US3634372A
Expired / Lapsed
US
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Vinyl interpolymer compositions containing pendant polyamine groups
Assignee: Dow Chemical Co
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Filing: 1969-07-10
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Granted: 1972-01-11
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Expires: 1989-07-10
Abstract
Abstract VINYL INTERPOLYMERS WITH IMPROVED STABILITY IN SOLUTION AND OF PARTICULAR USE IN ADHESIVES AND COATINGS ARE PREPARED BY REACING AN ALKYLENIMINE OR AN N-(AMINOALKYL) ALKYLENIMINE WITH A COPOLYMER CONTAINING PENDANT CARBOXYLIC ACID GROUPS. THE IMPROVED STABILITY OF THE VINYL INTERPOLYMER SOLUTIONS IS RELATED TO CONDUCTING THE ABOVE REACTION AT A TEMPERATURE BETWEEN ABOUT 50* AND 100*C.
Inventors
- 👤 Russell T Mcfadden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:40
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/30
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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |