US2729623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-drying resin made from allylic alcohol, and oxirane and an unsaturated dibasic acd
Assignee: Uniroyal Inc
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Filing: 1951-03-10
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Granted: 1956-01-03
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Expires: 1971-03-10
Abstract
No abstract record available.
Inventors
- 👤 Robert A Gregg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:13
CPC Classifications
C; C08; C08F; C08F16/00; C08F22/00; C08F22/10; C08F22/26; C08F22/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
THE METHOD OF MAKING A SOLUBLE, UNSATURATED, AIRDRYING, POLYMERIC RESIN WHICH COMPRISES POLYMERIZING, AT A TEMPERATURE OF FROM 25* TO 150* C. IN THE PRESENCE OF ALLYL ALCOHOL AS A GELATION SUPPRESSOR AND A FREE RADICAL POLYMERIZATION CATALYST, A MIXTURE OF ESTERS OBTAINED BY ESTERIFYING AN ALIPHATIC-ETHYLENIC ALPHA, BETA-DICARBOXYLIC ACID IN AMOUNT SUCH THAT THE RATIO OF MOLES OF ALCOHOLS FURNISHED BY THE MIXTURE OF ALCOHOLS HEREINAFTER MENTIONED TO ACID EQUIVALENTS SUPPLIED BY SAID ACID IS FROM 1.3:1 TO 2.0:1 AT A TEMPERATURE OF FROM 50* TO 120* C. WITH A MIXTURE OF ALCOHOLS FORMED BY REACTING ALLYL ALCOHOL AND ETHYLENE OXIDE IN A MOLAR RATIO OF ALCOHOL TO OXIDE OF FROM 1:1 TO 5:1 A TEMPERATURE OF FROM 40* TO 100* C. IN THE PRESENCE OF AN IONIC CATALYST, AND CONTAINING SAID POLYMERIZING STEP UNTIL A MAJOR PROPORTION OF SAID MIXTURE OF ESTERS HAS BEEN CONVERTED TO A SOLUBLE, UNSATURATED, AIR-DRYING, POLYMERIC RESIN.
Claim 2
Independent Claim
154 words
THE METHOD OF MAKING A SOLUBLE, UNSATURATED, AIRDRYING, POLYMERIC RESIN WHICH COMPRISES POLYMERIZING, AT A TEMPERATURE OF FROM 25* TO 150* C. IN THE PRESENCE OF ALLYL ALCOHOL AS A GELATION SUPPRESSOR AND A FREE RADICAL POLYMERIZATION CATALYST, A MIXTURE OF ESTERS OBTAINED BY ESTERIFYING AN ALIPHATIC-ETHYLENIC ALPHA, BETA-DICARBOXYLIC ACID IN AMOUNT SUCH THAT THE RATIO OF MOLES OF ALCOHOLS FURNISHED BY THE MIXTURE OF ALCOHOLS HEREINAFTER MENTIONED TO ACID EQUIVALENTS SUPPLIED BY SAID ACID IS FROM 1.3:1 TO 2.0:1 AT A TEMPERATURE OF FROM 50* TO 120* C. WITH A MIXTURE OF ALCOHOLS FORMED BY REACTING ALLYL ALCOHOL AND ETHYLENE OXIDE IN A MOLAR RATIO OF ALCOHOL TO OXIDE OF FROM 1:1 TO 5:1 A TEMPERATURE OF FROM 40* TO 100* C. IN THE PRESENCE OF AN IONIC CATALYST, AND CONTAINING SAID POLYMERIZING STEP UNTIL A MAJOR PROPORTION OF SAID MIXTURE OF ESTERS HAS BEEN CONVERTED TO A SOLUBLE, UNSATURATED, AIR-DRYING, POLYMERIC RESIN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |