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Patent US3218244A successfully refreshed from Google Patents.
US3218244A
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Nickel electroplating bath containing a 1, 2-dichloropropene pyridinium or quinolinium brightener
Assignee: M&T Chemicals Inc
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Filing: 1963-02-01
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Granted: 1965-11-16
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Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Passal Frank
- 👤 Arthur J Tomson
- 👤 Warren R Doty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:28
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/18; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; C07D215/00; C07D215/02; C07D215/04; C07D215/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AN AQUEOUS ACID ELECTRODE BATH CONTAINING SOLUBLE NICKEL CONTAINING A SECONDARY BRIGHTENER OF MIRROW BRIGHT NICKEL CONTAINING A SECONDARY BRIGHTENER AND 0.005 G./L0.1 G/L. OF A PRIMARY BRIGHTENER, SAID PRIMARY BRIGHTENER CONTAINING A CATION HAVING THE STRUCTURE
Claim 2
Dependent Claim
37 words
AN AQUEOUS ACID ELECTRODE BATH CONTAINING SOLUBLE NICKEL CONTAINING A SECONDARY BRIGHTENER OF MIRROW BRIGHT NICKEL CONTAINING A SECONDARY BRIGHTENER AND 0.005 G./L0.1 G/L. OF A PRIMARY BRIGHTENER, SAID PRIMARY BRIGHTENER CONTAINING A CATION HAVING THE STRUCTURE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |