US2731437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diglycidyl thioethers of dithiols containing oxygen preparation and reaction products
Assignee: Union Carbide Corp
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Filing: 1953-04-29
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Granted: 1956-01-17
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Expires: 1973-04-29
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
2026-11-07 07:53
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/302; C07; C07D; C07D303/00; C07D303/02; C07D303/34; C08G75/00; C08G75/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
THE DIGLYCIDYL THIOETHERS OF FORMULA:
Claim 2
Dependent Claim
5 words
THE DIGLYCIDYL THIOETHERS OF 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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |