Patents by Inventor Thomas Kainmuller
Thomas Kainmuller 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: 6764616Abstract: A composition comprising (a) an epoxy resin, (b) an OH-terminated polysiloxane, (c) a cyclic polysiloxane and (d) a non-ionic, fluoroaliphatic surface-active reagent, exhibits excellent hydrophobicity properties and can be used as electrical insulating material.Type: GrantFiled: June 7, 2001Date of Patent: July 20, 2004Assignee: Huntsman Advanced Materials Americas Inc.Inventors: Christian Beisele, Thomas Kainmüller, Qian Tang
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Patent number: 5840238Abstract: Fiber-reinforced composites are made from introducing a fabric into the lower part of an open two-part mold, closing the mold and injecting into the mold under pressure and curing a reactive resin mixture comprising(a) a strained cycloolefin and(b) a ruthenium-containing catalyst.Type: GrantFiled: May 13, 1997Date of Patent: November 24, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Frans Setiabudi, Thomas Kainmuller
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Patent number: 5270435Abstract: Polyarylene ethers which, based on the total amount of the structural units present in the polyether resin, contain 2-100 mol % of a recurring structural unit of formula I ##STR1## and 0-98 mol % of a recurring structural unit of formula II wherein each a is 1 or 2, 10 to 100% of X, based on the total number of the bonds X present in the structural units of formulae I and II, are --SO.sub.2 --, and 0 to 90% of X are --CO--, and A is a group of formula IIIa-IIIg: ##STR2## wherein Y is --CH.sub.2 --, --C(CH.sub.3).sub.2 --, --C(CF.sub.3).sub.2 --, --S--, --SO--, --SO.sub.2 --, --O-- or --CO--, and the aromatic rings in the structural units of formulae I and II are unsubstituted or substituted by one or more alkyl groups of 1 to 4 carbon atoms, have good solubility in organic solvents and are suitable preferably for modifying other plastics materials or for use as matrix resins for the production of fibrous composite structures.Type: GrantFiled: January 9, 1992Date of Patent: December 14, 1993Assignee: Ciba-Geigy CorporationInventors: Rudolf Pfaendner, Thomas Kainmuller, Kurt Hoffmann, Andreas Kramer, Friedrich Stockinger
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Patent number: 5212278Abstract: The invention relates to polyarylene ethers which contain, based on the total amount of structural elements present in the polyether resin, 5-100 mol % of a recurring structural element of the formula I ##STR1## and 0-95 mol % of a recurring structural element of the formula II ##STR2## in which X and X' independently of one another are --SO--, --SO.sub.2 -- or --CO--, one of the radicals R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is phenyl or phenyl which is substituted by one to three (C.sub.1 -C.sub.4)alkyl groups and the remaining radicals R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently of one another are hydrogen, (C.sub.1 -C.sub.4)alkyl, phenyl or phenyl which is substituted by one to three (C.sub.1 -C.sub.4)alkyl groups, and A is an aromatic radical, at least 25% of the bonds X and/or Y and/or the bridge members contained in A being --SO.sub.2 --.These industrial materials are distinguished by very good mechanical properties and good solubility.Type: GrantFiled: March 13, 1990Date of Patent: May 18, 1993Assignee: Ciba-Geigy CorporationInventors: Rudolf Pfaendner, Thomas Kainmuller, Kurt Hoffmann, Andreas Kramer, Friedrich Stockinger
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Patent number: 5212264Abstract: There are disclosed substantially linear polyarylene ether sulfones having a reduced viscosity of having a reduced viscosity of ca. 0.25 to ca. 1.5 dl/g (measured in a 1% solution in DMF at 25.degree. C.) and consisting essentially of 95-99.8% by weight of segments of formula I and of 5-0.2% by weight of segments of formula IIa, formula IIb and/or formula IIc ##STR1## the percentages by weight being based on the entire polymer and the molecular weight (number average) of the segments of formula I being 6000 to ca. 60 000, if the polymer contains solely structural units of formula IIa and/or IIb, and 1000 to ca. 60 000 if the polymer contains more than 0.1% by weight of structural units of formula IIc, and R consists of the recurring structural units of formula Ia and/or of up to 99.8% by weight, based on the total polymer, of recurring structural units of formula Ib ##STR2## wherein R.sub.1 is C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.10 alkenyl, phenyl or halogen, p is an integer from 0 to 4 Ar.sub.1 and Ar.Type: GrantFiled: March 16, 1992Date of Patent: May 18, 1993Assignee: Ciba-Geigy CorporationInventors: Kurt Hoffmann, Thomas Kainmuller, Rudolf Pfaendner
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Patent number: 5171873Abstract: A process for the preparation of hydroxybenzylphosphonates of forula ##STR1## by reacting Mannich base of formula ##STR2## with as trialkyl phosphite of formula ##STR3## wherein R.sub.1 and R.sub.2 are each independently of the other C.sub.1 -C.sub.12 alkyl or, when taken together form a piperidinyl or morpholinyl radical, and R.sub.5, R.sub.6 and R.sub.7 are each independently of one another C.sub.1 -C.sub.4 alkyl, which reaction is carried out in the presence of a carboxylic anhydride (IV).The compounds of formula I may suitably be used as processing stabilizers for plastics.Type: GrantFiled: April 1, 1992Date of Patent: December 15, 1992Assignee: Ciba-Geigy CorporationInventors: Thomas Kainmuller, Rudolf Maul
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Patent number: 5126427Abstract: Polyarylene ether sulfones which have a reduced viscosity of 0.1 to 2.0 dl/g, measured at 25.degree. C. in a 1% solution in N-methylpyrrolidone (NMP), and which contain, based on the total number of structural units present in the polyarylene ether sulfone resin, 99-1 mol % of a recurring structural unit of formula I ##STR1## and 1-99 mol % of a recurring structural unit of formula II--O--Ar.sub.2 --O--Ar.sub.1 -- (II)wherein the aromatic rings in the structural unit of formula I are unsubstituted or substituted by one or more C.sub.1 -C.sub.4 alkyl groups, C.sub.1 -C.sub.4 alkoxy groups or halogen atoms, Ar.sub.1 is a radical of formula IIIa-IIIc ##STR2## wherein a is 0 or 1, ##STR3## which radical is unsubstituted or substituted by one or more C.sub.1 -C.sub.4 alkyl groups, C.sub.1 -C.sub.4 alkoxy groups or halogen atoms, and Ar.sub.2 is a radical of formula IVa-IVe ##STR4## wherein b is 0 or 1 ##STR5## wherein c is 0 or 1 ##STR6## wherein Z is --CO--, --SO.sub.Type: GrantFiled: March 6, 1991Date of Patent: June 30, 1992Assignee: Ciba-Geigy CorporationInventors: Rudolf Pfaendner, Thomas Kainmuller, Kurt Hoffmann, Friedrich Stockinger, Andreas Kramer
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Patent number: 5034439Abstract: Flame-resistant polyester moulding compounds comprising(A) 70-95% by weight of a specific polyester mixture made up of polyethylene terephthalate, polybutylene terephthalate copolyester with 3-30 mol % of an aliphatic dicarboxylic acid containing up to 36 C atoms, and, if desired, polybutylene terephthalate, and(B) 30-5% by weight of a flame-retardant additive made up of a bromine-containing organic compound and an antimony compound selected from the group comprising Sb.sub.2 O.sub.5, NaSbO.sub.3 and Sb.sub.2 O.sub.3, with a mean particle size of not less than 2 .mu.m,are particularly suitable for the production of partially crystalline mouldings by means of injection moulding. The mouldings are distinguished by a light self-colour with comparatively good thermal, mechanical and electrical properties.Type: GrantFiled: December 21, 1989Date of Patent: July 23, 1991Assignee: Ciba-Geigy CorporationInventors: Franz Breitenfellner, Thomas Kainmuller
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Patent number: 4623562Abstract: A process for producing light-reflecting bodies is described. The wall of the light-reflecting body consists of a polyalkylene terephthalate and/or a copolyester thereof, containing in each case 10-40% by weight of a finely-divided filler, a light-reflecting metal layer being applied directly to at least one surface of the wall. According to the novel process, a polyester moulding compound containing:(a) 90-60% by weight of a polyalkylene terephthalate and/or copolyester thereof, or of a mixture of polyalkylene terephthalates, and(b) 10-40% by weight of a finely-divided filleris subjected before shaping, at elevated temperature but at a temperature below the melting point of the moulding compound, to a vacuum treatment.Type: GrantFiled: November 27, 1985Date of Patent: November 18, 1986Assignee: Ciba-Geigy CorporationInventors: Franz Breitenfellner, Karl Leidig, Thomas Kainmuller
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Patent number: 4535145Abstract: The invention relates to a novel process for the preparation of compounds of the formula I ##STR1## by polycondensation of a diol of the formula II ##STR2## with a dicarboxylic acid ester of the formula III ##STR3## In the above formulae, the substituents and symbols R.sub.1, R.sub.2, R.sub.3 and n are as defined in claim 1.The process comprises stirring the reaction medium which contains an excess of 2 to 50 mol. %, based on the diol of formula II, of the dicarboxylic acid ester of the formula III, in the presence of at least 0.03 mol. % of a suitable catalyst, until the bulk of the alkanol of the formula R.sub.3 OH formed during the reaction is distilled off, under a pressure of 0.7 to 1.3 bar, and thereafter stirring under a pressure of less than 5 mbar, in the temperature range from 100.degree. to 170.degree. C., and subsequently working up the resultant melt in conventional manner.Type: GrantFiled: June 29, 1984Date of Patent: August 13, 1985Assignee: Ciba-Geigy CorporationInventors: Eduard Troxler, Thomas Kainmuller, Rudolf Maul
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Patent number: 4499219Abstract: Moulding compositions based on thermoplastic polyesters can be effectively protected against thermal degradation, if they contain, as a first stabilizer, a polyepoxide compound and, as a second stabilizer, a bisoxazoline or a dicarboxylic acid imide or amide.Type: GrantFiled: November 21, 1983Date of Patent: February 12, 1985Assignee: Ciba-Geigy CorporationInventors: Lothar Buxbaum, Franz Breitenfellner, Thomas Kainmuller
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Patent number: 4456723Abstract: Moulding compositions based on thermoplastic polymers, which compositions optionally contain fillers, reinforcing fillers and/or fire-retarding agents, have improved tracking resistance, and, in the case where a noninflammable finish has been imparted, they reduce both the corrosiveness on contact metals and the dripping tendency.Type: GrantFiled: October 21, 1982Date of Patent: June 26, 1984Assignee: Ciba-Geigy CorporationInventors: Franz Breitenfellner, Thomas Kainmuller
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Patent number: 4315849Abstract: Flame-resistant plastics moulding material formed from a polymer, preferably a thermoplast, and a halogenated benzimidazolone or halogenated benzimidazolone derivative, such as N,N'-di-(2-hydroxyethyl)-4,5,6,7-tetrabromobenzimidazolone or 4,5,6,7-tetrabromobenzimidazolone calcium, as a flame-resistant agent. The flame-resistant agent is added to the polymer at any suitable stage of production by a simple mixing together of the constituents, whereby this flame-resistant agent must not react chemically with the polymer.Type: GrantFiled: August 22, 1980Date of Patent: February 16, 1982Assignee: Ciba-Geigy CorporationInventors: Lothar Buxbaum, Jurgen Habermeier, Franz Breitenfellenr, Thomas Kainmuller
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Patent number: 4281103Abstract: Dicarboxylic acids containing at least two triazine rings are very suitable for producing thermoplastic polyesters having high glass transition temperatures and high dimensional stability under heat, and at the same time good processing characteristics.Type: GrantFiled: January 28, 1980Date of Patent: July 28, 1981Assignee: Ciba-Geigy CorporationInventors: Thomas Kainmuller, Jurgen Habermeier, Lothar Buxbaum
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Patent number: 4228281Abstract: Dicarboxylic acids containing at least two triazine rings are very suitable for producing thermoplastic polyesters having high glass transition temperatures and high dimensional stability under heat, and at the same time good processing characteristics.Type: GrantFiled: September 18, 1978Date of Patent: October 14, 1980Assignee: Ciba-Geigy CorporationInventors: Thomas Kainmuller, Jurgen Habermeier, Lothar Buxbaum
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Patent number: 4104297Abstract: Thermoplastic polyesters based on aromatic diols are flexible, possess good working properties and have a high glass transition temperature when they contain dicarboxylic acids having N,N-heterocyclic rings.Type: GrantFiled: May 6, 1977Date of Patent: August 1, 1978Assignee: Ciba-Geigy CorporationInventors: Lothar Buxbaum, Thomas Kainmuller, Jurgen Habermeier
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Patent number: 4066626Abstract: Linear thermoplastic polyesters based on imidazolidine-4,5-dione-dicarboxylic acids are useful moulding compounds with high glass transition temperatures and good working properties.Type: GrantFiled: April 20, 1976Date of Patent: January 3, 1978Assignee: Ciba-Geigy CorporationInventors: Hans Herzog, Lothar Buxbaum, Thomas Kainmuller, Jurgen Habermeier
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Patent number: 4055570Abstract: Dicarboxylic acids and dicarboxylic acid derivatives which contain N,N-imidazolidine-4,5-diones are useful monomers for the manufacture of polymers, in particular polyesters.Type: GrantFiled: April 14, 1976Date of Patent: October 25, 1977Assignee: Ciba-Geigy CorporationInventors: Hans Herzog, Lothar Buxbaum, Thomas Kainmuller, Jurgen Habermeier