Patents by Inventor Gary Wooden
Gary Wooden 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).
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Patent number: 5968252Abstract: Compounds of formula ##STR1## wherein R and R' are each independently of the other hydrogen, C.sub.1 -C.sub.18 alkyl, COR.sub.1, COR.sub.2 or COOR.sub.1,X and X' are each independently of the other hydrogen, halogen, OH, NH.sub.2, COOH, C.sub.1 -C.sub.18 -alkyl, isocyclic or heterocyclic aromatic radicals, OR.sub.3, OCOR.sub.3, OCOR.sub.4, OCOR.sub.3, NHR.sub.3, N(R.sub.3).sub.2, NHCOR.sub.3, NHCOR.sub.4 or NHCOOR.sub.3,Y and Y' are each independently of the other hydrogen, halogen, OH, NH.sub.2, nitro, cyano, C.sub.1 -C.sub.18 alkyl, isocyclic or heterocyclic aromatic radicals, COR.sub.5, COR.sub.6, COOR.sub.5, COOR.sub.6, CONH.sub.2, SO.sub.2 R.sub.5, SO.sub.2 R.sub.6, SO.sub.2 NH.sub.2, SO.sub.3 H, PO(OR.sub.5).sub.2 or PO(OH).sub.2, andZ and Z' are each independently of the other hydrogen, halogen, OH, NH.sub.2, COOH, cyano, C.sub.1 -C.sub.18 alkyl, isocyclic or heterocyclic aromatic radicals, OR.sub.7, OR.sub.8, OCOR.sub.7, OCOR.sub.8, OCOOR.sub.7, NHR.sub.7, N(R.sub.7).sub.2, NHR.sub.8, CONH.sub.Type: GrantFiled: March 24, 1998Date of Patent: October 19, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Robert Moretti, Gary Wooden
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Patent number: 5738719Abstract: A pigment composition, comprisinga) 80-99.8 mol % of a diketopyrrolopyrrole of formula ##STR1## wherein A and B are each independently of the other a ##STR2## wherein R.sub.1 and R.sub.2 are each independently of the other hydrogen, chloro, bromo, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.8 alkoxy, C.sub.2 -C.sub.19 alkoxycarbonyl, C.sub.2 -C.sub.19 alkylcarbamoyl, C.sub.1 -C.sub.18 alkylmercapto, C.sub.1 -C.sub.18 alkylamino, C.sub.5 -C.sub.6 cycloalkyl, G is a direct bond or --O--, --S--, --SO--, --SO.sub.2 -- or --NR.sub.5 --, R.sub.3 and R.sub.4 are each independently of the other hydrogen, chloro, bromo, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.18 alkoxy or C.sub.1 -C.sub.18 alkylamino, and R.sub.5 is hydrogen or C.sub.1 -C.sub.6 alkyl, andb) 20-0.2 mol % of a diketopyrrolopyrrole of formula ##STR3## wherein one of R.sub.6 or R.sub.7 is hydrogen and the other is --CN. Such pigment compositions are distinguished by excellent resistance to recrystallisation and heat.Type: GrantFiled: February 14, 1997Date of Patent: April 14, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Olof Wallquist, Ingo Schloder, Gary Wooden
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Patent number: 5492564Abstract: The pigment form of the diketopyrrolopyrrole pigment of formula ##STR1## having high saturation, characterised by a chroma C*.sub.ab of at least 45 in the CIELAB system when incorporated in a plasticised PVC pressed sheet. This pigment has superior opacity and an unexpectedly high chroma.Type: GrantFiled: March 23, 1994Date of Patent: February 20, 1996Assignee: Ciba-Geigy CorporationInventors: Gary Wooden, Ingo Schloder, Olof Wallquist
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Patent number: 5476949Abstract: Finely divided 1,4-diketopyrrolo[3,4-c]pyrroles of the formula ##STR1## where A and B are each independently of the other a radical of the formula ##STR2## wherein at least 84% by weight of the particles have a Stokes equivalent diameter of .ltoreq.0.25 .mu.m, and mixtures thereof.The substituents R.sub.1 and R.sub.2 are defined in claim 1.These pigments are notable for a very pure hue and outstanding transparency.Type: GrantFiled: July 21, 1994Date of Patent: December 19, 1995Assignee: Ciba-Geigy CorporationInventors: Olof Wallquist, Gary Wooden, Thomas Eichenberger, Ingo Schloder
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Patent number: 5424452Abstract: 1,4-Diketopyrrolo[3,4-c]pyrroles of formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently of one another hydrogen, Cl, Br, CH.sub.3, OCH.sub.3, CN or phenyl, and at least one of the substituents R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is a group--O(CH.sub.2).sub.n X or --O(CH.sub.2 CH.sub.2 O).sub.p CH.sub.2 CH.sub.2 Xwhereinn is an integer from 2 to 12, andp is an integer from 1 to 3,X is a heterocyclic radical selected from the group consisting of pyrrolyl and indolyl, or is a substituted amino group as defined in the specification.Pigment compositions comprising a minor amount of said compounds and diketopyrrolopyrrole pigments have excellent rheological and colouristic properties, especially in paint systems and in printing inks.Type: GrantFiled: June 9, 1994Date of Patent: June 13, 1995Assignee: Ciba-Geigy CorporationInventors: Gary Wooden, Guy de Weck, Olof Wallquist
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Patent number: 5378276Abstract: Diketopyrrolopyrroles of formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently of one another hydrogen, chloro, C.sub.1 -C.sub.4 alkyl, methoxy, phenyl, cyano or a group--X.sub.1 --V--X.sub.2 --T--A,in which at least one of R.sub.1, R.sub.2, R.sub.3 or R.sub.Type: GrantFiled: February 17, 1994Date of Patent: January 3, 1995Assignee: Ciba-Geigy CorporationInventors: Laurent Chassot, Gary Wooden
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Patent number: 5342955Abstract: 1,4-Diketopyrrolo[3,4-c]pyrroles of formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently of one another hydrogen, Cl, Br, CH.sub.3, OCH.sub.3, CN or phenyl, and at least one of the substituents R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is a group--O(CH.sub.2).sub.n X or --O(CH.sub.2 CH.sub.2 O).sub.p CH.sub.2 CH.sub.2 Xwhereinn is an integer from 2 to 12, andp is an integer from 1 to 3,X is a heterocyclic radical selected form the group consisting imidazolyl, pyrazolyl, triazolyl, piperazinyl, pyridinyl, pyrrolyl, thiazolyl, oxazolyl, benzoxazolyl, indolyl, benzthiazolyl, benzimidazolyl, benzotriazolyl, morpholinyl, piperidinyl and pyrrolidinyl, which radical is unsubstituted or substituted by one or two methyl groups, or is a group --NR.sub.5 R.sub.6 or --N[(CH.sub.2).sub.n -NR.sub.5 R.sub.6 ].sub.2, whereinR.sub.5 and R.sub.6 are each independently of the other hydrogen, C.sub.1 -C.sub.6 alkyl or C.sub.5 -C.sub.6 cycloalkyl.Type: GrantFiled: December 16, 1992Date of Patent: August 30, 1994Assignee: Ciba-Geigy CorporationInventors: Gary Wooden, Guy de Weck, Olof Wallquist
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Patent number: 5271759Abstract: Pigment compositions comprisinga) at least one organic pigment,b) 0.05 to 10% by weight, based on the organic pigment a), of at least one modified organic pigment of formula ##STR1## wherein A is the radical of an organic pigment, X is H, Na or K and m is an integer from 0.05 to 3, andc) 0.05 to 10% by weight, based on the organic pigment a), of at least one polymeric ammonium salt having an average molecular weight from 500 to 2 500 000 and which is soluble in water or a lower alkanol.These pigment compositions have excellent suitability for the wrap-free pigmenting of polyolefins and, when incorporated in paint systems and printing inks, exhibit excellent rheology.Type: GrantFiled: May 1, 1992Date of Patent: December 21, 1993Assignee: Ciba-Geigy CorporationInventors: Gary Wooden, Olof Wallquist
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Patent number: 5238984Abstract: Dianthraquinonyl compounds of formula ##STR1## wherein X is a radical R.sub.1, R.sub.2, R.sub.3 or R.sub.4, andR.sub.1 is alkyl or alkenyl of not less than 8 carbon atoms,R.sub.2 is --OR.sub.1 or --SR.sub.1,R.sub.3 is --NHR.sub.1 or --N(R.sub.1).sub.2, andR.sub.4 is a group of formula ##STR2## wherein R.sub.5 is --NHR.sub.1, --N(R.sub.1).sub.2, --OR.sub.1 or --SR.sub.1 and n is 0, 1 or 2, andR.sub.6 and R.sub.7 are each independently of the other hydrogen, halogen, nitro, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy.These dianthraquinonyl compounds are preeminently suitable for the mass coloration of plastics materials, especially of polyolefins.Type: GrantFiled: June 11, 1991Date of Patent: August 24, 1993Assignee: Ciba-Geigy CorporationInventors: Olof Wallquist, Guy de Weck, Gary Wooden
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Patent number: 5202454Abstract: The invention relates to a new process for the preparation of 1-bromoalkyl hydrocarbyl carbonates.The carbonates according to the invention are prepared by reacting an alpha-chlorinated carbonate of formula ##STR1## with an anhydrous brominated compound of formula ZBr in which Z represents hydrogen, the group (CH.sub.3).sub.3 -Si-, the group ##STR2## or bromine if R.sub.2 is other than an aromatic radical, in the presence of a catalyst chosen from the group consisting of heteroaromatic amines, quaternary ammonium or phosphonium halides, hexasubstituted guanidinium halides, alkaline earth metal halides or alkali metal halides in combination with a complexing agent for their cation.The carbonates according to the invention find their preferential applications as blocking agents for some antibiotics or as agents for the synthesis of phosphorus-containing carbonates which can be used as insecticides.Type: GrantFiled: November 21, 1991Date of Patent: April 13, 1993Assignee: Societe Nationale des Poudres et ExplosifsInventors: Gary Wooden, Gerard Sennyey, Jean-Pierre Senet
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Patent number: 5200528Abstract: 1,4-Diketopyrrolo[3,4-c]pyrroles of formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently of one another hydrogen, Cl, Br, CH.sub.3, OCH.sub.3, CN or phenyl, and at least one of the substituents, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is a group--O(CH.sub.2).sub.n X or --O(CH.sub.2 CH.sub.2 O).sub.p CH.sub.2 CH.sub.2 Xwhereinn is an integer from 2 to 12, andp is an integer from 1 to 3,X is a heterocyclic radical selected from the group consisting of imidazolyl, pyrazolyl, triazolyl, piperazinyl, pyridinyl, pyrrolyl, thiazolyl, oxazolyl, benzoxazolyl, indolyl, benzthiazolyl, benzimidazolyl, benzotriazolyl, morpholinyl, piperidinyl and pyrrolidinyl, which radical is unsubstituted or substituted by one or two methyl groups, or is a group--NR.sub.5 R.sub.6or--N[(CH.sub.2).sub.n --NR.sub.5 R.sub.6 ].sub.2, whereinR.sub.5 and R.sub.6 are each independently of the other hydrogen, C.sub.1 -C.sub.6 alkyl or C.sub.5 -C.sub.6 cycloalkyl.Type: GrantFiled: April 20, 1992Date of Patent: April 6, 1993Assignee: Ciba-Geigy CorporationInventors: Gary Wooden, Guy de Weck, Olof Wallquist
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Patent number: 4966995Abstract: The invention relates to a new process for the preparation of chlorides of carboxylic acids by reaction of tetrachloroethylene carbonate with a carboxylic acid of formula R(COOH).sub.n at a temperature of between 80.degree. and 160.degree. C.The radical R may be very diverse and n is an integer which can take the values 1 to 4.A solvent is not necessary. A catalyst may be employed.Acyl chlorides of a high purity are obtained.Type: GrantFiled: October 17, 1988Date of Patent: October 30, 1990Assignee: Societe Nationale des Poudres et ExplosifsInventors: Jeannine Chodorge, Jean-Pierre Senet, Gary Wooden