US2970951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper compositions and method for making the same
Assignee: Udylite Research Corp
•
Filing: 1958-12-04
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Granted: 1961-02-07
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Expires: 1978-12-04
Abstract
No abstract record available.
Inventors
- 👤 John W Manquen
- 👤 Brown Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:04
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38; C25D3/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A BATH FOR ELECTRODEPOSITING BRITHT DUCTILE COPPER COMPRISING AN AQUEOUS ALKALINE COPPER CYANIDE SOLUTION CONTAINING DISSOLVED THEREIN AN ACETYLENIC ETHER NITRILE SELECTED FROM THE GROUP CONSISTING OF 1-HYDROXY-4-(BETA CYANOETHOXY) BUTENE-2 AND 1,4-DI-(BETA CYANOETHOXY) BUTYENE-2 IN AN AMOUNT OF FROM ABOUT 0.02 GRAM/LITER TO ABOUT 1.0 GRAM PER LITER.
Claim 2
Dependent Claim
48 words
A BATH FOR ELECTRODEPOSITING BRITHT DUCTILE COPPER COMPRISING AN AQUEOUS ALKALINE COPPER CYANIDE SOLUTION CONTAINING DISSOLVED THEREIN AN ACETYLENIC ETHER NITRILE SELECTED FROM THE GROUP CONSISTING OF 1-HYDROXY-4-(BETA CYANOETHOXY) BUTENE-2 AND 1,4-DI-(BETA CYANOETHOXY) BUTYENE-2 IN AN AMOUNT OF FROM ABOUT 0.02 GRAM/LITER TO ABOUT 1.0 GRAM PER LITER.
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) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |