Patent US3073793A successfully refreshed from Google Patents.
US3073793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoset epoxy resin plasticized with a glycol ether-ester
Assignee: FMC Corp
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Filing: 1959-06-30
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Granted: 1963-01-15
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Expires: 1979-06-30
Abstract
No abstract record available.
Inventors
- 👤 Frank P Greenspan
- 👤 Jr Rupert E Light
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:11
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
PLASTICIZED, THERMOST RESINOUS PRODUCT, CONSISTING ESSENTIALLY OF (A) A THERMOSET RESIN FORMED BY REACTION OF A COMPLEX EPOXY RESIN HAVING EPOXY OXYGEN ATTACHED TO ADJACENT CARBON ATOMS ON TERMINAL 3 TO 6 CARBON ALKOXY GROUPS OF THE RESIN ONLY, WITH A CURING AGENT FOR SAID EPOXY RESIN, AND (B) AS AN EXTERNAL PLASTICIZER FOR THE THERMOSET RESIN ABOUT 5 TO 40 PARTS BY WEIGHT OF A GLYCOLETHER ESTER OF THE FOLLOWING FORMULA
Claim 2
Dependent Claim
72 words
PLASTICIZED, THERMOST RESINOUS PRODUCT, CONSISTING ESSENTIALLY OF (A) A THERMOSET RESIN FORMED BY REACTION OF A COMPLEX EPOXY RESIN HAVING EPOXY OXYGEN ATTACHED TO ADJACENT CARBON ATOMS ON TERMINAL 3 TO 6 CARBON ALKOXY GROUPS OF THE RESIN ONLY, WITH A CURING AGENT FOR SAID EPOXY RESIN, AND (B) AS AN EXTERNAL PLASTICIZER FOR THE THERMOSET RESIN ABOUT 5 TO 40 PARTS BY WEIGHT OF A GLYCOLETHER ESTER OF THE FOLLOWING FORMULA
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |