US3000799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel plating solutions
Assignee: Harshaw Chemical Co
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Filing: 1960-02-10
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Granted: 1961-09-19
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Expires: 1980-02-10
Abstract
No abstract record available.
Inventors
- 👤 Jack L Towle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:39
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN AQUEOUS ACID NICKEL PLATING SOLUTION COMPRISING A SOURCE OF NICKEL IONS SELECTED FROM THE CLASS CONSISTING OF NICKEL SULFATE, NICKEL CHLORIDE AND MIXTURES THEREOF, SAID SOLUTION ALSO CONTAINING COOPERATING ADDITIVES FOR ENHANCING THE BRIGHTNESS OF NICKEL DEPOSITS PRODUCED THEREIN, ONE OF SAID ADDITIVES BEING CHOSEN FROM THE CLASS CONSISTING OF AROMATIC SULFONATES, AROMATIC CULFONAMIDES, AROMATIC SULFIMIDES, ALIPHATIC SULFONATES AND SULFONIC ACIDS AND THE SECOND BEING CHOSEN FROM THE CLASS OF COMPOUNDS HAVING THE FORMULA R$-(CH2)N''-S(CH2)N-R'', WHERE N IS AN INTEGER FROM 1 TO 6, N'' IS AN INTEGER FROM 1 TO 6, R IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
103 words
AN AQUEOUS ACID NICKEL PLATING SOLUTION COMPRISING A SOURCE OF NICKEL IONS SELECTED FROM THE CLASS CONSISTING OF NICKEL SULFATE, NICKEL CHLORIDE AND MIXTURES THEREOF, SAID SOLUTION ALSO CONTAINING COOPERATING ADDITIVES FOR ENHANCING THE BRIGHTNESS OF NICKEL DEPOSITS PRODUCED THEREIN, ONE OF SAID ADDITIVES BEING CHOSEN FROM THE CLASS CONSISTING OF AROMATIC SULFONATES, AROMATIC CULFONAMIDES, AROMATIC SULFIMIDES, ALIPHATIC SULFONATES AND SULFONIC ACIDS AND THE SECOND BEING CHOSEN FROM THE CLASS OF COMPOUNDS HAVING THE FORMULA R$-(CH2)N''-S(CH2)N-R'', WHERE N IS AN INTEGER FROM 1 TO 6, N'' IS AN INTEGER FROM 1 TO 6, R IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US2830014A
Cited
US2910413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |