US3733213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroless plating of plastics and fibers
Assignee: Coppertech Inc
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Filing: 1970-12-31
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Granted: 1973-05-15
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Expires: 1990-12-31
Abstract
Abstract NYLON DACRON OR OTHER FIBERS OF RABRIC IS PLATED BY FIRST DEGREASING THE FIBRIC WITH AN ORGANIC SOLVENT SUCH AS METHYL ETHYL KETONE, THE FIBRIC IS THEN IMMERSED IN A NOVEL NON-AQUEOUS SOLUTION WHICH SIMULTANEOUSLY FURTHER DEGREASES, CLEANS AND WETS, ETCHES AND INITIATED SENSITIZATION OF THE SURFACE O THE FABRIC FIBERS, THE FABRIC IS THEN RINSED AFTER WHICH IT IS DEGLAZED BY IMMERSION IN AN OXIDIZING SOLUTION, RINSED, IMMERSED IN AMMONIA SOLUTION, TREATED IN A NOVEL SENSITIZING SOLUTION, ACTIVATED IN A NOVEL ACTIVATING SOLUTION, RINSED AND PLATED IN A NOVEL NICKEL OR COPPER PLATING SOLUTION. THE FABRIC MAY BE FURTHER PLATED BY ELECTROPLATING TECHNIQUES.
Inventors
- 👤 G Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:42
CPC Classifications
D; D06; D06Q; D06Q1/00; D06Q1/04; C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/2006; C23C18/2046; C23C18/2073; C23C18/2086; C23C18/28; C23C18/285; C23C18/30; D06M; D06M11/00; D06M11/83; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
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) | 1976-05-14 | 1976-11-13 | 1977-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-14 | 1980-11-13 | 1981-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-14 | 1984-11-13 | 1985-05-15 | $7700.00 | Window Closed / Lapsed |