US3141836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of bright tin-nickel
Assignee: M&T Chemicals Inc
•
Filing: 1960-06-17
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Granted: 1964-07-21
•
Expires: 1980-06-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Edgar J Seyb
- 👤 Jr Augustine J Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:52
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/56; C25D3/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
AN ACIDIC AQUEOUS ELECTROLYTE FOR BRIGHT TIN-NICKEL PLATING CONTAINING SN++ IONS, NI++ IONS AND AN EFFECTIVE AMOUNT OF AT LEAST ONE BRIGHTENER SELECTED FROM THE CLASS CONSISTING OF PHENYLPROPIOLIC ACID, PHENYLPROPIOLIC AMIDE, TRIAMINOTRIPHENYL METHANE, 1-(P-AMINOPHENYL)-3-METHYLPYRAZOLE, STEARAMIDOPROPYLDIMETHYL-(B-HYDROXYETHYL)AMMONIUM DIHYDROGEN PHOSPHATE, 1,5-DIPHENYLCARBOHYDRAZIDE AND PHOSPHORIC ACID, TO CAUSE THE TIN-NICKEL ELECTRODEPOSIT TO BE LUSTROUS AND BRIGHT.
Claim 2
Dependent Claim
52 words
AN ACIDIC AQUEOUS ELECTROLYTE FOR BRIGHT TIN-NICKEL PLATING CONTAINING SN++ IONS, NI++ IONS AND AN EFFECTIVE AMOUNT OF AT LEAST ONE BRIGHTENER SELECTED FROM THE CLASS CONSISTING OF PHENYLPROPIOLIC ACID, PHENYLPROPIOLIC AMIDE, TRIAMINOTRIPHENYL METHANE, 1-(P-AMINOPHENYL)-3-METHYLPYRAZOLE, STEARAMIDOPROPYLDIMETHYL-(B-HYDROXYETHYL)AMMONIUM DIHYDROGEN PHOSPHATE, 1,5-DIPHENYLCARBOHYDRAZIDE AND PHOSPHORIC ACID, TO CAUSE THE TIN-NICKEL ELECTRODEPOSIT TO BE LUSTROUS AND BRIGHT.
References Cited (Backward Citations)
GB191510133A
Cited
US2658866A
Cited
US2646397A
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US2973571A
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FR1141135A
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US2848392A
Cited
US2926124A
Cited
US2988807A
Cited
US3002901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |