US3784524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Urethane/thioether-containing polyene composition and the reaction product thereof
Assignee: WR Grace and Co
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Filing: 1971-06-25
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Granted: 1974-01-08
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Expires: 1991-06-25
Abstract
Abstract A URETHANE/THIOETHER-CONTAINING POLYENE COMPOSITION IS PREPARED AND IS CURED IN THE PRESENCE OF A FREE RADICAL GENERATOR, SUCH AD ULTRAVOILET IRRADIATION, AND A POLYTHIOL FORMS ODORLESS, SOLID, ELASTOMERIC PRODUCTS. THE CURED PRODUCTS MAY BE USED AS SEALANTS, COATINGS, ADHESIVES, SILVERLESS PHOTOGRAPHIC MATERIALS, PRINTING PLATES, AND MOLDED ARTICLES.
Inventors
- 👤 C Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:30
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/02; C08G75/04; C08G75/045; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/334; C08G65/3342; C08G75/12; G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/0275
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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |