US3575826A
Expired / Lapsed
US
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Method and composition for electroplating tin
Assignee: Conversion Chemical Corp
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Filing: 1968-10-16
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Granted: 1971-04-20
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Expires: 1988-10-16
Abstract
Abstract AN AQUEOUS BATH FOR ELECTROPLATING TIN UPON METAL SURFACES CONTAINS STANNOUS ION, SULFATE RADICAL, A SURFACEACTIVE SULFATED POLYOXYALKYL CARBINAMINE AND AN IMIDAZOLINE DERIVATIVE. THE BATH HAS A HYDROGEN ION CONCENTRA TION OF ABOUT 0.9 TO 4.1 GRAMS PER LITER, AND IT OPERATES EFFECTIVELY EVER A WIDE RANGE OF CURRENT DENSITIES TO PRODUCE DESIRABLE DEPOSITS AT RELATIVELY HIGH PLATING RATES.
Inventors
- 👤 Kenneth P Bellinger
- 👤 Joseph F Conoby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:42
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/30; C25D3/32; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/12; C07D233/14
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |