US3702836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer dispersions
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1970-07-06
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Granted: 1972-11-14
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Expires: 1990-07-06
Abstract
Abstract PHYSICAL PROPERTIES, E.G. GLOSS AND ADHESION, OF COATINGS OBTAINED FROM COATING COMPOSITIONS BASED ON DISPERSIONS OF FILM-FORMING THERMOPLASTIC NON-CROSSLINKABLE POLYMER IN ORGANIC LIQUID ARE IMPROVED WHEN THE STABILISER FOR THE DISPERSE PARTICLES OF POLYMER CONTAINS REACTIVE CROSSLINKABLE GROUPS WHICH ARE CROSSLINKED AT THE TIME OF APPLICATION OF THE COATING COMPOSITION BY A CROSSLINKING AGENT PRESENT IN THE ORGANIC LIQUID.
Inventors
- 👤 Derek John Walbridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:38
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/06; C08; C08F; C08F2/00; C08F2/04; C08F2/06; C08F2/08; C08G; C08G63/00; C08G63/02; C08G63/06; C09D7/00; C09D7/40; C09D7/45
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) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |