US3287303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy resin-amine complex adhesive composition and process of preparing same
Assignee: Tile Council of America Inc
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Filing: 1964-06-24
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Granted: 1966-11-22
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Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Herman B Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:03
CPC Classifications
C; C08; C08L; C08L63/00; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/5093; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN EPOXY RESIN BONDING COMPOSITION ADAPTED TO BE HARDENED AT ROOM TEMPERATURE WHICH COMPRISES: (A) AN EPOXY RESIN IN ADMIXTURE WITH A STABLE POLYAMINE METAL-SALT COMPLEX EPOXY RESIN HARDENER, SAID EPOXY RESIN HAVING AT LEAST TWO FUNCTIONAL EPOXY GROUPS CAPABLE OF ENTERING INTO A CROSS-LINKING REACTION WITH AMINO NITROGEN, A SOLID FINELY DIVIDED, INERT CARRIER; SAID STABLE POLYAMINE-METAL SALT COMPLEX EPOXY RESIN HARDNER BEING THE REACTION PRODUCT OF AN ALIPHATIC POLYAMINE CONTAINING AT LEAST TWO AMINO NITROGENS ATTACHED TO ALIPHATIC CARBON ATOMS AND A METAL SALT OF AN ACID, SAID METAL SALT BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF HALIDES, NITRATES, SULFATES AND PHOSPHATES, THE METAL CATION OF WHICH IS CAPABLE OF FORMING A STABLE COMPLEX WITH THE AMINO GROUPS OF THE POLYAMINE; AND IS SELECTED FROM THE GROUP CONSISTING OF CALCIUM, ZINC, COPPER, SILVER AND NICKEL; SAID EPOXY RESIN AND SAID EPOXY RESIN HARDENER BEING MIXED IN SUBSTANTIALLY STOICHIOMETRIC PROPORTIONS; AND (B) BETWEEN ABOUT 5 AND 30 PERCENT BY WEIGHT OF WATER BASED ON THE WEIGHT OF THE EPOXY RESIN AND HARDENER ADMIXTURE.
Claim 2
Dependent Claim
176 words
AN EPOXY RESIN BONDING COMPOSITION ADAPTED TO BE HARDENED AT ROOM TEMPERATURE WHICH COMPRISES: (A) AN EPOXY RESIN IN ADMIXTURE WITH A STABLE POLYAMINE METAL-SALT COMPLEX EPOXY RESIN HARDENER, SAID EPOXY RESIN HAVING AT LEAST TWO FUNCTIONAL EPOXY GROUPS CAPABLE OF ENTERING INTO A CROSS-LINKING REACTION WITH AMINO NITROGEN, A SOLID FINELY DIVIDED, INERT CARRIER; SAID STABLE POLYAMINE-METAL SALT COMPLEX EPOXY RESIN HARDNER BEING THE REACTION PRODUCT OF AN ALIPHATIC POLYAMINE CONTAINING AT LEAST TWO AMINO NITROGENS ATTACHED TO ALIPHATIC CARBON ATOMS AND A METAL SALT OF AN ACID, SAID METAL SALT BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF HALIDES, NITRATES, SULFATES AND PHOSPHATES, THE METAL CATION OF WHICH IS CAPABLE OF FORMING A STABLE COMPLEX WITH THE AMINO GROUPS OF THE POLYAMINE; AND IS SELECTED FROM THE GROUP CONSISTING OF CALCIUM, ZINC, COPPER, SILVER AND NICKEL; SAID EPOXY RESIN AND SAID EPOXY RESIN HARDENER BEING MIXED IN SUBSTANTIALLY STOICHIOMETRIC PROPORTIONS; AND (B) BETWEEN ABOUT 5 AND 30 PERCENT BY WEIGHT OF WATER BASED ON THE WEIGHT OF THE EPOXY RESIN AND HARDENER ADMIXTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |