Patent US3804797A successfully refreshed from Google Patents.
US3804797A
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Coating compositions comprising cyclic sulfonium zwitterions with carboxy containing polymers
Assignee: Dow Chemical Co
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Filing: 1972-09-13
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Granted: 1974-04-16
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Expires: 1992-09-13
Abstract
Abstract DESIRABLE BINDER OR COATING COMPOSITIONS COMPRISE COMBINATIONS OF CYCLIC SULFONIUM ZWITTERIONS AND WATER-SOLUBLE OR ALCOHOL-SOLUBLE POLYMERS CONTAINING A PLURALITY OF CARBOXYLIC ACID GROUPS. PRINTING INKS INCORPORATE WATEROR ALCOHOL-SOLUBLE DYES OR WATER-DISPERSIBLE PIGMENTS WITH SUCH BINDER COMPOSITIONS. THE COMPOSITIONS CURE READILY TO PROVIDE WATER-RESISTANT, ADHERENT PRODUCTS WHEN DRIED.
Inventors
- 👤 W Broxterman
- 👤 D Schmidt
- 👤 S Evani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:18
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10
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) | 1977-04-15 | 1977-10-15 | 1978-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-15 | 1981-10-15 | 1982-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-15 | 1985-10-15 | 1986-04-16 | $7700.00 | Window Closed / Lapsed |