Patent US3778394A successfully refreshed from Google Patents.
US3778394A
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US
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Polymeric fatty acid polyamide modified with a rosin adduct
Assignee: General Mills Chemicals Inc
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Filing: 1972-08-24
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Granted: 1973-12-11
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Expires: 1992-08-24
Abstract
Abstract A POLYAMIDE RESIN-DICARBOXYLIC ACID OR ANHYDRIDE ADDUCT. THE DICARBOXYLIC ACID OR ANHYDRIDE COMPONENT IS SELECTED FROM MALEIC ACID, MALEIC ANHYDRIDE AND FUMARIC ACID. THE ADDUCTS HAVE UNIQUE PROPERTIES AS INK VARNISH BINDERS.
Inventors
- 👤 R Lovald
- 👤 D Glaser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:23
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/26; C08G69/34
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |