Patent US3634348A successfully refreshed from Google Patents.
US3634348A
Expired / Lapsed
US
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Electrodepositable phosphate ester-polyepoxide emulsions
Assignee: Shell USA Inc
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Filing: 1969-05-09
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Granted: 1972-01-11
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Expires: 1989-05-09
Abstract
Abstract THE DISCLOSURE DESCRIBES AN ELECTRODEPOSITABLE EMULSION WHICH FORMS A FILM WHOSE THICKNESS IS SUBSTANTIALLY INDEPENDENT OF THE APPLIED POTENTIAL OR PH OF THE EMULSION BATH COMPRISING A MAJOR AMOUNT OF POLYEPOXIDE AND A MINOR AMOUNT OF A PHOSPHATE ESTER EMULSIFYING AGENT.
Inventors
- 👤 Melvin K Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:19
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/44; C09D5/4419; C09D5/4423; C09D5/4426; 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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |