US3674516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroless codeposition of nickel alloys
Assignee: Individual
•
Filing: 1970-11-27
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Granted: 1972-07-04
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Expires: 1990-11-27
Abstract
Abstract THE INVENTION RELATES TO A METHOD FOR ELECTROLESSLY DEPOSITING A NICKEL-TIN ALLOY LAYER AND FOR DEPOSITING A NICKEL-MOLYBDENUM ALLOY LAYER AND TO BATHS THEREFOR. THE ELECTROLESS PLATING BATH FOR NI-SN COMPRISES AN AQUEOUS SOLUTION CONTAINING NICKEL IONS, STANNATE IONS, SODIUM TARTRATE, SODIUM HYPOPHOSPHITE, GLYCINE AND SUFFICIENT KOH TO BRING THE BATH TO A PH OF ABOUT 13.5. THE ELECTROLESS PLATING BATH FOR NI-MO COMPRISES AN AQUEOUS SOLUTION CONTAINING NI IONS, GLYCINE, SODIUM HYPOPHOSPHITE, MOLYBDATE IONS, AND KOH TO BRING THE PH TO ABOUT 13.5.
Inventors
- 👤 Zlata Kovac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:05
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/48; C23C18/50
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |