US3668086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemical generation of soluble nickel(o) catalysts
Assignee: Phillips Petroleum Co
•
Filing: 1970-07-28
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Granted: 1972-06-06
•
Expires: 1990-07-28
Abstract
Abstract A method of generating soluble zero-valent nickel catalyst consisting of electrochemically reducing suitable nickel(II)ligand complexes wherein said electrochemical reduction can be achieved with or without the presence of an electrolyte.
Inventors
- 👤 William B Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:08
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/42; C07C2/44; C07C2/46; C07C2/465; B; B01; B01J; B01J37/00; B01J37/34; C07C2531/00; C07C2531/16; C07C2531/24
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
31 words
A method according to claim 1 wherein the soluble zero-valent nickel catalyst is carried by an organic solvent selected from the group consisting of acetonitrile, sulfolane, propionitrile, N,N-dimethylformamide, 1,2-dimethyloxyethane, and dioxane.
Claim 2
Dependent Claim
32 words
A method according to claim 1 wherein the soluble zero-valent nickel catalyst is electrochemically reduced in the presence of an electrolyte selected from the group consisting of tetraalkylammonium halides and tetraalkylammonium nitrates.
Claim 3
Dependent Claim
30 words
A method according to claim 1 wherein the electrochemical reduction of the nickel(II) compound occurs under a constant voltage in the range of from about -1.7 to about -3.6 volts.
References Cited (Backward Citations)
US3131134A
Cited
US3327015A
Cited
US3475293A
Cited
US3490745A
Cited
US3501332A
Cited
US3551467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |