US2744845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorinated maleic adduct-ethoxyline resinous compositions
Assignee: General Electric Co
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Filing: 1952-08-22
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Granted: 1956-05-08
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Expires: 1972-08-22
Abstract
No abstract record available.
Inventors
- 👤 Rudoff Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:45
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08G59/4215; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31518; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3569; Y10T442/3585
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A COMPOSITION OF MATTER COMPRISING (1) A COMPLEX EPOXIDE RESIN COMPRISING A POLYETHER DERIVATIVE OF A POLYHYDRIC ORGANIC COMPOUND SAID DERIVATIVE CONTAINING 1,2 EPOXY GROUPS, SAID COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF POLYHYDRIC ALCOHOLS AND PHENOLS CONTAINING AT LEAST TWO PHENOLIC HYDROXY GROUPS AND (2) FROM 0.8 TO 1.2 EQUIVALENTS OF HEXACHLOROENDOMETHYLENETETRAHYDROPHTHALIC ANHYDRIDE FOR EACH EQUIVALENT OF EPOXIDE IN SAID EPOXIDE RESIN.
Claim 2
Dependent Claim
64 words
A COMPOSITION OF MATTER COMPRISING (1) A COMPLEX EPOXIDE RESIN COMPRISING A POLYETHER DERIVATIVE OF A POLYHYDRIC ORGANIC COMPOUND SAID DERIVATIVE CONTAINING 1,2 EPOXY GROUPS, SAID COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF POLYHYDRIC ALCOHOLS AND PHENOLS CONTAINING AT LEAST TWO PHENOLIC HYDROXY GROUPS AND (2) FROM 0.8 TO 1.2 EQUIVALENTS OF HEXACHLOROENDOMETHYLENETETRAHYDROPHTHALIC ANHYDRIDE FOR EACH EQUIVALENT OF EPOXIDE IN SAID EPOXIDE RESIN.
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) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |