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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
•
Filing: 1951-03-10
•
Granted: 1956-01-03
•
Expires: 1971-03-10
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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.

References Cited (Backward Citations)

US2321942A Cited
US2273891A Cited
US2384568A Cited
US2431373A Cited
US2444655A Cited
US2514786A Cited
US2594825A Cited
US2628922A Cited

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

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