Patent US2800440A successfully refreshed from Google Patents.
US2800440A
Expired / Lapsed
US
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Electrodeposition of nickel
Assignee: Udylite Research Corp
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Filing: 1955-10-04
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Granted: 1957-07-23
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Expires: 1975-10-04
Abstract
No abstract record available.
Inventors
- 👤 Brown Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:48
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/40; C07C59/58; C07C59/60; C07C309/00; C07C309/01; C07C309/02; C07C309/03; C07C309/07; C07C309/09; C07C309/10; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A BATH FOR ELECTRODEPOSITING LUSTROUS FINE-GRAINED NICKLE COMPRISING AN AQUEOUS ACIDIC SOLUTION OF AT LEAST ONE NICKLE SALT SELECTED FROM THE GROUP CONSISTING OF NICKLE SULFATE, NICKLE CHLORIDE, NICKLE FLUOBORATE, AND NICKLE SULFAMATE, SAID BATH ALSO CONTAINING DISSOLVED THEREIN AN ALKYNE SULFONIC ACID HAVING 3-14 CARBON ATOMS INCLUSIVE, THE ALKYNE RADICAL OF SAID SULFONIC ACID CONSISTING OF ATOMS SELECTED FROM THE GROUP CONSISTING OF CARBON, HYDROGEN, OXYGEN, CHLORINE AND BROMINE AND SAID ALKYNE RADICAL BEING SELECTED FROM THE GROUP OR RADICALS CONSISTING OF UNSUBSTITUTED ALKYNES, ALKANOXY ALKYNES, HYDROXY ALKYNES, ESTER SUBSTITUTES ALKYNES, CHLORINE SUBSTITUTED ALKYNES, BROMINE SUBSTITUTED ALKYNES AND ALKANOXY CARBOXYLIC ALKYNES, SAID ACID BEING PRESENT IN A CONCENTRATIONS OF ABOUT 0.1 GRAM/LITER TO 20 GRAMS/LITER.
Claim 2
Dependent Claim
116 words
A BATH FOR ELECTRODEPOSITING LUSTROUS FINE-GRAINED NICKLE COMPRISING AN AQUEOUS ACIDIC SOLUTION OF AT LEAST ONE NICKLE SALT SELECTED FROM THE GROUP CONSISTING OF NICKLE SULFATE, NICKLE CHLORIDE, NICKLE FLUOBORATE, AND NICKLE SULFAMATE, SAID BATH ALSO CONTAINING DISSOLVED THEREIN AN ALKYNE SULFONIC ACID HAVING 3-14 CARBON ATOMS INCLUSIVE, THE ALKYNE RADICAL OF SAID SULFONIC ACID CONSISTING OF ATOMS SELECTED FROM THE GROUP CONSISTING OF CARBON, HYDROGEN, OXYGEN, CHLORINE AND BROMINE AND SAID ALKYNE RADICAL BEING SELECTED FROM THE GROUP OR RADICALS CONSISTING OF UNSUBSTITUTED ALKYNES, ALKANOXY ALKYNES, HYDROXY ALKYNES, ESTER SUBSTITUTES ALKYNES, CHLORINE SUBSTITUTED ALKYNES, BROMINE SUBSTITUTED ALKYNES AND ALKANOXY CARBOXYLIC ALKYNES, SAID ACID BEING PRESENT IN A CONCENTRATIONS OF ABOUT 0.1 GRAM/LITER TO 20 GRAMS/LITER.
References Cited (Backward Citations)
US2712522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |