US3896113A
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Novel metallized heterocyclic derivatives
Assignee: Sandoz AG
•
Filing: 1972-12-22
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Granted: 1975-07-22
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Expires: 1992-12-22
Abstract
Abstract The invention provides novel metal containing heterocyclic compounds useful as pigments.
Inventors
- 👤 Kaul Bansi Lal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:55
CPC Classifications
C; C09; C09B; C09B55/00; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/24; C07D235/26; C07D241/00; C07D241/36; C07D241/38; C07D241/40; C07D241/44; C08; C08K; C08K5/00; C08K5/0091; C09B55/005; C09B55/006
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
4 words
A COMPOUND OF FORMULA
Claim 2
Dependent Claim
4 words
A COMPOUND OF FORMULA
Claim 3
Dependent Claim
13 words
A compound of claim 1, in which the radicals R1 are the same.
Claim 4
Dependent Claim
84 words
A compound of claim 1, in which the substituents are selected from chlorine, bromine, alkyl or alkoxy of 1 to 4 carbon atoms, trifluoromethyl, cyano, nitro, hydroxylamino, alkyl or dialkylamino, in which the alkyl radical(s) contain 1 to 4 carbon atoms, oxo, alkoxycarbonyl and alkanoyl in which the alkyl radical contains 1 to 4 carbon atoms, alkylsulphonyl or alkoxysulphonyl of 1 to 4 carbon atoms, phenylsulphonyl, benzoyl, phenoxycarbonyl, phenoxysulphonyl and alkylaminocarbonyl and dialkylaminocarbonyl in which the alkyl radical(s) contain 1 to 4 carbon atoms.
Claim 5
Dependent Claim
30 words
A compound of claim 1, in which the radicals R1, together with the carbon atoms to which they are attached, each signify a radical of formula II, III or IVa,
Claim 6
Dependent Claim
11 words
A compound of claim 1, in which each R2 is hydrogen.
Claim 7
Dependent Claim
14 words
A compound of claim 1, in which Me signifies copper, zinc, nickel or cobalt.
Claim 8
Dependent Claim
21 words
A compound of claim 1, in which R3 signifies hydrogen, unsubstituted alkyl of 1 to 4 carbon atoms, or unsubstituted phenyl.
Claim 9
Dependent Claim
10 words
A compound of claim 1, in which R3 signifies hydrogen.
Claim 10
Dependent Claim
7 words
A compound of claim 1 of formula
Claim 11
Dependent Claim
7 words
A compound of claim 9 of formula
Claim 12
Dependent Claim
7 words
A compound of claim 9 of formula
Claim 13
Dependent Claim
7 words
A compound of claim 9 of formula
Claim 14
Dependent Claim
7 words
A compound of claim 9 of formula
Claim 15
Dependent Claim
4 words
A compound of formula
Claim 16
Dependent Claim
4 words
A compound of formula
Claim 17
Dependent Claim
7 words
A compound of claim 14 of formula
Claim 18
Dependent Claim
7 words
A compound of claim 14 of formula
Claim 19
Dependent Claim
31 words
A compound according to claim 4 wherein the radicals R1 are the same, R2 is hydrogen, R3 is hydrogen, alkyl of 1 to 4 carbons or phenyl, and the radical >((NR3)n(CO)m)is
Claim 20
Dependent Claim
14 words
A compound according to claim 9 wherein R5 is a radical of formula VI.
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) | 1978-07-21 | 1979-01-20 | 1979-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-21 | 1983-01-20 | 1983-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-21 | 1987-01-20 | 1987-07-22 | $7700.00 | Window Closed / Lapsed |