US3714290A
Expired / Lapsed
US
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Chemically curable liquid polyene-polythiol polymer composition
Assignee: WR Grace and Co Conn
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Filing: 1971-06-25
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Granted: 1973-01-30
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Expires: 1991-06-25
Abstract
Abstract THE INVENTION DISCLOSED IS FOR A NEW CHEMICALLY CURABLE LIQUID POLYMER COMPOSITION WHICH INCLUDES A LIQUID POLYENE COMPONENT HAVING A MOLECULE CONTAINING AT LEAST TWO UNSATURATED CARBON-TO-CARBON BONDS DISPOSED AT TERMINAL POSITIONS ON A MAIN CHAIN BACKBONE OF THE MOLECULE, AND A POLYTHIOL COMPONENT HAVING A MOLECULE CONTAINING A MULTIPLICITY OF PENDANT OR TERMINALLY POSITIONED -SH FUNCTIONAL GROUPS PER AVERAGE MOLECULE. THE CHEMICALLY CURABLE LIQUID POLYMER COMPOSITION UPON CURING IN THE PRESENCE OF A CHEMICAL FREE RADICAL GENERATING REAGENT FORMS ODORLESS, SOLID, ELSTOMERIC PRODUCTS WHICH MAY SERVE AS SEALANTS, COATING, ADHESIVES, AND MOLDED ARTICLES.
Inventors
- 👤 C Kehr
- 👤 W Wszolek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:53
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/02; C08G75/04; C08G75/045; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/671; C08G18/6715; C08G18/70; C08G18/81; C08G18/8108; C08G18/83; C08G18/834; C08G18/835; C08G75/12; Y; Y10; Y10S; Y10S525/00; Y10S525/912; Y10S525/92; Y10S525/921; Y10S525/925; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31533; Y10T428/31551; Y10T428/31652; Y10T428/31663; Y10T428/31678; Y10T428/31692; Y10T428/31696; Y10T428/31699; Y10T428/31855; Y10T428/31931; Y10T428/31935
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |