIC ACID, PELAGONIC ACID, AXELAIC ACID, SEBACIC ACID, ADIPIC ACID, SUCCINIC ACID, PHTHALIC ACID, OLEIC ACID, DIMERIZED LINOLEIC ACID, AND TRIMERIZED LINOLEIC ACID IN THE PRESENCE OF A QUATERNARY AMMONIUM HALIDE, TO PRODUCE THE GLYCIDYL ESTER OF SAID CARBOXYLIC ACID.
Claim 3
Dependent Claim
13 words
THE PROCESS OF CLAIM 1 IN WHICH THE CARBOXYLIC ACID IS PHTHALIC ACID.
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |