Patent US3766119A successfully refreshed from Google Patents.
US3766119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water soluble alkyd resins from di(2 - hydroxyethoxyacetamido) alkylethanes
Assignee: Eastman Kodak Co
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Filing: 1972-03-22
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Granted: 1973-10-16
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Expires: 1992-03-22
Abstract
Abstract THIS INVENTIN RELATES TO A CURABLE, WATER-SOLUBLE ALKYD RESIN USEFUL IN AN IMPROVED PROTECTIVE COATING COMPOSITION. THE RESIN IS PRODUCED THROUGH THE POLYCONDENSATION OF DI(2-HYDROXYETHOXYACETAMIDO)ALKYLETHANES, ALIPHATIC POLYOLS HAVING AT LEAST THREE HYDROXYL GROUPS, AND ONE OR MORE POLYCARBOXYLIC ACIDS OR ANHYDRIDES HAVING AT LEAST TWO CARBOXYL GROUPS. IF DESIRABLE, A TRIOLETHERAMIDE SUCH AS N,N-BIS(2-HYDROXYETHYL)-2-HYDROXYETHOXYACETAMIDE MAY BE USED IN COMBINSATION WITH OR IN PLACE OF THE ALIPHATIC POLYOLS.
Inventors
- 👤 T Snapp
- 👤 K Albers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:50
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C08G69/00; C08G69/44
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) | 1976-10-15 | 1977-04-16 | 1977-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-15 | 1981-04-16 | 1981-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-15 | 1985-04-16 | 1985-10-16 | $7700.00 | Window Closed / Lapsed |