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US3929794A
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Unsymmetrical bisazomethine metal complex pigments
Assignee: Novartis Corp
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Filing: 1973-09-18
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Granted: 1975-12-30
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Expires: 1993-09-18
Abstract
Abstract Bisazomethine metal complexes of the formula WHEREIN N IS 1, 2, 3 OR 4, M is a transition metal atom, Y is hydrogen or a non-water stabilising group, or when n is 2, two Y substituents can form a carbocyclic ring, and A and B are either dissimilar heterocyclic residues or A is a heterocyclic residue and B is an arylene residue for coloring pastics and lacquers.
Inventors
- 👤 James Mcgeachie Mccrae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:35
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/22; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/18; C07D231/20; C07D231/22; C07D231/26; C08; C08K; C08K5/00; C08K5/0091; C09; C09B; C09B43/00; C09B55/00; C09B55/005; C09B55/006
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
24 words
A compound according to claim 1 wherein the transition metal atom is a metal of the type MII capable of forming four co-ordinate complexes.
Claim 4
Dependent Claim
14 words
A compound according to claim 1 wherein the metal is zinc, copper or nickel.
Claim 5
Dependent Claim
9 words
The compound according to claim 1 of the formula
Claim 6
Dependent Claim
9 words
The compound according to claim 1 of the formula
Claim 7
Dependent Claim
9 words
The compound according to claim 1 of the formula
Claim 8
Dependent Claim
9 words
The compound according to claim 1 of the formula
Claim 9
Dependent Claim
9 words
The compound according to claim 1 of the formula
Claim 10
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 11
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 12
Dependent Claim
24 words
A compound according to claim 9 wherein the transition metal atom is a metal of the type MII capable of forming four co-ordinate complexes.
Claim 13
Dependent Claim
14 words
A compound according to claim 9 wherein the metal is zinc, copper or nickel.
Claim 14
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 15
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 16
Dependent Claim
24 words
A compound according to claim 12 wherein the transition metal atom is a metal of the type MII capable of forming four co-ordinate complexes.
Claim 17
Dependent Claim
14 words
A compound according to claim 12 wherein the metal is zinc, copper or nickel.
Claim 18
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 19
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 20
Dependent Claim
24 words
A compound according to claim 15 wherein the transition metal atom is a metal of the type MII capable of forming four co-ordinate complexes.
Claim 21
Dependent Claim
14 words
A compound according to claim 15 wherein the metal is zinc, copper or nickel.
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) | 1978-12-29 | 1979-06-30 | 1979-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-29 | 1983-06-30 | 1983-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-29 | 1987-06-30 | 1987-12-30 | $7700.00 | Window Closed / Lapsed |