US2848433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymerized and cross-linked epoxide resins
Assignee: ARIES LAB Inc
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Filing: 1953-12-30
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Granted: 1958-08-19
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Expires: 1973-12-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Eirich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:46
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/10; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
A COMPOSITION OF MATTER CAPABLE OF SETTING TO AN INFUSIBLE RESIN UPON THE APPLICATION OF HEAT COMPRISING ABOUT 100 PARTS BY WEIGHT OF A RESINOUS POLYEPOXIDE PRODUCED BY REACTING A POLYHYDRIC PHENOL WITH AN EPIHALOHYDRIN, SAID POLYEPOXIDE HAVING A MOLECULAR WEIGHT FROM ABOUT 1500 TO ABOUT 3000, ABOUT 20 TO 40 PARTS BY WEIGHT OF A POLYCARBOXYLIC ACID ANHYDRIDE CONTAINING AN ETHYLENIC UNSATURATION, AND FROM 8 TO 12 PARTS BY WEIGHT OF AN ETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE WITH SAID ANHYDRIDE.
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) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |