US4721745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigments based on metal complexes
Assignee: Bayer AG
•
Filing: 1986-10-15
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Granted: 1988-01-26
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Expires: 2006-10-15
Abstract
Abstract Pigments of the formula ##STR1## in which Me=Zn, Cu, Co or preferably Ni, R=alkyl, cycloalkyl, aralkyl, aryl and hetaryl, where the mentioned radicals can be substituted, and Ar=optionally substituted aryl, processes for their preparation, and their use.
Inventors
- 👤 Rutger Neeff, deceased
- 👤 Meinhard Rolf
- 👤 Walter Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:22
CPC Classifications
C; C09; C09B; C09B57/00; C09B57/04
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
102 words
A pigment of the formula ##STR34## in which Me=Zn, Cu, Co or Ni, R=Alkyl, cycloalkyl, aralkyl, aryl or hetaryl, where the aryl or aralykyl radicals are optionally substituted by halogen, --NO 2 , --CN, --CF 3 , C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, carbamoyl, mono- and di-C 1 -C 4 -alkyl-carbamoly or C 1 -C 4 -alkylamino, or acetylamino, Ar=aryl or aryl substituted by halogen, --NO 2 , --CN, --CF 3 , C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, carbamoyl, mono- and di-C 1 -C 4 -alkylcarbamoyl or C 1 -C 4 -alkylamino, or acetylamino.
Claim 2
Dependent Claim
102 words
A pigment of the formula ##STR34## in which Me=Zn, Cu, Co or Ni, R=Alkyl, cycloalkyl, aralkyl, aryl or hetaryl, where the aryl or aralykyl radicals are optionally substituted by halogen, --NO 2 , --CN, --CF 3 , C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, carbamoyl, mono- and di-C 1 -C 4 -alkyl-carbamoly or C 1 -C 4 -alkylamino, or acetylamino, Ar=aryl or aryl substituted by halogen, --NO 2 , --CN, --CF 3 , C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, carbamoyl, mono- and di-C 1 -C 4 -alkylcarbamoyl or C 1 -C 4 -alkylamino, or acetylamino.
Claim 3
Dependent Claim
71 words
A pigment, according to claim 1, in which R=C 1 -C 6 -alkyl, C 3 -C 7 -cycloalkyl, phenyl- or naphthyl-C 1 -C 4 -alkyl, phenyl, naphthyl, where the aryl radicals are optionally substituted by halogen, --NO 2 , --CN, --CF 3 , C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, carbamoyl, mono- or di-C 1 -C 4 -alkyl-carbamoyl or C 1 -C 4 -alkylamino, benzimidazol-2-yl, benzthiazol-2-yl or 4-quinazolon-2-yl.
Claim 4
Dependent Claim
26 words
A pigment according to claim 1, in which Ar represents phenyl, α-naphthyl, 2-methylphenyl, 4-methylphenyl, 3-nitrophenyl, 2,5-dimethoxy-4-chlorophenyl, 2,5-dimethoxyphenyl, 4-chlorophenyl, 2,4-dimethoxy-5-chlorophenyl, 2-methyl-5-chlorophenyl, 2-methoxyphenyl, 2,4-dimethylphenyl, 2-ethoxyphenyl, 2-methyl-4-chlorophenyl or 4-acetylaminophenyl.
Claim 5
Dependent Claim
6 words
A pigment of the formula ##STR35##
Claim 6
Dependent Claim
6 words
A pigment of the formula ##STR35##
Claim 7
Dependent Claim
6 words
A pigment of the formula ##STR36##
Claim 8
Dependent Claim
6 words
A pigment of the formula ##STR36##
Claim 9
Dependent Claim
6 words
A pigment of the formula ##STR37##
Claim 10
Dependent Claim
6 words
A pigment of the formula ##STR37##
Claim 11
Dependent Claim
6 words
A pigment of the formula ##STR38##
Claim 12
Dependent Claim
6 words
A pigment of the formula ##STR38##
Claim 13
Dependent Claim
6 words
A pigment of the formula ##STR39##
Claim 14
Dependent Claim
6 words
A pigment of the formula ##STR39##
Claim 15
Dependent Claim
17 words
A process for the pigmentation of macromolecular organic substances, wherein pigments according to claim 1 are used.
Claim 16
Dependent Claim
16 words
A process for the pigmentation of automotive paints, wherein pigments according to claim 1 are used.
References Cited (Backward Citations)
DE3338622A1
Cited
US4614547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-01-25 | 1991-07-27 | 1992-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-25 | 1995-07-27 | 1996-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-25 | 1999-07-27 | 2000-01-26 | $7700.00 | Window Closed / Lapsed |