US2822294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical nickel plating processes and baths therefor
Assignee: General American Transportation Corp
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Filing: 1956-03-06
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Granted: 1958-02-04
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Expires: 1976-03-06
Abstract
No abstract record available.
Inventors
- 👤 Gutzeit Gregoire
- 👤 Talmey Paul
- 👤 Warren G Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:08
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/32; C23C18/34; C23C18/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
THE PROCESS OF CHEMICALLY PLATING WITH NICKEL A BODY ESSENTIALLY COMPRISING AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, NICKEL, ALUMINUM, COPPER, SILVER, GOLD, PALLADIUM AND PLATINUM, WHICH COMPRISES CONTACTING SAID BODY WITH A BATH CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF NICKEL IONS, HYPOPHOSPHITE IONS, A COMPLEXING AGENT SELECTED FROM THE GROUP CONSISTING OF LACTIC ACID AND SALTS THEREOF, AND AN EXALTING ADDITIVE SELECTED FROM THE GROUP CONSISTING OF SIMPLE SHORT CHAIN SATURATED ALIPHATIC MONOCARBOXYLIC ACIDS INCLUDING 3 TO 5 CARBON ATOMS AND SALTS THEREOF, WHEREIN THE ABSOLUTE CONCENTRATION OF HYPOPHOSPHITE IONS IN SAID BATH EXPRESSED IN MOL/LITER IS WITHIN THE RANGE 0.15 TO 1.20, THE RATION BETWEEN NICKEL IONS AND HYPOPHOSPHITE IONS IN SAID BATH EXPRESSED IN MOLAR CONCENTRATIONS IS WITHIN THE RANGE 0.25 TO 1.60, THE ABSOLUTE CONCENTRATION OF LACTIC IONS IN SAID BATH EXPRESSED IN MOLE/LITER IS WITHIN THE RANGE 0.25 TO 0.60, AND THE INITIAL PH OF SAID BATH IS WITHIN THE APPROXIMATE RANGE 4.4 TO 5.6.
Claim 2
Dependent Claim
164 words
THE PROCESS OF CHEMICALLY PLATING WITH NICKEL A BODY ESSENTIALLY COMPRISING AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, NICKEL, ALUMINUM, COPPER, SILVER, GOLD, PALLADIUM AND PLATINUM, WHICH COMPRISES CONTACTING SAID BODY WITH A BATH CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF NICKEL IONS, HYPOPHOSPHITE IONS, A COMPLEXING AGENT SELECTED FROM THE GROUP CONSISTING OF LACTIC ACID AND SALTS THEREOF, AND AN EXALTING ADDITIVE SELECTED FROM THE GROUP CONSISTING OF SIMPLE SHORT CHAIN SATURATED ALIPHATIC MONOCARBOXYLIC ACIDS INCLUDING 3 TO 5 CARBON ATOMS AND SALTS THEREOF, WHEREIN THE ABSOLUTE CONCENTRATION OF HYPOPHOSPHITE IONS IN SAID BATH EXPRESSED IN MOL/LITER IS WITHIN THE RANGE 0.15 TO 1.20, THE RATION BETWEEN NICKEL IONS AND HYPOPHOSPHITE IONS IN SAID BATH EXPRESSED IN MOLAR CONCENTRATIONS IS WITHIN THE RANGE 0.25 TO 1.60, THE ABSOLUTE CONCENTRATION OF LACTIC IONS IN SAID BATH EXPRESSED IN MOLE/LITER IS WITHIN THE RANGE 0.25 TO 0.60, AND THE INITIAL PH OF SAID BATH IS WITHIN THE APPROXIMATE RANGE 4.4 TO 5.6.
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) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |