US3833529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-soluble alkyd resins and a process for their preparation
Assignee: Eastman Kodak Co
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Filing: 1972-03-24
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Granted: 1974-09-03
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Expires: 1992-03-24
Abstract
Abstract A CURABLE, WATER-SOLUBLE ALKYD RESIN WHICH IS USEFUL IN AN IMPROVED PROTECTIVE COATING COMPOSITION IS A POLYESTERAMIDE OF AT LEAST ONE POLYCARBOXYLIC ACID AND A POLYOL COMPONENT; THE POLYOL COMPONENT COMPRISING A SUBSTANTIAL AMOUNT OF N,N-BIS(2-HYDROXYALKYL)2-HYDROXYETHOXYACETAMIDE, AT LEAST ONE ADDITIONAL POLYHYDRIC ALIPHATIC OR CYCLOALIPHATIC ALCOHOL, AND A DIOL-ACID ALIBIS(HYDROXYMETHYL)PROPIONIC ACID.
Inventors
- 👤 K Albers
- 👤 A Blood
- 👤 T Snapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:23
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/44; C08G63/00; C08G63/68; C08G63/685; C08G63/6854
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) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |