US3833533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous electrocoating solution from polyamide-acid resin
Assignee: General Electric Co
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Filing: 1972-06-21
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Granted: 1974-09-03
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Expires: 1992-06-21
Abstract
Abstract AQUEOUS SOLUTIONS OF POLYAMIDE ACIDS HAVING CHEMICALLY-COMBINED DIVALENT BENZENE CARBOXYLIC ACID AMIDE UNITS OF THE FORMULA -NH-CO-(4-Q-1,3-PHENYLENE)-CO-NH-Y- WHERE Q IS AN AMMONIUM OR ORGANIC AMINE NETRALIZED CARBOXY RADICAL AND Y IS A DIVALENT ORGANO RADICAL, CAN BE ELECTROCOATED ONTO AN ELECTROCONDUCTING SUBSTRATE TO PROVIDE FOR POLYAMIDEIMIDE FILMS HAVING VALUABLE INSULATING CHARACTERISTICS.
Inventors
- 👤 F Holub
- 👤 R Gaertner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:20
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/44; C09D5/4419; C09D5/4461
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 |