Patent US3203811A successfully refreshed from Google Patents.
US3203811A
Expired / Lapsed
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Molten transition metal plating baths containing zinc ammine chlorides
Assignee: Boller Dev Corp
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Filing: 1960-10-20
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Granted: 1965-08-31
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Expires: 1980-10-20
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Boller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:48
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A MOLTEN, ANHYDROUS BATH FOR THE RAPID GALVANIC DEPOSITION OF A CONTINUOUS AND COHERENT PLATE OF A TRANSITION METAL ON ANOTHER METAL WHICH INCLUDES AN ELEMENT WHICH STANDS ABOVE THE SELECTED TRANSITION METAL IN THE APPLICABLE ELECTROMOTIVE SERIES, SAID BATH CONSISTING ESSENTIALLY OF FROM 0.1% TO 5% OF A CHLORIDE OF THE SELECTED TRANSITION METAL, AN MMONIA DERIVATIVE OF A CONSISTUENT OF THE BATH IN AN AMOUNT EQUIVALENT TO 0.05% TO 18% AMMONIA, AND THE BALANCE OF THE BATH BEING A SOLVENT CONSISTING ESSENTIALLY OF AT LEAST TWO METAL CHLORIDES SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL CHLORIDES, THE ALKALINE EARTH METAL CHLORIDES AND ZINC CHLORIDE, NO ONE OF THE COMPONENTS OF SUCH SOLVENT CONSTITUTING MORE THAN 90% BY WEIGHT OF THE SOLVENT.
Claim 2
Dependent Claim
125 words
A MOLTEN, ANHYDROUS BATH FOR THE RAPID GALVANIC DEPOSITION OF A CONTINUOUS AND COHERENT PLATE OF A TRANSITION METAL ON ANOTHER METAL WHICH INCLUDES AN ELEMENT WHICH STANDS ABOVE THE SELECTED TRANSITION METAL IN THE APPLICABLE ELECTROMOTIVE SERIES, SAID BATH CONSISTING ESSENTIALLY OF FROM 0.1% TO 5% OF A CHLORIDE OF THE SELECTED TRANSITION METAL, AN MMONIA DERIVATIVE OF A CONSISTUENT OF THE BATH IN AN AMOUNT EQUIVALENT TO 0.05% TO 18% AMMONIA, AND THE BALANCE OF THE BATH BEING A SOLVENT CONSISTING ESSENTIALLY OF AT LEAST TWO METAL CHLORIDES SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL CHLORIDES, THE ALKALINE EARTH METAL CHLORIDES AND ZINC CHLORIDE, NO ONE OF THE COMPONENTS OF SUCH SOLVENT CONSTITUTING MORE THAN 90% BY WEIGHT OF THE SOLVENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |