Process of metal plating plastics
Abstract
Abstract PROCESS FOR INCREASING THE ADHESION OF METAL PLATING TO A SURFACE OF A POLYMERIC SUBSTRATE WHICH COMPRISES INCORPORATING IN SAID POLYMER A SUFFICIENT AMOUNT UP TO AND INCLUDING TWO PERCENT BY WEIGHT, OF A LOW MOLECULAR WEIGHT ORGANIC COMPOUND, SAID LOW MOLECULAR WEIGHT COMPOUND HAS A MINIMUM OXIDATION RATE OF AT LEAST ABOUT TWENTY TIMES THE OXIDATION RATE OF STEARIC ACID; THEREAFTER SUFFICIANTLY OXIDIZING A SURFACE OF THE POLYMERIC SUBSTRATE TO OXIDIZE SAID ORGANIC COMPOUND THEREAT; AND THEREAFTER METAL PLATING SAID OXIDIZED SURFACE OF SAID SUBSTRATE TO PRODUCE A METAL PLATED SUBSTRATE IN WHICH THE METAL PLATING THEREON HAS A MINIMUM PEEL STRENGTH OF 5. METAL PLATED PLASTIC ARTICLES PRODUCED BY THIS PROCESS ARE DESCRIBED.
Inventors
- 👤 Frederick L Baier
- 👤 Fred H Ancker
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |