US2852449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of nickel
Assignee: Udylite Research Corp
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Filing: 1957-09-13
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Granted: 1958-09-16
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Expires: 1977-09-13
Abstract
No abstract record available.
Inventors
- 👤 Donald H Becking
- 👤 Brown Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:05
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A BATH FOR ELECTRODEPOSITING BRIGHT, DUCTILE NICKEL PLATE WHICH COMPRISES AN AQUEOUS ACIDIC SOLUTION CONTAINING AT LEAST ONE ELECTROCLYTE SELECTED FROM THE GROUP CONSISTING OF NICKEL SULFATE, NICKEL CHLORIDE, NICKEL FLUOBORATE AND NICKEL SULFAMATE, AND HAVING DISSOLVED THEREIN ABOUT 0.1 GRAM/LITER TO SATURATION OF AT LEAST ONE ORGANIC SULFONCOMPOUND SELECTED FROM THE CLASS CONSISTING OF BENZENE, BIPHENYL AND NAPHTHALENE SULFONIC ACIDS, SULFONOMIDES AND SULFONIMIDES AND THE MIXED PHENYL, BIPHENYL AND NAPHTHYL SULFONIMIDES AND THE MONO-, DI-, TRI, AND TETRASULFONIMIDES THEREOF, AND DIBENZENE SULFONIMIDES AND THE HALOGEN, MEYTHYL, AND ALDEHYDO DERIVATIVES OF SAID SULFONIC ACIDS, SULFONAMIDES AND SULFONIMIDES, AND BETA UNSATURATED ALKENE AND ALKYNE SULFONIC ACIDS HAVING 4-2 CARBON ATOMS, AND ABOUT 0.002 TO ABOUT 0.5 GRAM/ITER OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF VINYL SUBSTITUTED M-DIOXANE, AND D-VINYL SUBSTITUTED BI(M-DIOXANE), AND DERIVATIVES THEREOF, IN WHICH DERIVATIVES THE M-DIOXANE RING IS SUBSTITUTED WITH A RADICAL SELECTED FROM THE GROUP CONSISTING OF CHLORO, BROMO, HYDROXY, METHOXY, ETHOXY AND HYDROXY-ETHOXY RADICALS.
Claim 2
Dependent Claim
160 words
A BATH FOR ELECTRODEPOSITING BRIGHT, DUCTILE NICKEL PLATE WHICH COMPRISES AN AQUEOUS ACIDIC SOLUTION CONTAINING AT LEAST ONE ELECTROCLYTE SELECTED FROM THE GROUP CONSISTING OF NICKEL SULFATE, NICKEL CHLORIDE, NICKEL FLUOBORATE AND NICKEL SULFAMATE, AND HAVING DISSOLVED THEREIN ABOUT 0.1 GRAM/LITER TO SATURATION OF AT LEAST ONE ORGANIC SULFONCOMPOUND SELECTED FROM THE CLASS CONSISTING OF BENZENE, BIPHENYL AND NAPHTHALENE SULFONIC ACIDS, SULFONOMIDES AND SULFONIMIDES AND THE MIXED PHENYL, BIPHENYL AND NAPHTHYL SULFONIMIDES AND THE MONO-, DI-, TRI, AND TETRASULFONIMIDES THEREOF, AND DIBENZENE SULFONIMIDES AND THE HALOGEN, MEYTHYL, AND ALDEHYDO DERIVATIVES OF SAID SULFONIC ACIDS, SULFONAMIDES AND SULFONIMIDES, AND BETA UNSATURATED ALKENE AND ALKYNE SULFONIC ACIDS HAVING 4-2 CARBON ATOMS, AND ABOUT 0.002 TO ABOUT 0.5 GRAM/ITER OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF VINYL SUBSTITUTED M-DIOXANE, AND D-VINYL SUBSTITUTED BI(M-DIOXANE), AND DERIVATIVES THEREOF, IN WHICH DERIVATIVES THE M-DIOXANE RING IS SUBSTITUTED WITH A RADICAL SELECTED FROM THE GROUP CONSISTING OF CHLORO, BROMO, HYDROXY, METHOXY, ETHOXY AND HYDROXY-ETHOXY RADICALS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |