US3576906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin providing compositions comprising a reaction product of an epihalohydrin polymer and a mercapto-alkanol
Assignee: Dow Chemical Co
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Filing: 1968-10-25
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Granted: 1971-04-27
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Expires: 1988-10-25
Abstract
Abstract A RESINOUS MATERIAL IS PRODUCED BY REACTING A MERCAPTOALKANOL WITH EPIHALOHYDRIN POLYMERS OR EPIHALOHYDRIN COPOLYMERS IN THE PRESENCE OF A BASE. THE PRODUCT OF THESEACTION ARE USEFUL AS RESIN INTERMEDIATES. EPICHLOROHYDRIN COPOLYMER-MERCAPTO ALKANOL LPRODUCTS ARE USEFUL AS PROTECTIVE COLLOIDS FOR AQUEOUS DISPERSIONS OF SYNTHETIC RESINS. THEY CAN BE REACTED WITH AMINOPLAST RESINS TO PRODUCE THERMOSET RESINS AND THEY CAN BE REACTED WITH POLYISOCYANATES TO PRODUCE POLYURETHANE RESINS AND FOAMS.
Inventors
- 👤 Richard A Hickner
- 👤 Hugh A Farber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:34
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J3/05; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5072; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/334; C08G65/3342; C08J2329/00; C08J2329/02; C08J2329/04
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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) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |