US3709727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metalizing substrates
Assignee: Occidental Chemical Corp
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Filing: 1971-04-30
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Granted: 1973-01-09
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Expires: 1991-04-30
Abstract
Abstract AN IMPROVEMENT IN THE CONDUCTIVITY OF SUBSTRATES PERTICULARLY THERMOPLASTICC RE RESINS AND POLYMERS, WHICH ARE PLATED WITH METALS BY PRE-TREATMENT OF THE SUBSTRATE WITH PHOSPHORUS AND/OR LOW OXIDATION STATE PHOSPHORUS COMPOUNDS USUALLY IN AN ORGANIC SOLVENT TO DEPOSIT PHOSPHORUS AND/OR PHOSPHORUS COMPOUNDS AT THE SURFACE, FOLLOWED BY CONTACTING THE TREATED SUBSTRATE WITH A METAL SALT OR COMPLEX THEREOF, IS PRODUCED BY THE ADDITION OF CESIUM TO THE METAL SALT OR COMPLEX THEREOF. THE RESULTING TREATED SUBSTRATE CAN BE READILY CHEMICALLY PLATED AND/OR ELECTROPLATED BY CONVENTIONAL TECHNIQUES.
Inventors
- 👤 G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:02
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/2006; C23C18/2046; C23C18/2073; C23C18/2086; C23C18/1851; C23C18/1872; C23C18/1886; C23C18/1893; C23C18/2026; C23C18/2033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |