US3201497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesives comprising epoxy-hydroxy polyether resin and epoxy-containing copolymer
Assignee: EIDP Inc
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Filing: 1961-09-28
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Granted: 1965-08-17
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Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 Walden L Heino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:19
CPC Classifications
C; C09; C09J; C09J133/00; C09J133/04; C09J133/06; C09J133/062; C09J133/068; C09J157/00; C09J163/00; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/14; C08L2666/28; C08L63/00; Y; Y10; Y10S; Y10S525/00; Y10S525/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN ADHESIVE COMPOSITION COMPRISING AN 1,2-EPOXYHYDROXY POLYETHER; 2 TO 45% BY WEIGHT, BASED ON SAID 1,2-EPOXY-HYDROXY POLYETHER, OF A FILM-FORMING COPOLYMER OF AN ETHYLENICALLY UNSATURATED 1,2-EPOXY MONOMER AND AT LEAST NE ETHYLENICALLY UNSATURATED 1,2-EPOXY-FREE MONOMER, SAID COPOLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 2000 AN ELONGATION AT BREAK OF AT LEAST 10%, AND AN OXIRANE OXYGEN CONTENT OF 0.033 TO 7% BY WEIGHT; AND A CURING AGENT FOR SAID 1,2-EPOXY-HYDROXY POLYETHER.
Claim 2
Dependent Claim
72 words
AN ADHESIVE COMPOSITION COMPRISING AN 1,2-EPOXYHYDROXY POLYETHER; 2 TO 45% BY WEIGHT, BASED ON SAID 1,2-EPOXY-HYDROXY POLYETHER, OF A FILM-FORMING COPOLYMER OF AN ETHYLENICALLY UNSATURATED 1,2-EPOXY MONOMER AND AT LEAST NE ETHYLENICALLY UNSATURATED 1,2-EPOXY-FREE MONOMER, SAID COPOLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 2000 AN ELONGATION AT BREAK OF AT LEAST 10%, AND AN OXIRANE OXYGEN CONTENT OF 0.033 TO 7% BY WEIGHT; AND A CURING AGENT FOR SAID 1,2-EPOXY-HYDROXY POLYETHER.
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |