Patent US3201399A successfully refreshed from Google Patents.
US3201399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Onium tetracyanoethylenides
Assignee: EIDP Inc
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Filing: 1960-09-20
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Granted: 1965-08-17
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Expires: 1980-09-20
Abstract
No abstract record available.
Inventors
- 👤 Webster Owen Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:19
CPC Classifications
C; C06; C06B; C06B43/00; Y; Y10; Y10S; Y10S149/00; Y10S149/12; Y10S149/122
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
94 words
AN ONIUM TETRACYANOETHYLENIDE OF THE FORMULA: A$(C6N4)$ WHEREIN A$ IS SELECTED FROM TTHE GROUP CONSISTING OF PR1R5R6R7, ASR1R5R6R7, SBR1R5R6R7, OR1R5R6, SR1R5R6, SER1R5R6, AND TER1R5R6, WHEREIN R1 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL OF 1 TO 20 CARBON ATOMS AND PHENYL, R5, R6 AND R7 EACH IS SELECTED FROM THE GROUP CONSISTING OF ALKYL OF 1 TO 20 CARBON ATOMS AND PHENYL, AND WHEREIN WHEN TWO OF SAID GROUPS R5, R6 AND R7 ARE JOINED TO FORM A CYCLIC STRUCTURE, SAID JOINED GROUPS FROM A PHENYLALKYLENE OF UP TO 40 CARBON ATOMS.
Claim 2
Dependent Claim
94 words
AN ONIUM TETRACYANOETHYLENIDE OF THE FORMULA: A$(C6N4)$ WHEREIN A$ IS SELECTED FROM TTHE GROUP CONSISTING OF PR1R5R6R7, ASR1R5R6R7, SBR1R5R6R7, OR1R5R6, SR1R5R6, SER1R5R6, AND TER1R5R6, WHEREIN R1 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL OF 1 TO 20 CARBON ATOMS AND PHENYL, R5, R6 AND R7 EACH IS SELECTED FROM THE GROUP CONSISTING OF ALKYL OF 1 TO 20 CARBON ATOMS AND PHENYL, AND WHEREIN WHEN TWO OF SAID GROUPS R5, R6 AND R7 ARE JOINED TO FORM A CYCLIC STRUCTURE, SAID JOINED GROUPS FROM A PHENYLALKYLENE OF UP TO 40 CARBON ATOMS.
Claim 3
Dependent Claim
85 words
AN ONIUM TETRACYANOETHYLENIDE OF THE FORMULA A$(C6N4)$ WHEREIN A$ IS NR1R2R3R4, WHEREIN R1,R2, R3 AND R4 EACH IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL OF 1 TO 20 CARBON ATOMS, PHENYL, PHENYL AND BIPHENYL BOTH SUBSTITUTED WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF HALOGEN AND ALKYLOXY, AND ALKYL OF 1 TO 20 CARBON ATOMS SUBSTITUTED WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF HALOGEN, OXO, CYANO, ALKYLOXY AND ALKYLOXYCARBONYL, SAID ALKYL PORTION OF SAID ALKYLOXY AND ALKYLOXYCARBONYL BEING LOWER ALKYL.
Claim 4
Dependent Claim
85 words
AN ONIUM TETRACYANOETHYLENIDE OF THE FORMULA A$(C6N4)$ WHEREIN A$ IS NR1R2R3R4, WHEREIN R1,R2, R3 AND R4 EACH IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL OF 1 TO 20 CARBON ATOMS, PHENYL, PHENYL AND BIPHENYL BOTH SUBSTITUTED WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF HALOGEN AND ALKYLOXY, AND ALKYL OF 1 TO 20 CARBON ATOMS SUBSTITUTED WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF HALOGEN, OXO, CYANO, ALKYLOXY AND ALKYLOXYCARBONYL, SAID ALKYL PORTION OF SAID ALKYLOXY AND ALKYLOXYCARBONYL BEING LOWER ALKYL.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |