US3575902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of acid resin i
Assignee: EIDP Inc
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Filing: 1968-04-24
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Granted: 1971-04-20
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Expires: 1988-04-24
Abstract
Abstract A PAINT BATH COMPOSITION FOR ELECTRODEPOSITION OF PAINT UPON AN ANODE COMPRISING AN AQUEOUS DISPERSION OF PARTICULATE PIGMENT, A WATER SOLUBLE BASE, AND A POLYCARBOXYLIC ACID RESIN HAVING OLEFINICALLY UNSATURATED SIDE CHAINS AND FORMED BY FIRST REACTING A POLYHYDROXYLATED POLYMER WITH AN OLEFINICALLY UNSATURATED, ACYCLIC, CARBOXYLIC ACID OF ABOUT 18 CARBON ATOMS, REACTING THE RESULTING RESIN WITH TRIMELLITIC ANHYDRIDE AND SUBSEQUENTLY REACTING THE RESULTANT ACID RESIN WITH A POLYOLEFIN GLYCOL HAVING A MOLECULAR WEIGHT IN EXCESS OF ABOUT 200.
Inventors
- 👤 Ivan H Tsou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:42
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/44; C09D5/4419; C09D5/4423; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/46; C08G63/48; C08G63/66; C08G63/668; C09D167/00; C09D5/4426; C09D5/4484; Y; Y10; Y10S; Y10S524/00; Y10S524/901
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |