US2915406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Palladium plating by chemical reduction
Assignee: Huntington Alloys Corp
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Filing: 1958-03-03
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Granted: 1959-12-01
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Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Richard N Rhoda
- 👤 Madison Ann-Mari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:48
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/42; C23C18/44; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12875
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A BATH FOR DEPOSITING PALLADIUM COMPRISING A SINGLE PHASE, WATER-CONTAINING LIQUID HAVING IN SOULATION ABOUT 0.001 TO ABOUT 0.25 MOLE PER LITER OR DIVALENT PALLADIUM, ABOUT 0.002 UP TO ABOUT 0.05 MOLE PER LITER OF HYDRAZINE, ABOUT 0.005 UP TO ABOUT 0.25 MOLE PER LITER OF A STABILIZING AGENT SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC KETONES CONTAINING FROM 3 TO ABOUT 5 CARBON ATOMS PER MOLECULE, AMMONIUM SALTS OF MONO AND DI-BASIC MINERAL ACIDS, THE DISODIUM SALT OF ETHYLENEDIAMINETERAACETIC ACID AND 2,2''-THIODIETHANOL, ABOUT 2.5 UP TO ABOUT 14 MOLES PER LITER OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND ALIPHATIC ORGANIC COMPOUND CONTAINING A PRIMARY AMINE GROUP AND HAVING UP TO 5 CARBON ATOMS PER MOLECULE AND THE BALANCE ESSENTIALLY WATER, SAID WATER BEING IN A CONCENTRATION OF AT LEAST 2 MOLES PER LITER.
Claim 2
Dependent Claim
140 words
A BATH FOR DEPOSITING PALLADIUM COMPRISING A SINGLE PHASE, WATER-CONTAINING LIQUID HAVING IN SOULATION ABOUT 0.001 TO ABOUT 0.25 MOLE PER LITER OR DIVALENT PALLADIUM, ABOUT 0.002 UP TO ABOUT 0.05 MOLE PER LITER OF HYDRAZINE, ABOUT 0.005 UP TO ABOUT 0.25 MOLE PER LITER OF A STABILIZING AGENT SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC KETONES CONTAINING FROM 3 TO ABOUT 5 CARBON ATOMS PER MOLECULE, AMMONIUM SALTS OF MONO AND DI-BASIC MINERAL ACIDS, THE DISODIUM SALT OF ETHYLENEDIAMINETERAACETIC ACID AND 2,2''-THIODIETHANOL, ABOUT 2.5 UP TO ABOUT 14 MOLES PER LITER OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND ALIPHATIC ORGANIC COMPOUND CONTAINING A PRIMARY AMINE GROUP AND HAVING UP TO 5 CARBON ATOMS PER MOLECULE AND THE BALANCE ESSENTIALLY WATER, SAID WATER BEING IN A CONCENTRATION OF AT LEAST 2 MOLES PER LITER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |