US3170854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bright nickel plating bath containing a pyridinium or quinolinium phosphate brightener and method of electroplating therewith
Assignee: Sarki Research and Development Corp
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Filing: 1963-03-18
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Granted: 1965-02-23
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Kroll Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:46
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/18; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/553; C07F9/576; C07F9/58; C07F9/60; C07F9/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A BATH FOR PRODUCING BRIGHT NICKEL DEPOSITS COMPRISING AN AQUEOUS ACID SOLUTION OF AT LEAST ONE SOLUBLE NICKEL SALT, 0.2 TO 50 GRAMS PER LITER OF AT LEAST ONE ORGANIC SULFUR COMPOUND SELECTED FROM THE GROUP CONSISTING OF UNSATURATED ALIPHATIC SULFONIC ACIDS, AROMATIC SULFONIC ACIDS, AROMATIC SULFONAMIDES AND SULFINIMIDES, AND 0.001 TO 0.30 GRAM PER LITER OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
67 words
A BATH FOR PRODUCING BRIGHT NICKEL DEPOSITS COMPRISING AN AQUEOUS ACID SOLUTION OF AT LEAST ONE SOLUBLE NICKEL SALT, 0.2 TO 50 GRAMS PER LITER OF AT LEAST ONE ORGANIC SULFUR COMPOUND SELECTED FROM THE GROUP CONSISTING OF UNSATURATED ALIPHATIC SULFONIC ACIDS, AROMATIC SULFONIC ACIDS, AROMATIC SULFONAMIDES AND SULFINIMIDES, AND 0.001 TO 0.30 GRAM PER LITER OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF:
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |