US4293398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for cathodically electrodepositing polymers having tertiary amine oxide groups
Assignee: PPG Industries Inc
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Filing: 1980-10-23
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Granted: 1981-10-06
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Expires: 2000-10-23
Abstract
Abstract Polymer having tertiary amine oxide groups may be cathodically electrodeposited from aqueous electrodeposition baths.
Inventors
- 👤 Paul J. Prucnal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:09
CPC Classifications
C; C08; C08G; C08G85/00; C08G85/004; C08F; C08F8/00; C08F8/06; C08G59/00; C08G59/14; C08G59/1433; C08G59/1477; C09; C09D; C09D163/00; C09D5/00; C09D5/44; C09D5/4407; C09D5/4411; C09D5/4419; C09D5/443; C09D5/4434; C09D5/4442; C09D5/4488; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/14; C08F2810/00; C08F2810/50
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
47 words
In a method of electrocoating a conductive substrate serving as a cathode, which method comprises passing an electric current between an anode and said cathode in electrical contact with a water-dispersed composition, the improvement wherein said water-dispersed composition comprises cathodically electrodepositable polymer having tertiary amine oxide groups.
Claim 2
Dependent Claim
47 words
In a method of electrocoating a conductive substrate serving as a cathode, which method comprises passing an electric current between an anode and said cathode in electrical contact with a water-dispersed composition, the improvement wherein said water-dispersed composition comprises cathodically electrodepositable polymer having tertiary amine oxide groups.
Claim 3
Dependent Claim
14 words
The method of claim 1 wherein said cathodically electrodepositable polymer is an acrylic polymer.
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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) | 1984-10-05 | 1985-04-06 | 1985-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-05 | 1989-04-06 | 1989-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-05 | 1993-04-06 | 1993-10-06 | $7700.00 | Window Closed / Lapsed |