US2524619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of nickel
Assignee: Udylite Corp
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Filing: 1945-07-09
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Granted: 1950-10-03
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Expires: 1965-07-09
Abstract
No abstract record available.
Inventors
- 👤 Brown Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:04
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A PROCESS OF ELECTRODEPOSITING NICKEL, THE, STEP WHICH COMPRISES ELECTROLYZING AN AQUEOUS ACID NICKEL SOLUTION CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF NICKEL SULPHATE, NICKEL CHLORIDE, AND MIXTURES THEREOF, SAID AQUEOUS SOLUTION ALSO HAVING DISSOLVED THEREIN IN A COMCENTRATION OF AT LEAST .05 GRAM PER LITER A SOLUBLE MONO-SULPHATE OF A WATER-SOLUBLE ALIPHATIC POLYHYDRIC ALCOHOL THE HYDROGEN OF AT LEAST ONE HYDROXY GROUP OF WHICH IS REPLACED BY AN ALKYL RADICAL CONTAINING FROM 8 TO 18 CARBONS ATOMS, THE SULPHATE GROUP BEING LINKED DIRECTLY TO AN HYDROXY GROUP OF THE ALIPHATIC POLYHYDRIC ALCOHOL.
Claim 2
Dependent Claim
98 words
IN A PROCESS OF ELECTRODEPOSITING NICKEL, THE, STEP WHICH COMPRISES ELECTROLYZING AN AQUEOUS ACID NICKEL SOLUTION CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF NICKEL SULPHATE, NICKEL CHLORIDE, AND MIXTURES THEREOF, SAID AQUEOUS SOLUTION ALSO HAVING DISSOLVED THEREIN IN A COMCENTRATION OF AT LEAST .05 GRAM PER LITER A SOLUBLE MONO-SULPHATE OF A WATER-SOLUBLE ALIPHATIC POLYHYDRIC ALCOHOL THE HYDROGEN OF AT LEAST ONE HYDROXY GROUP OF WHICH IS REPLACED BY AN ALKYL RADICAL CONTAINING FROM 8 TO 18 CARBONS ATOMS, THE SULPHATE GROUP BEING LINKED DIRECTLY TO AN HYDROXY GROUP OF THE ALIPHATIC POLYHYDRIC ALCOHOL.
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) | 1953-10-02 | 1954-04-03 | 1954-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-02 | 1958-04-03 | 1958-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-02 | 1962-04-03 | 1962-10-03 | $7700.00 | Window Closed / Lapsed |