US2632751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized polyester compositions
Assignee: Libbey Owens Ford Glass Co
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Filing: 1949-08-23
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Granted: 1953-03-24
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Expires: 1969-08-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/22; C08K5/23; C08K5/04; C08K5/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A STABLIZED THERMOSETTING COMPOSITION, COMPRISING (1), AS A BINDER, A POLYMERIZABLE UNSATURATED ALKYD RESIN 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, IN AN AMOUNT FROM .01 TO 5 PER CENT OF THE TOTAL WEIGHT OF POLYMERIZABLE BINDER; AND, (3) AS AN AGENT FOR INCREASING THE STABILITY OF THE COMPOSITION AT ATMOSPHERIC TEMPERATURES WITHOUT PROPORTIONATELY DECREASING THE CURABILITY OF THE COMPOSITION, IN AN AMOUNT FROM .02 TO 2 PER CENT OF THE TOTAL WEIGHT OF POLYMERIZABLE BINDER, A NUCLEARLY SUBSTITUTED ARYLHYDROXIDE HAVING AT LEAST ONE NUCLEAR SUBSTITUENT THAT (A) CONSISTS AT LEAST IN PART OF A MONOVALENT HYDROCARBON RADICAL AND (B) HAS NO OXYGEN ATOM CONNECTED TO AN ATOM THAT IS CONNECTED TO THE NUCLEUS, THE TOTAL NUMBER OF OXYGEN AND NITROGEN ATOMS THAT ARE CONNECTED TO ANY ATOM OF SAID ARYLHYDROXIDE THAT IS CONNECTED TO A NUCLEUS BEING NOT GREATER THAN ONE; CARRIED ON A FILLER IN CONTACT WITH AIR, SAID FILLER BEING PRESENT IN AN AMOUNT FROM 40 TO 85 PER CENT OF THE TOTAL WEIGHT OF THE COMPOSITIN.
Claim 2
Dependent Claim
186 words
A STABLIZED THERMOSETTING COMPOSITION, COMPRISING (1), AS A BINDER, A POLYMERIZABLE UNSATURATED ALKYD RESIN 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, IN AN AMOUNT FROM .01 TO 5 PER CENT OF THE TOTAL WEIGHT OF POLYMERIZABLE BINDER; AND, (3) AS AN AGENT FOR INCREASING THE STABILITY OF THE COMPOSITION AT ATMOSPHERIC TEMPERATURES WITHOUT PROPORTIONATELY DECREASING THE CURABILITY OF THE COMPOSITION, IN AN AMOUNT FROM .02 TO 2 PER CENT OF THE TOTAL WEIGHT OF POLYMERIZABLE BINDER, A NUCLEARLY SUBSTITUTED ARYLHYDROXIDE HAVING AT LEAST ONE NUCLEAR SUBSTITUENT THAT (A) CONSISTS AT LEAST IN PART OF A MONOVALENT HYDROCARBON RADICAL AND (B) HAS NO OXYGEN ATOM CONNECTED TO AN ATOM THAT IS CONNECTED TO THE NUCLEUS, THE TOTAL NUMBER OF OXYGEN AND NITROGEN ATOMS THAT ARE CONNECTED TO ANY ATOM OF SAID ARYLHYDROXIDE THAT IS CONNECTED TO A NUCLEUS BEING NOT GREATER THAN ONE; CARRIED ON A FILLER IN CONTACT WITH AIR, SAID FILLER BEING PRESENT IN AN AMOUNT FROM 40 TO 85 PER CENT OF THE TOTAL WEIGHT OF THE COMPOSITIN.
References Cited (Backward Citations)
US2457657A
Cited
US2480928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |