Plural Carboxamide Groups Between The Azo Groups Patents (Class 534/820)
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Publication number: 20100272896Abstract: An azo compound and salts thereof containing an amide linkage and at least one carboxylic acid group attached at specific positions. The azo compounds are useful as colorants in inks especially ink jet printing inks.Type: ApplicationFiled: August 20, 2007Publication date: October 28, 2010Inventor: Gavin Wright
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Patent number: 6437104Abstract: A process for preparing disazo condensation pigments by diazotization of an aromatic amine, azo coupling with a coupling component to form an azocarboxylic acid or azodicarboxylic acid, formation of an azocarbonyl chloride or azodicarbonyl dichloride and condensation of the azocarbonyl chloride with an aromatic diamine or of the azodicarbonyl dichloride with an aromatic amine comprises effecting the acyl chloride formation and/or the condensation and optionally the diazotization and optionally the azo coupling in a microreactor.Type: GrantFiled: June 28, 2001Date of Patent: August 20, 2002Assignee: Clariant GmbHInventors: Uwe Nickel, Klaus Kund, Frank Alfter
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Publication number: 20020058794Abstract: A process for preparing disazo condensation pigments by diazotization of an aromatic amine, azo coupling with a coupling component to form an azocarboxylic acid or azodicarboxylic acid, formation of an azocarbonyl chloride or azodicarbonyl dichloride and condensation of the azocarbonyl chloride with an aromatic diamine or of the azodicarbonyl dichloride with an aromatic amine comprises effecting the acyl chloride formation and/or the condensation and optionally the diazotization and optionally the azo coupling in a microreactor.Type: ApplicationFiled: June 28, 2001Publication date: May 16, 2002Applicant: Clariant International Ltd.Inventors: Uwe Nickel, Klaus Kund, Frank Alfter
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Patent number: 6072042Abstract: The present invention provides a bis (aminocarbonylnaphthol) derivative which is useful as a raw material for novel azo pigments by bisamidation of each one carboxyl group of two 2-hydroxynaphthalene-3,6-dicarboxylic acids using an aliphatic or aromatic diamine.Type: GrantFiled: June 5, 1998Date of Patent: June 6, 2000Assignee: Kabushiki Kaisha Ueno Seiyaku Oyo KenkyujoInventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori, Katsunori Tanikawa, Mariko Tanigawa
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Patent number: 6005085Abstract: The present invention provides novel condensed azo compounds using bisamide compounds of 2-hydroxynaphthalene-3,6-dicarboxylic acid, amide, or ester as the couplers, which have excellent properties such as excellent water resistance, chemical resistance, solvent resistance, and heat resistance.Type: GrantFiled: November 18, 1998Date of Patent: December 21, 1999Assignee: Kabushiki Kaisha Ueno Seiyaku Oyo KenkyujoInventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori, Katsunori Tanikawa
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Patent number: 5883167Abstract: A process for the preparation of diazo pigment mixtures, which comprises condensing 2 mol of an azocarboxylic acid chloride of formula ##STR1## with 1 mol of a mixture of diamines of formulae ##STR2## at a molar ratio of II:III:IV from 0-30:5-60:40-95,the condensation and isolation of the product obtained being carried out by customary methods.The diazo pigment mixtures so obtained are distinguished by high color strength and chroma.Type: GrantFiled: July 31, 1997Date of Patent: March 16, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Bernhard Medinger, Daniel Andrey
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Patent number: 5681832Abstract: Aroylaniline compounds which exhibit anti-retroviral activity, pharmaceutical compositions containing such aroylaniline compounds, and methods for treating a retroviral-infected host comprising administering an antiviral effective amount of an aroylaniline compound to a host.Type: GrantFiled: February 17, 1995Date of Patent: October 28, 1997Assignees: The United States of America as represented by the Department of Health and Human Services, Georgia Tech Research CorporationInventors: Rudiger D. Haugwitz, Leon Zalkow, Ewa Gruszecka-Kowalik, Edward Burgess
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Patent number: 5298609Abstract: Compounds of formula I ##STR1## wherein R is a radical of formula --OR.sub.3 or --NHR.sub.3, A is a radical of formula II or III ##STR2## and B is a radical of formula ##STR3## wherein n is 1 or 2,R.sub.1 is --H or --Cl,R.sub.2 is --H, halogen, --NO.sub.2, --CN, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, --CF.sub.3, C.sub.2 -C.sub.5 alkoxycarbonyl, --CONH--phenyl, --NHCO-phenyl or phenoxy, each unsubstituted or substituted in the phenyl nucleus by one or two chlorine atoms or by one or two methyl, methoxy or ethoxy groups,R.sub.3 is C.sub.5 -C.sub.12 cycloalkyl, which is unsubstituted or substituted by 1 to 3 C.sub.1 -C.sub.4 alkyl or C.sub.5 -C.sub.6 cycloalkyl groups,R.sub.4 and R.sub.5 are each independently of the other --H, halogen, --NO.sub.2, --CN, --CF.sub.3, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy,R.sub.6 is --H, --Cl, --Br, --CH.sub.3 or --OCH.sub.3, andX is --H, --Br, --OCH.sub.3, --CN or --NO.sub.2,are suitable for use as pigments, especially for colouring polyolefins.Type: GrantFiled: July 14, 1993Date of Patent: March 29, 1994Assignee: Ciba-Geigy CorporationInventor: Stefan Hari
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Patent number: 5071967Abstract: Compounds of the formula I ##STR1## in which R is a radical of the formula --OR.sub.5 or --NHR.sub.5, A is a radical of the formula II or III ##STR2## in which B is a radical of the formula ##STR3## in which n is the number 1 or 2, R.sub.1 and R.sub.3 independently of one another are --H or Cl, R.sub.2 and R.sub.4 independently of one another are --H, halogen, --NO.sub.2, --CN, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, --CF.sub.3, C.sub.2 -C.sub.5 alkoxycarbonyl, or --CONH-phenyl, --NHCO-phenyl or phenyloxy which is unsubstituted or substituted on the phenyl nucleus by one or two chlorine atoms or one or two methyl, methoxy or ethoxy groups, R.sub.5 is alkyl having at least 10 C atoms, R.sub.6 and R.sub.7 independently of one another are --H, halogen, --NO.sub.2, --CN, --CF.sub.3, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, R.sub.8 is --H, --Cl, --Br, --CH.sub.3 or --OCH.sub.3 and X is --H, --Br, --OCH.sub.3, --CN or --NO.sub.2, are particularly suitable as pigments for coloring polyolefins.Type: GrantFiled: February 11, 1991Date of Patent: December 10, 1991Assignee: Ciba-Geigy CorporationInventors: Stefan Hari, Jost von der Crone
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Patent number: 5043257Abstract: Azo dyes of the formula ##STR1## where X is alkyl or alkoxy each of 1 to 4 carbon atoms or halogen, X' is hydrogen, alkyl or alkoxy each of 1 to 4 carbon atoms or halogen, Y and Y' are independently of each other hydrogen or halogen, Z is hydrogen, alkyl or alkoxy or alkylthio each of 1 to 4 carbon atoms, or halogen, M is a 1-, 2- or 3-valent metal cation, ammonium or an organic ammonium compound, m is 1, 2 or 3 and n is 2 to 10, are suitable for use as image dyes in photographic silver dye bleach materials.The dyes of the invention can also be used to dye textile materials.Type: GrantFiled: December 8, 1989Date of Patent: August 27, 1991Assignee: Ilford LimitedInventors: Kurt Baettig, Gerald C. Jan
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Patent number: 4946948Abstract: Compounds of formula I: ##STR1## wherein R is a radical of the formula --OR.sub.3 or --NHR.sub.3, A is a radical of formula II or III: ##STR2## B is a radical of the formula ##STR3## n is the number 1 or 2, R.sub.1 is --H or --Cl, R.sub.2 is --H, halogen, --NO.sub.2, --CN, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, --CF.sub.3, C.sub.2 -C.sub.5 alkoxycarbonyl or --CONH-phenyl, --NHCO-phenyl or phenoxy which is unsubstituted or substituted on the phenyl ring by one or two chlorine atoms or one or two methyl, methoxy or ethoxy groups, R.sub.3 is alkyl containing at least 10 C atoms, R.sub.4 and R.sub.5 are each independently of the other --H, halogen, --NO.sub.2, --CN, --CF.sub.3, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, R.sub.6 is --H, --Cl, --Br, --CH.sub.3 or --OCH.sub.3 and X is --H, --Br, --OCH.sub.3, --CN or --NO.sub.Type: GrantFiled: August 31, 1989Date of Patent: August 7, 1990Assignee: Ciba-Geigy CorporationInventors: Stefan Hari, Fridolin Babler
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Disazo pigment from condensation of carboxylic acid chloride with 2,5-dichloro-1,4-phenylene diamine
Patent number: 4689403Abstract: The present invention concerns the disazo pigment of the formula ##STR1## The new pigment is useful for coloring plastic material in pure red shades of high tinctorial strength and outstanding fastness to light and migration.Type: GrantFiled: April 29, 1982Date of Patent: August 25, 1987Assignee: Ciba-Geigy AGInventor: Karl Ronco