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
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Granted: 1960-06-07
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Expires: 1975-03-21
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
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GB629111A
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US2712535A
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US2691007A
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US2682515A
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US2707177A
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US2848433A
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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) | 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 |