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: 4914211Abstract: 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: GrantFiled: August 12, 1988Date of Patent: April 3, 1990Assignee: Ciba-Geigy CorporationInventors: Max Jost, Abul Iqbal, Alain C. Rochat
-
Patent number: 4892945Abstract: 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: GrantFiled: December 8, 1988Date of Patent: January 9, 1990Assignee: Ciba-Geigy CorporationInventors: Max Jost, Kurt Burdeska, Jost von der Crone
-
Patent number: 4863522Abstract: 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: GrantFiled: December 22, 1987Date of Patent: September 5, 1989Assignee: Ciba-Geigy CorporationInventors: Max Jost, Edward E. Jaffe, Philippe Bugnon
-
Patent number: 4791204Abstract: 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: GrantFiled: November 19, 1986Date of Patent: December 13, 1988Assignee: Ciba-Geigy CorporationInventors: Max Jost, Abul Iqbal, Alain C. Rochat
-
Patent number: 4666455Abstract: 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: GrantFiled: January 29, 1986Date of Patent: May 19, 1987Assignee: Ciba-Geigy CorporationInventors: Max Jost, Abul Iqbal, Alain C. Rochat
-
Patent number: 4585878Abstract: 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: GrantFiled: June 18, 1984Date of Patent: April 29, 1986Assignee: Ciba-Geigy CorporationInventors: Max Jost, Abul Iqbal, Alain C. Rochat
-
Patent number: 4431721Abstract: 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: GrantFiled: June 21, 1982Date of Patent: February 14, 1984Assignee: Ciba-Geigy CorporationInventors: Max Jost, Werner Sieber
-
Patent number: 4344767Abstract: 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: GrantFiled: May 20, 1981Date of Patent: August 17, 1982Assignee: Ciba-Geigy CorporationInventors: Gerhard Umsonst, Hans P. Kolliker, Max Jost
-
Patent number: 4341896Abstract: 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: GrantFiled: May 19, 1980Date of Patent: July 27, 1982Assignee: Ciba-Geigy CorporationInventor: Max Jost
-
Patent number: 4292232Abstract: 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: GrantFiled: November 13, 1979Date of Patent: September 29, 1981Assignee: Ciba-Geigy CorporationInventors: Joachim Dazzi, Max Jost, Arnold Wick
-
Patent number: 4276213Abstract: 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: GrantFiled: June 18, 1979Date of Patent: June 30, 1981Assignee: Ciba-Geigy CorporationInventor: Max Jost
-
Patent number: 4176113Abstract: 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: GrantFiled: October 21, 1977Date of Patent: November 27, 1979Assignee: Ciba-Geigy CorporationInventors: Arnold Wick, Max Jost
-
Patent number: 4128396Abstract: 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: GrantFiled: September 28, 1977Date of Patent: December 5, 1978Assignee: Ciba-Geigy CorporationInventors: Arnold Wick, Max Jost
-
Patent number: 4126626Abstract: 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: GrantFiled: June 20, 1977Date of Patent: November 21, 1978Assignee: Ciba-Geigy CorporationInventor: Max Jost
-
Patent number: 4082778Abstract: 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: GrantFiled: July 12, 1976Date of Patent: April 4, 1978Assignee: Ciba-Geigy CorporationInventors: Max Jost, Arnold Wick
-
Patent number: 3975410Abstract: 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: GrantFiled: September 27, 1974Date of Patent: August 17, 1976Assignee: Ciba-Geigy CorporationInventors: Arnold Wick, Max Jost
-
Patent number: 3956324Abstract: 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: GrantFiled: January 10, 1975Date of Patent: May 11, 1976Assignee: Ciba-Geigy CorporationInventor: Max Jost
-
Patent number: 3939113Abstract: 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: GrantFiled: July 29, 1974Date of Patent: February 17, 1976Assignee: Ciba-Geigy CorporationInventors: Arnold Wick, Max Jost