US3342775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coprecipitation of epoxies with crosslinking agents
Assignee: General Mills Inc
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Filing: 1964-04-16
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Granted: 1967-09-19
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Expires: 1984-04-16
Abstract
No abstract record available.
Inventors
- 👤 Aelony David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:07
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; C08J3/14; C08J2363/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
PROCESS OF PREPARING AN INITIMATELY MIXED FINELY DIVIDED MITURE OF SOLID EPOXY RESIN CONTAINING 1.2 EPOXIDE GROUPS AND A CURING AGENT THEREFOR WHICH IS UNREACTIVE TOWARD SAID EPOXY GROUP OF ROOM TEMPERATURE WHICH COMPRISES PREPARING A SOLUTION OF SAID EPOXY RESIN AND CURING AGENT IN A SOLVENT INERT TO THE EPOXY RESIN AND CURING AGENT AND ADDING TO SAID SOLUTION A NON-SOLVENT FOR SAID EPOXY RESIN AND CURING AGENT WHICH NON-SOLVENT IS UNREACTIVE TOWARD SAID EPOXY RESIN AND SAID CURING AGENT AND WHICH IS MISCIBLE WITH SAID SOLVENT, IN A QUANTITY SUFFICIENT TO PRECIPITATE SAID EPOXY RESIN AND CURING AGENT IN THE FORM OF A FINE POWDER, AND RECOVERING SAID POWDER.
Claim 2
Dependent Claim
111 words
PROCESS OF PREPARING AN INITIMATELY MIXED FINELY DIVIDED MITURE OF SOLID EPOXY RESIN CONTAINING 1.2 EPOXIDE GROUPS AND A CURING AGENT THEREFOR WHICH IS UNREACTIVE TOWARD SAID EPOXY GROUP OF ROOM TEMPERATURE WHICH COMPRISES PREPARING A SOLUTION OF SAID EPOXY RESIN AND CURING AGENT IN A SOLVENT INERT TO THE EPOXY RESIN AND CURING AGENT AND ADDING TO SAID SOLUTION A NON-SOLVENT FOR SAID EPOXY RESIN AND CURING AGENT WHICH NON-SOLVENT IS UNREACTIVE TOWARD SAID EPOXY RESIN AND SAID CURING AGENT AND WHICH IS MISCIBLE WITH SAID SOLVENT, IN A QUANTITY SUFFICIENT TO PRECIPITATE SAID EPOXY RESIN AND CURING AGENT IN THE FORM OF A FINE POWDER, AND RECOVERING SAID POWDER.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |