US3561995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of activating a polymer surface and resultant article
Assignee: M&T Chemicals Inc
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Filing: 1967-04-03
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Granted: 1971-02-09
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Expires: 1987-04-03
Abstract
Abstract ACTIVATED POLYMER SURFACES ADAPTABLE FOR THE ACCEPTANCE OF METAL DEPOSISTS ARE PREPARED BY CONTACTING A CLEAN, NON-ACTIVE UNCONDITIONED POLYMER SURFACE WITH A LIQUID ACTIVATING COMPOSITION CONTAINING AT LEAST ONE REACTIVE CONDITIONING AGENT SELECTED FROM A ACIDIC MEDIUM, SALTS OF AN ACIDIC MEDIUM, A METAL HYDROXIDE, A METAL OXIDE, AND AN OXYGEN-CONTAINING ORGANIC MEDIUM IN COMBINATION WITH AT LEAST ONE ION OF A METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM, PALLADIUM, SILVER, GOLD, IRON, NICKEL, COBALT, COPPER, AND RHODIUM.
Inventors
- 👤 Sidney Hsi-Lin Wu
- 👤 Edgar John Seyb Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:01
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/28; Y; Y10; Y10T; Y10T428/00; Y10T428/31; Y10T428/31504; Y10T428/31855; Y10T428/31935
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |