US2849416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Addition products of polyglycidyl ethers of phenolic resins and polythiols
Assignee: Union Carbide Corp
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Filing: 1952-07-12
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Granted: 1958-08-26
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Expires: 1972-07-12
Abstract
No abstract record available.
Inventors
- 👤 Howard L Bender
- 👤 Alford G Farnham
- 👤 John W Guyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:03
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/66; C08L; C08L63/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
13 words
AN EXOTHERMALLY REACTIVE COMPOSITION OF MATTER COMPRISING A DITHIOL COMPOUND OF THE STRUCTURE-
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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |