US2635089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester compositions stabilized with a hydroxybenzoic acid
Assignee: Libbey Owens Ford Glass Co
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Filing: 1951-06-07
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Granted: 1953-04-14
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Expires: 1971-06-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A STABILIZED THERMOSETTING COMPOSITION, COMPRISING (1) A POLYMERIZABLE UNSATURATED ALKYD WHOSE MOLECULE CONTAINS A PLURALITY OF POLYMERIZABLY REACTIVE $2,3-ENEDIOYL GROUPS; (2) A CATALYST OF THE CLASS CONSISTING OF ORGANIC PEROXIDES AND ORGANIC OZONIDES; AND (3) AS AN AGENT FOR INCREASING THE STABILITY OF THE COMPOSITION AT ATMOSPHERIC TEMPERATURES WITHOUT PROPORTIONATELY DECREASING THE CURABILITY OF THE COMPOSITION, AN ALKOXY-SUBSTITUTED HYDROXYBENZOIC ACID, IN WHICH THE ALKOXY RADICAL HAS NOT MORE THAN EIGHTEEN CARBON ATOMS, HAVING NOT MORE THAN ONE OXYGEN ATOM CONNECTED TO THE ATOM OTHER THAN CARBON THAT IS CONNECTED TO THE NUCLEUS.
Claim 2
Dependent Claim
92 words
A STABILIZED THERMOSETTING COMPOSITION, COMPRISING (1) A POLYMERIZABLE UNSATURATED ALKYD WHOSE MOLECULE CONTAINS A PLURALITY OF POLYMERIZABLY REACTIVE $2,3-ENEDIOYL GROUPS; (2) A CATALYST OF THE CLASS CONSISTING OF ORGANIC PEROXIDES AND ORGANIC OZONIDES; AND (3) AS AN AGENT FOR INCREASING THE STABILITY OF THE COMPOSITION AT ATMOSPHERIC TEMPERATURES WITHOUT PROPORTIONATELY DECREASING THE CURABILITY OF THE COMPOSITION, AN ALKOXY-SUBSTITUTED HYDROXYBENZOIC ACID, IN WHICH THE ALKOXY RADICAL HAS NOT MORE THAN EIGHTEEN CARBON ATOMS, HAVING NOT MORE THAN ONE OXYGEN ATOM CONNECTED TO THE ATOM OTHER THAN CARBON THAT IS CONNECTED TO THE NUCLEUS.
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) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |