Coating compositions for electrodeposition
Abstract
Abstract THE PRESENT INVENTION RELATES TO COATING COMPOSITONS WHICH MAY BE DEPOSITED ONTO CATHODES AND ARE THUS SUITABLE FOR ELECTROCOATING PROCESSES. THE COMPOSITIONS COMPRISE COPOLYMERS CONTAINING POLYMERIZED UNITS OF (1) AT LEAST ONE NITROGEN-BASIC OLEFINICALLY UNSATURATED COMPOUND, (2) 3A,4,5,6,7A-HEXAHYDRO-4,7-METHANOINDENYL ACRYLATE-5 OR METHACRYLATE-5, (3) AT LEAST ONE COPOLYMERIZABLE OLEFINICALLY UNSATURATED DERIVATIVE OF AT LEAST ONE OXA-ALCOHOL AND, IF DESIRED, (4) FURTHER COPOLYMERIZABLE OLEFINICALLY UNSATURATED MONOMERS, WHICH COPOLYMERS ARE USED FOR ELECTROCOATING IN AQUEOUS SOLUTION OR DISPERSION AT LEAST PARTLY IN THE FORM OF SALTS OF WATER-SOLUBLE ACIDS. THE COMPOSITIONS OF THE INVENTION ARE SUITABLE FOR THE PRODUCTION OF DURABLE COATINGS ON METAL PARTS.
Inventors
- 👤 Matthias Marx
- 👤 Bad Durkheim
- 👤 Ernst Becker
- 👤 Herbert Spoor
Bibliographic Details
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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) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |