US3796770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-soluble coating compositions
Assignee: Allnex Austria GmbH
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Filing: 1971-07-08
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Granted: 1974-03-12
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Expires: 1991-07-08
Abstract
Abstract COATING COMPOSITIONS CHARACTERIZED IN THAT THEY ARE WATER-SOLUBLE UPON NEUTRALIZATION COMPRISING (A) A REACTION PRODUCT OF A DIENE POLYMER AND A ALPHA, BETAETHYLENICALLY UNSATURATED CARBOXYLIC ACID AND/OR A DICARBOXYLIC ACID AND/OR AN ANHYDRIDE AND/OR A DIESTER AND/OR A SEMI-AMIDE THEREOF, WHEREIN UP TO ABOUT 70 PERCENT OF THE CARBOXYL GROUPS ARE REACTED WITH A MONOHYDRIC ALCOHOL; AND (B) A HEAT-REACTIVE CONDENSATION PRODUCT OF FORMALDEHYDE WITH PHENOL CARBOXYLIC ACIDS ARE DESCRIBED. THE COMPOSITIONS, WHILE BEING QUICK DRYING, HAVE A LOW SENSITIVITY TO AIR OXIDATION.
Inventors
- 👤 H Verdino
- 👤 W Daimer
- 👤 G Klintschar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:14
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/04; C09D161/06; C08; C08C; C08C19/00; C08C19/28; C09D113/00; C09D113/02; C09D161/34; C09D5/00; C09D5/44; C09D5/4403
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) | 1977-03-11 | 1977-09-10 | 1978-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-11 | 1981-09-10 | 1982-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-11 | 1985-09-10 | 1986-03-12 | $7700.00 | Window Closed / Lapsed |