US3652501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water soluble alkyd resins
Assignee: Eastman Kodak Co
•
Filing: 1970-05-28
•
Granted: 1972-03-28
•
Expires: 1990-05-28
Abstract
Abstract THIS INVENTION RELATES TO A CURABLE, WATER-SOLUBLE ALKYD RESIN USEFUL IN AN IMPROVED PROTECTIVE COATING COMPOSITION. THE RESIN IS A PLYESTERAMIDE OF AT LEAST ONE POLYCARBOXYLIC ACID AND AT LEAST ONE POLYHYDROXYALCOHOL, THE ALCOHOL COMPRISING A SUBSTANTIAL AMOUNT OF N,N-BIS(2HYDROXYETHYL)-2-HYDROXYETHOXYACETAMIDE AND PREFERABLY ONE ADDITIONAL POLYHDROXYALIPHATIC OR CYCLOALIPHATIC ALCOHOL, E.G. 1,4-CYCLOHEXANDE DIMETHANOL.
Inventors
- 👤 Kenneth H Albers
- 👤 Alden E Blood
- 👤 Thomas C Snapp Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:59
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/44; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C08G63/6858; C08L; C08L67/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-03-28 | 1975-09-27 | 1976-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-28 | 1979-09-27 | 1980-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-28 | 1983-09-27 | 1984-03-28 | $7700.00 | Window Closed / Lapsed |