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US2939859A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for preparing resinified product from polyepoxy polyether and aromatic-substituted-alkene-1 and composition for production of said product

Assignee: Shell USA Inc
•
Filing: 1955-03-21
•
Granted: 1960-06-07
•
Expires: 1975-03-21
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Abstract

No abstract record available.

Inventors

  • 👤 Rumscheidt Gottfried Ernst
  • 👤 Bruin Pieter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:28
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 158 words
A PROCESS FOR THE PRODUCTION OF RESINIFIED REACTION PRODUCTS WHICH CONSISTS OF REACTING TOGETHER AT A TEMPERATURE BETWEEN ABOUT 20*C. AND 120*C. A MIXTURE OF (1) A POLYETHER POLYEPOXIDE HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN 1 AND BEING FREE OF UNSATURATED LINKAGES WHICH UNDERGO ADDITION POLYMERIZATION, AND (2) A 1-ALKENE SUBSTITUTED ON NUMBER 2 CARBON ATOM WITH AN AROMATIC HYDROCARBON RADICAL AND (3) UP TO 15%, BASED ON THE COMBINED WEIGHT OF THE POLYETHER AND THE ALKENE, OF AN EPOXY RESIN CURING AGENT THAT IS FREE OF UNSATURATED LINKAGES WHICH UNDERGO ADDITION POLYMERIZATION, THE SAID CURING AGENT BEING SELECTED FROM THE GROUP CONSISTING OF ALKALINE ACTING SUBSTANCES AND AMINE SALTS OF CARBOXYLIC ACIDS SO AS TO FORM A RESINIFIED PRODUCT WHICH IS SUBSTANTIALLY FREE OF MONOMERIC ALKENE AS SUCH BUT HAS THE ALKENE INTIMATELY BOUND IN THE RESINIFIED PRODUCT, AND SAID SUBSTITUTED ALKENE BEING THE ONLY COMPONENT IN SAID MIXTURE WHICH CONTAINS UNSATURATED LINKAGES WHICH UNDERGO ADDITION POLYMERIZATION.
Claim 2
Dependent Claim 158 words
A PROCESS FOR THE PRODUCTION OF RESINIFIED REACTION PRODUCTS WHICH CONSISTS OF REACTING TOGETHER AT A TEMPERATURE BETWEEN ABOUT 20*C. AND 120*C. A MIXTURE OF (1) A POLYETHER POLYEPOXIDE HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN 1 AND BEING FREE OF UNSATURATED LINKAGES WHICH UNDERGO ADDITION POLYMERIZATION, AND (2) A 1-ALKENE SUBSTITUTED ON NUMBER 2 CARBON ATOM WITH AN AROMATIC HYDROCARBON RADICAL AND (3) UP TO 15%, BASED ON THE COMBINED WEIGHT OF THE POLYETHER AND THE ALKENE, OF AN EPOXY RESIN CURING AGENT THAT IS FREE OF UNSATURATED LINKAGES WHICH UNDERGO ADDITION POLYMERIZATION, THE SAID CURING AGENT BEING SELECTED FROM THE GROUP CONSISTING OF ALKALINE ACTING SUBSTANCES AND AMINE SALTS OF CARBOXYLIC ACIDS SO AS TO FORM A RESINIFIED PRODUCT WHICH IS SUBSTANTIALLY FREE OF MONOMERIC ALKENE AS SUCH BUT HAS THE ALKENE INTIMATELY BOUND IN THE RESINIFIED PRODUCT, AND SAID SUBSTITUTED ALKENE BEING THE ONLY COMPONENT IN SAID MIXTURE WHICH CONTAINS UNSATURATED LINKAGES WHICH UNDERGO ADDITION POLYMERIZATION.

References Cited (Backward Citations)

US2450552A Cited
GB629111A Cited
US2712535A Cited
US2691007A Cited
US2682515A Cited
US2707177A Cited
US2848433A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-06-07 1963-12-07 1964-06-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-06-07 1967-12-07 1968-06-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-06-07 1971-12-07 1972-06-07 $7700.00 Window Closed / Lapsed

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