Patents by Inventor Max Jost

Max Jost 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: 4914211
    Abstract: Compositions comprising(a) a pyrrolopyrrole of formula I ##STR1## wherein A and B are identical or different alkyl, arlkyl, aryl or heterocyclic aromatic radicals, R.sub.1 and R.sub.2 are hydrogen atoms, unsubstituted or substituted alkyl radicals, and also alkenyl, alkynyl, aralkyl, cycloalkyl, carbamoyl, alkylcarbamoyl, arylcarbamoyl, alkoxycarbonyl, aryl, alkanoyl or aroyl groups, and X is an --O-- or --S-- atom, and(b) a pyrrolopyrrole of the above formula I that contains at least one group of formula --SO.sub.3 L, --CO.sub.2 L, --PO.sub.3 (L).sub.2, --N(R.sub.4)(R.sub.5), ##STR2## or --NHCOR wherein L is --H, a group of formula ##EQU1## or N.sup.+ H(R.sub.3)(R.sub.4)(R.sub.5), M is monovalent, divalent or trivalent metal cation, n is 1, 2 or 3, R.sub.3, R.sub.4 and R.sub.5 are each independently --H or alkyl, aralkyl, C.sub.5 -C.sub.6 cycloalkyl or aryl radicals, or R.sub.4 and R.sub.
    Type: Grant
    Filed: August 12, 1988
    Date of Patent: April 3, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Max Jost, Abul Iqbal, Alain C. Rochat
  • Patent number: 4892945
    Abstract: Isoindolines of formula I ##STR1## wherein Y is a radical of formula II, III, IV, IVa, V or VI ##STR2## wherein Y, R.sub.1, R.sub.2, R.sub.3, A, Z, Q, X.sub.2, X.sub.3 and n are defined in claim 1, are most suitable for coloring organic material of high molecular weight.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: January 9, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Max Jost, Kurt Burdeska, Jost von der Crone
  • Patent number: 4863522
    Abstract: A composition comprising(a) a dianthraquinonyl pigment of formula I ##STR1## (b) a compound of formula II ##STR2## wherein X.sup..sym. is H.sup..sym. or a group of formula M.sup.n.sym. /n or N.sup..sym. (R)(R.sub.1)(R.sub.2)(R.sub.3), M.sup.n.sym. is a monovalent metal cation of valency n, n is 1, 2 or 3, each of R, R.sub.1, R.sub.2 and R.sub.3 independently is hydrogen, C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.6 cycloalkyl, phenyl or phenyl which is substituted by C.sub.1 -C.sub.18 alkyl, or R.sub.2 and R.sub.3, together with the linking nitrogen atom, are a pyrrolidine, imidazolidine, piperidine, piperazine or morpholine radical, or R.sub.1, R.sub.2 and R.sub.3, together with the linking nitrogen atom, are a pyrrole, pyridine, picoline, pyrazine, quinoline or isoquinoline radical, r and t are each independently of the other 0 or 1, with the proviso that at least one of r and t must be 1.
    Type: Grant
    Filed: December 22, 1987
    Date of Patent: September 5, 1989
    Assignee: Ciba-Geigy Corporation
    Inventors: Max Jost, Edward E. Jaffe, Philippe Bugnon
  • Patent number: 4791204
    Abstract: Compositions comprising(a) a pyrrolopyrrole of formula I ##STR1## wherein A and B are identical or different alkyl, aralkyl, aryl or heterocyclic aromatic radicals, R.sub.1 and R.sub.2 are hydrogen atoms, unsubstituted or substituted alkyl radicals, and also alkenyl, alkynyl, aralkyl, cycloalkyl, carbamoyl, alkylcarbamoyl, arylcarbamoyl, alkoxycarbonyl, aryl, alkanoyl or aroyl groups, and X is an --O-- or --S-- atom, and(b) a pyrrolopyrrole of the above formula I that contains at least one group of formula --SO.sub.3 L, --CO.sub.2 L, --PO.sub.3 (L).sub.2, --N(R.sub.4)(R.sub.5 ), ##STR2## oder --NHCOR wherein L is --H, a group of formula M.sub.n.sup.+n or N.sup.+ H(R.sub.3)(R.sub.4)(R.sub.5), M is a monovalent, divalent or trivalent metal cation, n is 1, 2 or 3, R.sub.3 R.sub.4 and R.sub.5 are each independently --H or alkyl, aralkyl, C.sub.5 -C.sub.6 cycloalkyl or aryl radicals, or R.sub.4 and R.sub.
    Type: Grant
    Filed: November 19, 1986
    Date of Patent: December 13, 1988
    Assignee: Ciba-Geigy Corporation
    Inventors: Max Jost, Abul Iqbal, Alain C. Rochat
  • Patent number: 4666455
    Abstract: Compounds of the formula ##STR1## in which R.sub.1 and R.sub.2 are unsubstituted or substituted phenyl or naphthyl, and R.sub.3 and R.sub.4 are alkyl, alkoxycarbonyl, phenyl, benzoyl or benszl, are suitable for dyeing high molecular weight organic material.
    Type: Grant
    Filed: January 29, 1986
    Date of Patent: May 19, 1987
    Assignee: Ciba-Geigy Corporation
    Inventors: Max Jost, Abul Iqbal, Alain C. Rochat
  • Patent number: 4585878
    Abstract: Compounds of the formula ##STR1## in which R.sub.1 and R.sub.2 are unsubstituted or substituted phenyl or naphthyl, and R.sub.3 and R.sub.4 are alkyl, alkoxycarbonyl, phenyl, benzoyl or benzyl, are suitable for dyeing high molecular weight organic material.
    Type: Grant
    Filed: June 18, 1984
    Date of Patent: April 29, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Max Jost, Abul Iqbal, Alain C. Rochat
  • Patent number: 4431721
    Abstract: A photoelectrophoretic imaging process, wherein a suspension of photosensitive pigment particles between two electrodes, at least one of which is transparent, is subjected to the influence of an electric field and exposed to an image, which process comprises using, as photosensitive pigment, a perylenetetracarboxylic acid diimide of the formula ##STR1## wherein R.sub.1 and R.sub.2 are aliphatic, cycloaliphatic, aromatic or heterocyclic radicals.The pigments used in this invention are distinguished by particularly good photoelectrophoretic sensitivity and low fog density.
    Type: Grant
    Filed: June 21, 1982
    Date of Patent: February 14, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Max Jost, Werner Sieber
  • Patent number: 4344767
    Abstract: The invention relates to a process for coloring linear polyesters in the melt. The process comprises the use of 1-hydroxy-4-phenylaminoanthraquinones of the formula ##STR1## wherein one X is a hydrogen atom and the other is an alkylsulfonyloxy or chloroalkylsulfoxy group and Y is a hydrogen or halogen atom or an alkyl group. The violet shades obtained are distinguished by excellent color strength and purity and also by good fastness properties.
    Type: Grant
    Filed: May 20, 1981
    Date of Patent: August 17, 1982
    Assignee: Ciba-Geigy Corporation
    Inventors: Gerhard Umsonst, Hans P. Kolliker, Max Jost
  • Patent number: 4341896
    Abstract: 1-Hydroxy-4-heteroarylaminoanthraquinones of the formula ##STR1## wherein Q is for example one of the two groups of the formulae ##STR2## are most suitable for the mass coloration of polyester. They are distinguished in particular by good lightfastness and purity of shade. Further definitions of Q will be found in claim 1.
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: July 27, 1982
    Assignee: Ciba-Geigy Corporation
    Inventor: Max Jost
  • Patent number: 4292232
    Abstract: A process for the mass coloration of thermoplastics with anthraquinonylaminotriazines of the formula ##STR1## wherein each of X.sub.1 and X.sub.2 is an alkylmercapto or arylmercapto group or a group of the formula --NR.sub.1 R.sub.2, in which each of R.sub.1 and R.sub.2 is alkyl, cycloalkyl, aralkyl or aryl, and R.sub.2 can additionally be hydrogen, or R.sub.1 and R.sub.2 together with the nitrogen atom to which they are attached and optionally a further heteroatom form a 5- or 6-membered ring, one Y is a hydrogen or chlorine atom, a hydroxy, arylmercapto, alkanoylamino or aroylamino group, or a group of the formula ##STR2## and the other Ys are hydrogen atoms, Hal is a chlorine or bromine atom, and n is 0 or 1. Yellow to orange colored fibres of clear shade, good color strength and fastness properties are obtained.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: September 29, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Joachim Dazzi, Max Jost, Arnold Wick
  • Patent number: 4276213
    Abstract: The invention discloses a process for the coloration of organic material of high molecular weight, wherein the colorant is a compound of the formula ##STR1## wherein Hal represents a chlorine or bromine atom, X represents a hydrogen or halogen atom, an alkyl or alkoxy group of 1 to 6 carbon atoms, an alkoxycarbonyl group of 2 to 7 carbon atoms, a phenyl group or a phenoxy group which is unsubstituted or substituted by chlorine atoms or methyl groups, and Y and Z represent hydrogen or halogen atoms or methyl groups.
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: June 30, 1981
    Assignee: Ciba-Geigy Corporation
    Inventor: Max Jost
  • Patent number: 4176113
    Abstract: Use of anthraquinone derivatives of the formula ##STR1## wherein X is --NH-- or --S--, one Y is --NHCOR, R being an alkyl, aryl or heterocyclic residue, the other Y are hydrogen, Z is halogen, and n is 0, 1, 2 or 3, whereby Z may be 1 to 3 halogen bound to aryl and/or anthraquinone nucleus and/or the residue R, for dyeing polyesters in the melt.
    Type: Grant
    Filed: October 21, 1977
    Date of Patent: November 27, 1979
    Assignee: Ciba-Geigy Corporation
    Inventors: Arnold Wick, Max Jost
  • Patent number: 4128396
    Abstract: Process for the improvement of dyeing properties of pigments of the anilino and arylmercapto anthraquinone series for bulk dyeing linear polyesters by halogenation of unhalogenated or lower halogenated compounds of the formula ##STR1## WHEREIN A is an anthraquinoidal radical being free from nitro groups, X is --NH-- or --S--, n is a number of 1 to 4 and R.sub.1 to R.sub.5 are hydrogen, halogen, alkyl, alkoxy, aryloxy, arylcarbonyl or arylsulphonyl.
    Type: Grant
    Filed: September 28, 1977
    Date of Patent: December 5, 1978
    Assignee: Ciba-Geigy Corporation
    Inventors: Arnold Wick, Max Jost
  • Patent number: 4126626
    Abstract: New arylaminoanthraquinones of the formula ##STR1## in which one X denotes an aryloxy or arylmercapto group, the other X denote hydrogen atoms, one Y denotes a nitro group and the other Y denotes a hydrogen atom and W denotes a hydrogen atom or a methyl, methoxy or trifluoromethyl group which are suitable for dyeing high-molecular organic compounds, especially for the bulk dyeing of linear polyesters.
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: November 21, 1978
    Assignee: Ciba-Geigy Corporation
    Inventor: Max Jost
  • Patent number: 4082778
    Abstract: An arylaminoanthraquinone of the formula ##STR1## in which one X, in the 5- or 8-position, denote either the radical of the formula ##STR2## or a hydrogen atom, the other X denote hydrogen atoms, alkoxy groups with 1-4 C atoms, aryloxy, arylmercapto or acylamino groups, one Y denotes a nitro group and the other denotes a hydrogen atom, one or two Z which are not adjacent to the nitro group denote chlorine atoms and the remaining Z denote hydrogen atoms, and the Q denote hydrogen or halogen atoms which is useful for coloring high-molecular material.
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: April 4, 1978
    Assignee: Ciba-Geigy Corporation
    Inventors: Max Jost, Arnold Wick
  • Patent number: 3975410
    Abstract: Process for the manufacture of halogen-containing anthraquinoidal compounds being useful for bulk dyeing high molecular organic compounds and having the formula ##SPC1##Wherein A is an anthraquinoidal radical being free from nitro groups, X is --NH-- or --S--, n is a number of 1 to 4. R.sub.1 to R.sub.
    Type: Grant
    Filed: September 27, 1974
    Date of Patent: August 17, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Arnold Wick, Max Jost
  • Patent number: 3956324
    Abstract: Anthraquinone dyestuffs of the formula ##SPC1##Wherein A.sub.1, A.sub.2 and A.sub.3 denote identical or different anthraquinonoid radicals, Q, X, Y and Z denote hydrogen atoms or alkyl groups with 1 to 4 carbon atoms and Z further denotes the radical A.sub.1 NH--, and the radicals A.sub.1 NH-- and A.sub.2 NH-- as well as A.sub.3 NH-- and Z, if Z denotes the radical A.sub.1 NH--, are in the m-- or p-position relative to one another which are useful for pigmenting thermoplastic polymers in the mass.
    Type: Grant
    Filed: January 10, 1975
    Date of Patent: May 11, 1976
    Assignee: Ciba-Geigy Corporation
    Inventor: Max Jost
  • Patent number: 3939113
    Abstract: Process for the bulk dyeing of polyesters, characterised in that the dyestuffs used are anthraquinone derivatives of the formula ##SPC1##Wherein Q denotes one of the bridge members --O-- or --CO--, R denotes hydrogen or an alkyl group containing 1-4 carbon atoms, Ar denotes an aryl group, n denotes a number from 1 to 4, X, Y and Z denote an amino, hydroxyl, alkoxy, aryloxy, alkylmercapto, arylmercapto, arylamino or aroylamino group or halogen and a, b and c each denote zero or a number from 1 to 4, with the sum of n+a+b+c being a number from 1 to 6.
    Type: Grant
    Filed: July 29, 1974
    Date of Patent: February 17, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Arnold Wick, Max Jost