Patent US3100756A successfully refreshed from Google Patents.
US3100756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition consisting essentially of a polyglycidyl ether and a liquid diepoxide and cured product
Assignee: Union Carbide Corp
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Filing: 1958-04-15
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Granted: 1963-08-13
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Expires: 1978-04-15
Abstract
No abstract record available.
Inventors
- 👤 John S Fry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:08
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/32; C08G59/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A COMPOSITION CONSISTING ESSENTIALLY OF A POLYGLYCIDYL ETHER OF A POLYPHENYLOL, SAID PHENYLOL HAVING 2X + 1 POLYPHENYLOL GROUPS IN ITS MOLECULE WHICH ARE LINKED TOGETHER BY X NUMBER OF UNSATURATED ALDEHYDE RESIDUUES HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
37 words
A COMPOSITION CONSISTING ESSENTIALLY OF A POLYGLYCIDYL ETHER OF A POLYPHENYLOL, SAID PHENYLOL HAVING 2X + 1 POLYPHENYLOL GROUPS IN ITS MOLECULE WHICH ARE LINKED TOGETHER BY X NUMBER OF UNSATURATED ALDEHYDE RESIDUUES HAVING THE GENERAL 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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |