Patents by Inventor Roland Mislin

Roland Mislin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4728464
    Abstract: Compounds of formula I ##STR1## in which R is hydrogen, methyl or ethyl, R.sub.1 is methyl, ethyl, C.sub.1-4 alkoxy or halogenR.sub.2 is hydrogen, methyl or ethylR.sub.3 is hydrogen, methyl or ethylM is hydrogen or one equivalent of a cation andring A may be unsubstituted or substituted by up to three substituents selected from C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen and C.sub.2-4 acylaminoare useful anionic dyestuffs having superior alkali resistance for the dyeing and printing of natural and synthetic polyamides, especially nylon.
    Type: Grant
    Filed: April 18, 1983
    Date of Patent: March 1, 1988
    Assignee: Sandoz Ltd.
    Inventor: Roland Mislin
  • Patent number: 4685934
    Abstract: Monoazo compounds of formula ##STR1## wherein R.sub.1 is a coupling component radical,R.sub.1 is C.sub.1-6 alkyl; C.sub.1-6 alkyl substituted by 1 or 2 substituents selected from chloro, cyano, hydroxy, C.sub.1-4 alkoxy, phenyl and phenyl substituted by 1 or 2 substituents selected from chloro, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, carboxy, sulfo, sulfamoyl and acetamido; C.sub.5-7 cycloalkyl; C.sub.5-7 cycloalkyl substituted by 1 to 3 C.sub.1-4 alkyl groups; phenyl; phenyl substituted by 1 to 3 substituents selected from chloro, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, acetamido (maximum of 1), carboxy (maximum of 1), sulfo (maximum of 1) and --SO.sub.2 NR.sub.7 R.sub.8 (maximum of 1); 1- or 2-naphthyl or 1- or 2-naphthyl substituted by sulfo,whereineach of R.sub.7 and R.sub.8 is independently hydrogen; C.sub.1-4 alkyl; C.sub.1-4 alkyl monosubstituted by hydroxy or phenyl; cyclohexyl; phenyl or phenyl monosubstituted by chloro, methyl or methoxy, or--NR.sub.7 R.sub.
    Type: Grant
    Filed: July 12, 1985
    Date of Patent: August 11, 1987
    Assignee: Sandoz Ltd.
    Inventors: Francois Benguerel, Roland Mislin
  • Patent number: 4377517
    Abstract: Compounds of the formula ##STR1## in which R.sub.1 is C.sub.1-4 alkyl,Hal is halogen,R.sub.2 is ##STR2## --SO.sub.2 C.sub.1-4 alkyl, --SO.sub.2 NR.sub.8 R.sub.9 or --NHCOOR.sub.10,R.sub.3 is hydrogen, C.sub.1-4 alkyl or C.sub.1-4 alkoxy,R.sub.4 is hydrogen or C.sub.1-4 alkyl,R.sub.5 is hydrogen; C.sub.1-4 alkyl; cyclohexyl; cyclohexyl substituted by one to three C.sub.1-4 alkyl groups; phenyl or phenyl substituted by one or two substituents selected from halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy,R.sub.6 is hydrogen or hydroxy, with the proviso that R.sub.6 is hydrogen when R.sub.2 is --NHCOOR.sub.10,R.sub.7 is hydrogen, C.sub.1-4 alkyl or C.sub.1-4 alkoxy,each of R.sub.8 and R.sub.9, independently, is hydrogen, C.sub.1-4 alkyl, C.sub.2-4 hydroxyalkyl, cyclohexyl; or phenyl or phenyl substituted by one or two substituents selected from halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, sulfo and carboxy, with the proviso that not more than one of R.sub.8 and R.sub.9 is cyclohexyl, phenyl or substituted phenyl,R.sub.
    Type: Grant
    Filed: June 16, 1980
    Date of Patent: March 22, 1983
    Assignee: Sandoz Ltd.
    Inventors: Roland Mislin, Hanspeter Uehlinger, Max Oppliger
  • Patent number: 4237284
    Abstract: The present invention relates to reactive dye-compounds of formula I, ##STR1## in which Y is hydrogen or sulpho,X is a straight chain or branched (C.sub.2-6) alkylene group or ##STR2## in which each of A.sub.1 and A.sub.2, independently, is a direct bond or a (C.sub.1-4) alkylene group, n is 1 or 2 and the ring D is optionally substituted by up to three (C.sub.1-4) alkyl groups,with the proviso that when n is 2, the group ##STR3## is the radical of an unsymmetrical diamine, R.sub.1 is hydrogen; (C.sub.1-4) alkyl; (C.sub.2-4) alkyl substituted in the .beta.,.gamma.-or .delta.-position by hydroxy and/or carboxy; or (C.sub.5-6) cycloalkyl or (C.sub.1-4) alkyl-substituted (C.sub.5-6) cycloalkylZ is the radical of a fibre reactive group which contains a single fibre reactive componentor mixtures thereof, which compounds are in free acid or water-soluble salt form and are useful as dyestuffs for dyeing or printing hydroxy group-containing or nitrogen containing organic textile substrates.
    Type: Grant
    Filed: September 14, 1978
    Date of Patent: December 2, 1980
    Assignee: Sandoz Ltd.
    Inventor: Roland Mislin
  • Patent number: 4188187
    Abstract: A process for dyeing or printing natural or synthetic polyamide textile substrates comprising employing, as dyestuff, a compound of formula I, ##STR1## in which R is hydrogen, methyl or ethyl,R.sub.1 is hydrogen, methyl or ethyl, andthe ring A is unsubstituted or monosubstituted by halogen, (C.sub.1-2)alkyl, (C.sub.1-2)alkoxy or alkyl(C.sub.1-2)carbonylamino or disubstituted by methyl groups,in free acid or salt form.
    Type: Grant
    Filed: April 5, 1978
    Date of Patent: February 12, 1980
    Assignee: Sandoz Ltd.
    Inventors: Roland Mislin, Karl-Ulrich Steiner
  • Patent number: 4150230
    Abstract: 1,4-Diaminoanthraquinone derivatives containing a halopyrimidinyl or haloquinoxaline-6-carbonyl reactive group are useful as reactive dyestuffs for the dyeing or printing of leather and textile materials.
    Type: Grant
    Filed: March 23, 1978
    Date of Patent: April 17, 1979
    Assignee: Sandoz Ltd.
    Inventors: Roland Mislin, Wolfgang Schoenauer, Karl U. Steiner
  • Patent number: 4101547
    Abstract: 1,4-Diaminoanthraquinone derivatives containing a halopyrimidinyl or haloquinoxaline-6-carbonyl reactive group are useful as reactive dyestuffs for the dyeing or printing of leather and textile materials.
    Type: Grant
    Filed: June 25, 1976
    Date of Patent: July 18, 1978
    Assignee: Sandoz Ltd.
    Inventors: Roland Mislin, Wolfgang Schoenauer, Karl Ulrich Steiner
  • Patent number: 4080322
    Abstract: Compounds of the formula ##STR1## in which R.sub.1 signifies an optionally substituted hydrocarbon radical,R.sub.2 signifies hydrogen, halogen, nitro, a linear or branched optionally substituted alkyl radical such as haloalkyl, an optionally substituted cycloalkyl radical, alkoxy, alkylthio, an optionally substituted aryl radical, an acyl radical of an aliphatic or aromatic sulphonic or carboxylic acid, an ester or amide group of a sulphonic acid, an ester or amide group of a carboxylic acid, an ester group of a carbamic acid, unsubstituted or mono- or disubstituted amino or an acylamino group,The ring A may be further substituted, and may as R.sub.2 bear a condensed cycloalkyl radical, but ring A and any substituent on it is free from carboxylic or sulphonic acid groups and from groups in the ortho-position to the azo group which are capable of the formation of metal complexes,Provided that the total number of carbon atoms in R.sub.
    Type: Grant
    Filed: June 18, 1976
    Date of Patent: March 21, 1978
    Assignee: Sandoz Ltd.
    Inventors: Roland Mislin, Hanspeter Uehlinger
  • Patent number: 4058516
    Abstract: Dyes of the formula ##STR1## AND SUBSTITUTED DERIVATIVES THEREOF, WHEREIN R is a coupling component radical,R.sub.1 is a coupling component radical, with the proviso that R and R.sub.1 are different, andN is 1 to 8,Are disclosed. They are useful for dyeing and printing natural and synthetic polyamides, cotton and other cellulosic fibers, polypropylene fibers modified by basic groups, synthetic polyamides and polyesters modified by acid groups, paper and leather. They exhibit good fastness to light, wet treatments and abrasion.
    Type: Grant
    Filed: June 20, 1974
    Date of Patent: November 15, 1977
    Assignee: Sandoz Ltd.
    Inventors: Roland Mislin, Hanspeter Uehlinger
  • Patent number: 3981858
    Abstract: Azo dyes bearing at least one sulphonic acid group and of formula I, ##SPC1##in whichR signifies an alkyl radical of 6 to 18 carbon atoms or a cyclohexyl radical,R.sub.1 signifies hydrogen, halogen, alkyl, or --SO.sub.3 H,R.sub.2 signifies hydrogen, halogen or alkyl, andn signifies 0, 1 or 2,Which compounds, in free acid or salt form, dye textiles, paper and leather. The dyeings have good light fastness, especially on polyamides and basic dyeable polypropylene, and good fastness to wet treatments, rubbing, gas fumes and dry cleaning. The dyes have good build-up power, are well-soluble in hot and cold water and reserve polyesters and polyacrylonitrile.
    Type: Grant
    Filed: January 15, 1973
    Date of Patent: September 21, 1976
    Assignee: Sandoz Ltd.
    Inventors: Roland Mislin, Hanspeter Uehlinger