US3734968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclohexyl thiol-dienes
Assignee: Dow Chemical Co
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Filing: 1970-11-16
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Granted: 1973-05-22
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Expires: 1990-11-16
Abstract
Abstract (CYCLOHEXENYL)-C(-R)=CH-R'' AND SH-(CH2)(1-2)-CH(-R")-SH C(-R''))N-S-(CH2)(1-2)-CH(-R")-SH WHEREIN N IS 1-5, ONE OR R AND R'' IS HYDROGEN AND THE OTHER IS HYDROGEN OR METHYL, AND R" IS HYDROGEN OR METHYL, WITH THE AVERAGE MOLECULAR WEIGHT OF PRODUCT NOT ABOVE ABOUT 700, ILLUSTRATIVELY, ETHANEDITHIOL REACTS WITH 4-VINYLCYCLOHEXENE TO YIELD A PRODUCT IN WHICH ON AVERAGE 1.N.3. THE PRODUCTS RE LIQUIDS OF LOW VISCISITY ADAPTED TO BE USED AS CURING AGENTS FOR VARIOUS PLASTICS INCLUDING EPOXY RESINS.
Inventors
- 👤 R Hickner
- 👤 E Goss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C07; C07C; C07C323/00; C08G; C08G75/00; C08G75/02; C08G75/04; C08G75/045; C08L; C08L63/00; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |