US3002903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of nickel
Assignee: Hanson Van Winkle Munning Co
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Filing: 1958-09-26
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Granted: 1961-10-03
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Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
- 👤 Foulke Donald Gardner
- 👤 Kardos Otto
- 👤 Koretzky Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:32
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
THE PROCESS FOR PRODUCING BRIGHT NICKEL DEPOSITS WHICH COMPRISES ELECTRODEPOSITING NICKEL FROM AN AQUEOUS ACIDIC SOLUTION IN WHICH THERE IS DISSOLVED FROM ABOUT 1/4 TO ABOUT 80 GRAMS PER LITER OF A WATER-SOLUBLE SULFOOXYGEN COMPOUND OF THE GROUP CONSISTING OF UNSATURATED ALIPHATIC SULFONIC ACIDS, MONNUCLEAR AND BINUCLEAR AROMATIC SULFONIC ACIDS, HETEROCYCLIC SULFONIC ACIDS, MONONUCLEAR AROMATIC SULFINIC ACIDS, THE ALKALI METAL, AMMONIUM, MAGNESIUM, AND NICKEL SALTS OF SAID ACIDS, AND MONONUCLEAR AROMATIC SULFONAMIDES AND SULFONIMIDES, AND FROM ABOUT 1 TO ABOUT 25 MILLIMOLES PER LITER OF A WATER-SOLUBLE NISULFITE ADDITON PRODUCT OF AN A-SUBSTITUTED ACETYLENIC COMPOUND AND N TIMES AN EQUIVALENT WEIGHT OF A COMPOUND CAPABLE OF FORMING A CHAIN-CARRYING SULFITE RADICAL, WHERE N IS EQUAL TO THE NUMBER OF ACETYLENIC BONDS PER MOLECULE OF THE ACETYLENIC COMPOUND, SAID A-SUBSTITUTED ACETYLENIC COMPOUND CONTAINING THE STRUCTURAL CONFIGURATION
Claim 2
Dependent Claim
135 words
THE PROCESS FOR PRODUCING BRIGHT NICKEL DEPOSITS WHICH COMPRISES ELECTRODEPOSITING NICKEL FROM AN AQUEOUS ACIDIC SOLUTION IN WHICH THERE IS DISSOLVED FROM ABOUT 1/4 TO ABOUT 80 GRAMS PER LITER OF A WATER-SOLUBLE SULFOOXYGEN COMPOUND OF THE GROUP CONSISTING OF UNSATURATED ALIPHATIC SULFONIC ACIDS, MONNUCLEAR AND BINUCLEAR AROMATIC SULFONIC ACIDS, HETEROCYCLIC SULFONIC ACIDS, MONONUCLEAR AROMATIC SULFINIC ACIDS, THE ALKALI METAL, AMMONIUM, MAGNESIUM, AND NICKEL SALTS OF SAID ACIDS, AND MONONUCLEAR AROMATIC SULFONAMIDES AND SULFONIMIDES, AND FROM ABOUT 1 TO ABOUT 25 MILLIMOLES PER LITER OF A WATER-SOLUBLE NISULFITE ADDITON PRODUCT OF AN A-SUBSTITUTED ACETYLENIC COMPOUND AND N TIMES AN EQUIVALENT WEIGHT OF A COMPOUND CAPABLE OF FORMING A CHAIN-CARRYING SULFITE RADICAL, WHERE N IS EQUAL TO THE NUMBER OF ACETYLENIC BONDS PER MOLECULE OF THE ACETYLENIC COMPOUND, SAID A-SUBSTITUTED ACETYLENIC COMPOUND CONTAINING THE STRUCTURAL CONFIGURATION
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) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |