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Patent US3681353A successfully refreshed from Google Patents.
US3681353A
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Charge-transfer complexes of fluoro-and cyano-substituted tetracyanquinodimethans
Assignee: EIDP Inc
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Filing: 1970-11-25
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Granted: 1972-08-01
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Expires: 1990-11-25
Abstract
Abstract Charge-transfer compounds of the formula
Inventors
- 👤 Elmore Louis Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:19
CPC Classifications
C; C07; C07C; C07C255/00; C07D; C07D215/00; C07D215/02; C07D215/04; C07D215/06; C07F; C07F1/00; C07F1/005; C07F9/00; C07F9/02; C07F9/28; C07F9/54; C07F9/66; C07F9/70
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
14 words
The composition of claim 1 wherein A, B, D and E are each fluorine.
Claim 2
Dependent Claim
15 words
The composition of claim 2 wherein M is the quinolinium ion, and n is 1.
Claim 3
Dependent Claim
15 words
The composItion of claim 1 wherein M is the quinolinium ion, and n is 1.
Claim 4
Dependent Claim
9 words
The composition of claim 1 wherein b is 0.
Claim 5
Dependent Claim
16 words
The composition of claim 5 wherein M is an alkali metal cation and n is 1.
Claim 6
Dependent Claim
11 words
The composition of claim 6 wherein said alkali metal is sodium.
Claim 7
Dependent Claim
12 words
The composition of claim 5 wherein M is quinolinium and n is
Claim 8
Dependent Claim
18 words
The composition of claim 1 wherein b is 0 and A, B, D and E are each fluorine.
Claim 9
Dependent Claim
15 words
The composition of claim 10 wherein M is an alkali metal, and n is 1.
Claim 10
Dependent Claim
11 words
The composition of claim 10 wherein the alkali metal is sodium.
Claim 11
Dependent Claim
13 words
The composition of claim 9 wherein M is tetramethylammonium and n is 1.
Claim 12
Dependent Claim
12 words
The composition of claim 9 wherein M is quinolium and n is
Claim 13
Dependent Claim
13 words
The composition of claim 9 wherein M is N-methylphenazinium and n is 1.
Claim 14
Dependent Claim
21 words
The composition of claim 1 wherein b is 0 and A and E are cyano and B and D are hydrogen.
Claim 15
Dependent Claim
13 words
The composition of claim 15 wherein M is quinolinium and n IS 1.
References Cited (Backward Citations)
US3162641A
Cited
US3334109A
Cited
US3441505A
Cited
US3408367A
Cited
US3504001A
Cited
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Cited
US3526497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |