Patent US3255195A successfully refreshed from Google Patents.
US3255195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organometallic compounds and processes
Assignee: EIDP Inc
•
Filing: 1963-05-21
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Granted: 1966-06-07
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Expires: 1983-05-21
Abstract
No abstract record available.
Inventors
- 👤 Richard E Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:53
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/50; C07C323/51; C07C323/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
MONO(N-METHYLQUINOLINIUM)BIS(1,2 - DICYANOETHYLENE-1,2-DITHIOLATO)NICKEL.
Claim 2
Dependent Claim
86 words
A PROCESS WHICH COMPRISES OXIDIZING A DIVALENT BIS(1,2 - DICYANOETHYLENE -1,2 -DITHIOLATO)METAL CHELATE ANIONIC SALT WHEREIN THE METAL OF THE METAL CHELATE IS SELECTED FROM THE CLASS CONSISTING OF METALS OF ATOMIC NUMBERS 22-29, 40-47, AND 72-79, INCLUSIVE, AT A TEMPERATURE OF FROM -80*C. TO 250*C.; WITH AN OXIDIZING AGENT AT A VOLTAGE POTENTIAL OF BETWEEN -0.5 V. AND +0.5 V. REFERRED TO AN AQUEOUS SATURATED CALOMEL ELECTRODE USING AN ACETONITRILE SOLVENT CONTAINING 0.1 M LITHIUM PERCHLORATE AS THE ELECTROLYTE AND WITH A ROTATING PLATINUM ELECTRODE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |