US3697397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High energy curable liquid polyene-polythiol polymer composition
Assignee: WR Grace and Co
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Filing: 1971-06-25
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Granted: 1972-10-10
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Expires: 1991-06-25
Abstract
Abstract THE INVENTION DISCLOSED IS FOR A NEW HIGH ENERGY CURABLE LIQUID POLYMER COMPOSITION WHICH INCLUDES A LIQUID POLYENE COMPONENTS HAVING A MOLECULE CONTAING AT LEAST TWO UNSATURATED CARBON-TO-CARBON BONDS DISPOSED AT TERMINAL POSITIONS ON A MAIN CHAIN BACKBONE OF THE MOLECULE, AND A POLYTHIOL COMPONENTS HAVING A MOLECULE CONTAINING A MULTIPLICITY OF PENDENT OR TERMINALLY POSITIONED -SH FUNCTIONAL GROUPS PER AVERAGE MOLECULE. THE HIGH ENERGY CURABLE LIQUID POLYMER COMPOSITION UPON CURING IN THE PRESENCE OF HIGH ENERGY IRRADIATION FORMS ODORLESS, SOLID, ELASTOMERIC PRODUCTS WHICH MAY SERVE AS SEALANTS, COATINGS, ADHESIVES, AND MOLDED ARTICLES.
Inventors
- 👤 Clifton L Kehr
- 👤 Walter R Wszolek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:46
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
Claims Analysis
Total Claims: 0
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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) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |