Patent US3211684A successfully refreshed from Google Patents.
US3211684A
Expired / Lapsed
US
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Glass-resin coupling composition
Assignee: De Bell and Richardson Inc
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Filing: 1960-08-29
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Granted: 1965-10-12
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Expires: 1980-08-29
Abstract
No abstract record available.
Inventors
- 👤 William J Eakins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:26
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/36; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/24; C08G59/40; C08G59/4007; C08G59/4085; C08G59/50; C08G59/5046; C08G59/5053; C08G59/5073; C08G59/62; C08G59/64; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
GLASS RESIN COUPLING COMPOSITION IN THE FORM OF AN AQUEOUS SOLUTION HAVING A TOTAL SOLIDS CONTENT OF FROM 0.5 TO 15% BY WEIGHT CONSISTING ESSENTIALLY OF AN AMINO ALKYL ALKOXY SILANE, A REACTIVE AMINE CURING AGENT SELECTED FROM THE GROUP CONSISTING OF 1-PIPERAZINE ETHANOL, 1,4PIPERAZINE DIETHANOL AND PIPERAZINE, AND A BIREACTIVE POLYEPOXIDE SELECTED FROM THE GROUP CONSISTING OF VINYL CYCLOHEXENE DIOXIDE AND LIMONENE DIOXIDE, SAID SOLUTION CONTAINING BETWEEN .2 AND .8 MOL OF THE AMINE CURING AGENT FOR EACH MOL OF THE POLYEPOXIDE, WHEREBY THE AMINE PROMOTES ONLY PARTIAL CURE OF THE POLYEPOXIDE ON THE SURFACE OF THE GLASS AND ALSO PROVIDES UNREACTED EXPOXIDE GROUPS FOR SUBSEQUENT REACTION WITH A BONDING RESIN.
Claim 2
Dependent Claim
112 words
GLASS RESIN COUPLING COMPOSITION IN THE FORM OF AN AQUEOUS SOLUTION HAVING A TOTAL SOLIDS CONTENT OF FROM 0.5 TO 15% BY WEIGHT CONSISTING ESSENTIALLY OF AN AMINO ALKYL ALKOXY SILANE, A REACTIVE AMINE CURING AGENT SELECTED FROM THE GROUP CONSISTING OF 1-PIPERAZINE ETHANOL, 1,4PIPERAZINE DIETHANOL AND PIPERAZINE, AND A BIREACTIVE POLYEPOXIDE SELECTED FROM THE GROUP CONSISTING OF VINYL CYCLOHEXENE DIOXIDE AND LIMONENE DIOXIDE, SAID SOLUTION CONTAINING BETWEEN .2 AND .8 MOL OF THE AMINE CURING AGENT FOR EACH MOL OF THE POLYEPOXIDE, WHEREBY THE AMINE PROMOTES ONLY PARTIAL CURE OF THE POLYEPOXIDE ON THE SURFACE OF THE GLASS AND ALSO PROVIDES UNREACTED EXPOXIDE GROUPS FOR SUBSEQUENT REACTION WITH A BONDING 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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |