US3677907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Codeposition of a metal and fluorocarbon resin particles
Assignee: OMI International Corp
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Filing: 1969-06-19
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Granted: 1972-07-18
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Expires: 1989-06-19
Abstract
Abstract FINE PARTICLES OF FLUOROCARBON RESINS SUCH AS TEFLON PARTICLES CAN BE READILY CODEPOSITED WITH METALS WHEN THEY ARE DISPERSED IN AQUEOUS PLATING BATHS, WHEN THERE IS ALSO PRECENT IN THE BATHS A FLUOROCARBON SURFACTANT SUCH AS PERFLUORO N-OCTANOIC ACID, PERFLUORO N-OCTYL SULFONIC ACID, PERFLUORO P-ETHYL CYCLOHEXYL SULFONIC ACID, OR THEIR SALTS. SUCH 2-PHASE COMPOSITE PLATES HAVE GOOD ANTI-SEIZING AND ANTI-FRICTION PROPERTIES.
Inventors
- 👤 Henry Brown
- 👤 Thaddeus W Tomaszewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:13
CPC Classifications
C; C25; C25D; C25D15/00; C25D15/02
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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |