US3211684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass-resin coupling composition
Assignee: De Bell and Richardson Inc
•
Filing: 1960-08-29
•
Granted: 1965-10-12
•
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
2026-10-24 23:45
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.
References Cited (Backward Citations)
US2799598A
Cited
US2865886A
Cited
US2843560A
Cited
GB816056A
Cited
US2819245A
Cited
US3023190A
Cited
US2974062A
Cited
US2931739A
Cited
US2970972A
Cited
US2948688A
Cited
US2912389A
Cited
US2946701A
Cited
US3018258A
Cited
US2965609A
Cited
US3032460A
Cited
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 |