Patent US3663485A successfully refreshed from Google Patents.
US3663485A
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Process for the production of binders for aqueous coatings
Assignee: Reichhold Albert Chemie AG
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Filing: 1970-11-16
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Granted: 1972-05-16
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Expires: 1990-11-16
Abstract
Abstract THE INVENTION CONSISTS OF A METHOD OF MAKING A BINDER FOR AQUEOUS COATINS BASED ON PLASTICIZED, NEUTRALIZED RESIN I AND HEAT-CURING, WATER-SOLUBLE ON AT LEAST HYDROPHILIC, LOW-MOLECULAR ALDEHYDE CONDENSATION PRODUCTS II. THE PLASTICIZED RESINS I ARE NEW POLYETHESTERS RESINS WITH VALUABLE PROPERTIES. THE HEAT-CURING, WATER-SOLUBLE OR AT LEAST HYDROPHILIC, LOW-MOLECULAR ALDEHYDE CONDENSATION PRODUCT II ARE KNOWN IN THE ART.
Inventors
- 👤 Bernhard Broecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:33
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2603; C08G65/2606; C08G18/00; C08G18/06; C08G18/08; C08G18/0804; C08G18/0819; C08G18/0823; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/1494; C08G65/32; C08G65/329; C08G65/331; C08G65/332; C08G65/3322; C09; C09D; C09D163/00; C09D163/10; C09D5/00; C09D5/44; C09D5/4419; C09D5/4423; C09D5/4426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |