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US3959310A Expired / Lapsed US ⏱️ 0.0 years remaining

Cationic dyestuffs

Assignee: Bayer AG
•
Filing: 1973-01-19
•
Granted: 1976-05-25
•
Expires: 1993-01-19
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Abstract

Abstract Cationic dyestuffs and processes for their manufacture and their use for dyeing, printing and bulk dyeing of natural and synthetic materials, particularly of polyacrylonitrile and copolymers of acrylonitrile with other vinyl compounds, acid modified aromatic polyesters and acid modified polyamides.

Inventors

  • 👤 Alfred Brack
  • 👤 Ernst Schmitt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 10:59
CPC Classifications
C; C09; C09B; C09B57/00; C09B57/06; C07; C07D; C07D209/00; C07D209/56; C07D209/80; C07D209/90; D; D06; D06P; D06P1/00; D06P1/41

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 161 words
Cationic dyestuff of the formula ##SPC24## wherein R is hydrogen, methyl, n-propyl, i-propyl, n-butyl, -cyanoethyl, or -hydroxyethyl; R 1 is methyl, n-butyl, allyl, phenyl, p-tolyl, o-tolyl, p-chlorophenyl, or m-nitrophenyl; K is ##EQU3## ##SPC25## ##SPC26##135/9 N-methyl-tetrahydroquinolinyl, N-ethyl-tetrahydroquinolinyl, N-β-chloroethyl-tetrahydroquinolinyl, N-β-cyanoethyl-tetrahydroquinolinyl; A is p-phenylene, 2,5-diethoxy-p-phenylene, 2,5-dimethoxy-p-phenylene 3-methyl-p-phenylene, 3-methoxy-p-phenylene, 3-chloro-p-phenylene, 3-methoxycarbonyl-amino-p-phenylene, 3-dimethylamido-carbonylamino-p-phenylene, 3-ethoxy-p-phenylene, or 3-methylamido-carbonylamino-p-phenylene; R 2 is methyl, ethyl, n-propyl, n-butyl, i-butyl, β-chloroethyl, diethylaminoethyl, cyclohexyl, phenyl, p-othoxyphenyl, o-methoxyphenyl, o-tolyl, benzyl, or p-methylbenzyl; R 3 is hyrogen, methyl, ethyl, n-propyl, or n-butyl; R 4 is methyl or ethyl; R 5 is hydrogen, 5-chloro, 5-methoxy, or 5-ethoxy; R 6 is methyl, ethyl, or n-butyl; R 7 is hydrogen or 6-methoxy; R 8 is chloro, cyano, methoxy, methoxycarbonyl, β-ethoxyethyl, β-cyanoethyl, β-hydroxycarbonylethyl, dimethylamino, carbonamido, phenyl, piperidyl, pyrrolidinyl, or morpholinyl; R 9 is hydrogen or methyl; R 10 is hydrogen or ethyl; R 11 is methyl or phenyl; B is the remaining portion of morpholinyl, piperidinyl, pyrrolidinyl, 3-methylpyrazolinyl 3-phenylpyrazolinyl, or N-β-cyanoethylpiperazinyl; and An .sup.( - ) is an anion.
Claim 2
Dependent Claim 161 words
Cationic dyestuff of the formula ##SPC24## wherein R is hydrogen, methyl, n-propyl, i-propyl, n-butyl, -cyanoethyl, or -hydroxyethyl; R 1 is methyl, n-butyl, allyl, phenyl, p-tolyl, o-tolyl, p-chlorophenyl, or m-nitrophenyl; K is ##EQU3## ##SPC25## ##SPC26##135/9 N-methyl-tetrahydroquinolinyl, N-ethyl-tetrahydroquinolinyl, N-β-chloroethyl-tetrahydroquinolinyl, N-β-cyanoethyl-tetrahydroquinolinyl; A is p-phenylene, 2,5-diethoxy-p-phenylene, 2,5-dimethoxy-p-phenylene 3-methyl-p-phenylene, 3-methoxy-p-phenylene, 3-chloro-p-phenylene, 3-methoxycarbonyl-amino-p-phenylene, 3-dimethylamido-carbonylamino-p-phenylene, 3-ethoxy-p-phenylene, or 3-methylamido-carbonylamino-p-phenylene; R 2 is methyl, ethyl, n-propyl, n-butyl, i-butyl, β-chloroethyl, diethylaminoethyl, cyclohexyl, phenyl, p-othoxyphenyl, o-methoxyphenyl, o-tolyl, benzyl, or p-methylbenzyl; R 3 is hyrogen, methyl, ethyl, n-propyl, or n-butyl; R 4 is methyl or ethyl; R 5 is hydrogen, 5-chloro, 5-methoxy, or 5-ethoxy; R 6 is methyl, ethyl, or n-butyl; R 7 is hydrogen or 6-methoxy; R 8 is chloro, cyano, methoxy, methoxycarbonyl, β-ethoxyethyl, β-cyanoethyl, β-hydroxycarbonylethyl, dimethylamino, carbonamido, phenyl, piperidyl, pyrrolidinyl, or morpholinyl; R 9 is hydrogen or methyl; R 10 is hydrogen or ethyl; R 11 is methyl or phenyl; B is the remaining portion of morpholinyl, piperidinyl, pyrrolidinyl, 3-methylpyrazolinyl 3-phenylpyrazolinyl, or N-β-cyanoethylpiperazinyl; and An .sup.( - ) is an anion.
Claim 3
Dependent Claim 55 words
Cationic dyestuffs of the general formula ##SPC27## wherein R 14 denotes methyl, ethyl, propyl, or butyl, R 15 denotes methyl, ethyl, propyl, butyl, pentyl, hexyl, phenyl, or benzyl, R 16 and R 17 independently of one another denote methyl, ethyl, propyl, butyl, pentyl, hexyl, (meth)allyl, or propargyl and An .sup.( - ) denotes an anion.
Claim 4
Dependent Claim 55 words
Cationic dyestuffs of the general formula ##SPC27## wherein R 14 denotes methyl, ethyl, propyl, or butyl, R 15 denotes methyl, ethyl, propyl, butyl, pentyl, hexyl, phenyl, or benzyl, R 16 and R 17 independently of one another denote methyl, ethyl, propyl, butyl, pentyl, hexyl, (meth)allyl, or propargyl and An .sup.( - ) denotes an anion.
Claim 5
Dependent Claim 43 words
Cationic dyestuffs of the general formula ##SPC28## wherein R 16 and R 17 independently of one another denote methyl, ethyl, propyl, butyl, pentyl, hexyl, methy)allyl or propargyl, R 18 denotes a methyl or ethyl group and An .sup.( - ) denotes an anion.
Claim 6
Dependent Claim 43 words
Cationic dyestuffs of the general formula ##SPC28## wherein R 16 and R 17 independently of one another denote methyl, ethyl, propyl, butyl, pentyl, hexyl, methy)allyl or propargyl, R 18 denotes a methyl or ethyl group and An .sup.( - ) denotes an anion.
Claim 7
Dependent Claim 43 words
Cationic dyestuffs of the general formula ##SPC29## wherein R 16 and R 17 independently of one another denote methyl, ethyl, propyl, butyl, pentyl, hexyl, (meth)allyl or propargyl, R 18 denotes a methyl or ethyl group and An .sup.( - ) denotes an anion.
Claim 8
Dependent Claim 43 words
Cationic dyestuffs of the general formula ##SPC29## wherein R 16 and R 17 independently of one another denote methyl, ethyl, propyl, butyl, pentyl, hexyl, (meth)allyl or propargyl, R 18 denotes a methyl or ethyl group and An .sup.( - ) denotes an anion.
Claim 9
Dependent Claim 7 words
A cationic dyestuff of the formula ##SPC30##
Claim 10
Dependent Claim 7 words
A cationic dyestuff of the formula ##SPC30##
Claim 11
Dependent Claim 7 words
A cationic dyestuff of the formula ##SPC31##
Claim 12
Dependent Claim 7 words
A cationic dyestuff of the formula ##SPC31##
Claim 13
Dependent Claim 7 words
A cationic dyestuff of the formula ##SPC32##
Claim 14
Dependent Claim 7 words
A cationic dyestuff of the formula ##SPC32##
Claim 15
Dependent Claim 7 words
A cationic dyestuff of the formula ##SPC33##
Claim 16
Dependent Claim 7 words
A cationic dyestuff of the formula ##SPC33##
Claim 17
Dependent Claim 6 words
A cationic dyestuff oofthe formula ##SPC34##
Claim 18
Dependent Claim 6 words
A cationic dyestuff oofthe formula ##SPC34##

References Cited (Backward Citations)

US3687972A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-05-25 1979-11-24 1980-05-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-05-25 1983-11-24 1984-05-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-05-25 1987-11-24 1988-05-25 $7700.00 Window Closed / Lapsed

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