Patents by Inventor Jochen Dauth
Jochen Dauth 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: 5990334Abstract: Ionic organosilicon compounds comprising siloxane units of the formulaA.sub.a R.sub.b X.sub.c SiO.sub.(4-a-b-c)/2 (I),in whichR is an identical or different, optionally halogenated hydrocarbon radicals having 1 to 12 carbon atoms or radicals of the formulae--R'--((NHCH.sub.2 CH.sub.2).sub.o --(N.sup.+ H.sub.2 CH.sub.2 CH.sub.2).sub.p --N.sup.(x+q-2)+ H.sub.x R".sub.q).sub.d-1 (II)--R'--(SH).sub.d-1 (III)or--R'--(Z--C (O)--CR'"=CH.sub.2).sub.d-1 (IV)in whichR', R", Z, R'", o, p, q, x, d, X and A have the meaning given in claim 1 anda is 0 or 1,b is 0, 1, 2 or 3,c is 0, 1, 2 or 3and the sum a+b+c is.ltoreq.Type: GrantFiled: December 9, 1997Date of Patent: November 23, 1999Assignee: Wacker-Chemie GmbHInventors: Thomas Hierstetter, Jochen Dauth, Birgit Peschanel, Bernward Deubzer
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Patent number: 5969077Abstract: Organosiloxane compounds bearing nitrogen-containing heterocycles, in which the heterocycles are bonded to a silicon atom via divalent radicals containing a unit of the general formula (I) ##STR1## in which E is one of the radicals --O--, --S--, --NR.sup.1 -- or --N.dbd., where R and R.sup.1 are each a C.sub.1 - to C.sub.20 -hydrocarbon radical which is optionally substituted by halogen, amine, ammonium or mercapto groups and may optionally be interrupted by groups chosen from --C(O)--, --C(O)--O--, --C(O)--NR.sup.3 --, --NR.sup.3 --, --O--, --S--, and--N.dbd. is a constituent of a heterocycle,can be used for the treatment of textile fibers, textile sheet materials and leather and as stabilizers in synthetic polymers.Type: GrantFiled: September 30, 1998Date of Patent: October 19, 1999Assignee: Wacker-Chemie GmbHInventors: Robert Schrock, Jochen Dauth, Bernward Deubzer
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Patent number: 5869726Abstract: A novel process for preparing organosilicon compounds containing (meth)acxyloxy groups is described, in which alkoxylated alk-2-yne 1,4-di(meth)acrylates (1) of the formula ##STR1## where R.sup.2 is a hydrogen atom or a methyl radical,R.sup.3 is a linear or branched alkylene radical having from 1 to 6 carbon atoms per radical andR.sub.4 is a linear or branched alkylene radical having from 1 to 6 carbon atoms per radical, andz is an integer from 1 to 12,are reacted with organosilicon compounds (2) comprising units of the formula ##STR2## where R is an identical or different monovalent, optionally halogenated hydrocarbon radical having from 1 to 18 carbon atoms per radical, ande is 0 or 1, on average from 0.01 to 1.0,f is 0, 1, 2 or 3, on average from 0.0 to 3.Type: GrantFiled: September 16, 1997Date of Patent: February 9, 1999Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Bernward Deubzer, Petra Gratzl, Josef Wolferseder
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Patent number: 5840951Abstract: Organosilicon compounds containing amino groups, their preparation and their useOrganosilicon compounds containing amino groups and comprisinga) siloxane units of the formulaR.sub.a Si(OR.sup.1).sub.b O.sub.(4-a-b)/2 (I)andb) at least one unit per molecule selected from the group consisting of units of the formulaeAR.sub.C SiO.sub.(4-c-1)/2 (II),O.sub.(4-c-1)/2 R.sub.C Si--A.sup.1 --R.sub.C SiO.sub.(4-c-1)/2 (III)or ##STR1## where R is an identical or different hydrocarbon radical which has from 1 to 18 carbon atoms, optionally substituted by halogen atoms, alkoxy groups or hydroxy groups where the hydrocarbon radical is optionally interrupted by oxygen atoms,R.sup.1 is an identical or different alkyl radical which is optionally interrupted by oxygen atoms,a is 0, 1, 2 or 3 andb is 0, 1, 2 or 3, with the proviso that the sum a+b is not greater than 3, andc is 0, 1 or 2,A is a radical of the formula--R.sup.2 R.sup.3.sub.z N(--CR.sup.4.sub.2 --R.sup.5).sub.(2-z) (V),A.sup.Type: GrantFiled: July 7, 1997Date of Patent: November 24, 1998Assignee: Wacker-Chemie GmbHInventors: Thomas Hierstetter, Jochen Dauth, Joerg Pfister, Bernward Deubzer
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Patent number: 5705589Abstract: The organosilanes and organopolysiloxanes containing groups which form free radicals and are soluble in organic solvents, processes for their preparation, macromonomers and graft copolymers from the organosilanes and organopolysiloxanes according to the invention as free radical initiators and organic monomers which can be polymerized by free radicals, a process for the preparation of the macromonomers and graft copolymers and their use.Type: GrantFiled: July 12, 1995Date of Patent: January 6, 1998Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Bernward Deubzer, Oskar Nuyken, Brigette Voit, Ralf Kollefrath
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Patent number: 5703190Abstract: The present invention relates to crosslinkable compositions are described, containing(1) organosilicon compounds which have radicals containing aliphatic carbon-carbon multiple bonds, and(2) organosilicon compounds having Si-bonded hydrogen atoms, or(3) organosilicon compounds where radicals with aliphatic carbon-carbon multiple bonds and Si-bonded hydrogen atoms are present in the same compound,(4) catalysts which promote the addition of Si-bonded hydrogen onto aliphatic multiple bond, and(5) agents which retard the addition of Si-bonded hydrogen onto aliphatic multiple bond at room temperature, of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.4, R.sup.5 and R.sup.6 are identical or different and are a hydrogen atom or a monovalent, substituted or unsubstituted hydrocarbon radical having 1 to 12 carbon atoms per radical,R.sup.Type: GrantFiled: August 23, 1996Date of Patent: December 30, 1997Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Christian Herzig, Bernward Deubzer, Klaus Schnitzer, David Huettner
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Patent number: 5627296Abstract: The present invention provides novel phosphorus-containing organosilicon compounds which can be prepared in a simple manner using readily obtainable starting materials, which are hydrophilic to water-soluble and whose hydrophilicity or water-solubility can be specifically controlled by modification of the phosphorus-containing organosilicon compounds.Type: GrantFiled: November 15, 1995Date of Patent: May 6, 1997Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Hans Mayer, Bernward Deubzer, Petra Gratzl
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Patent number: 5605983Abstract: The invention relates to partially crosslinked organopolysiloxanes which contain a radical forming group, a base-catalyzed process for their preparation, graft copolymers produced from these organopolysiloxanes and a process for the preparation of the graft copolymers. The present invention avoids problems related to known methods wherein a considerable portion of the organopolymer chains do not graft to the organopolysiloxane graft back-bone but remain as an unattached homopolymers.Type: GrantFiled: December 20, 1994Date of Patent: February 25, 1997Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Catherine Oleggini, Bernward Deubzer
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Patent number: 5593787Abstract: The present invention relates to organosilicon compounds containing (meth)acryloxy groups which can be prepared in a simple manner with high selectivity using readily accessible starting substances. The organopolysiloxanes containing (meth)acryloxy groups rapidly crosslink in the presence of a photoinitiator and light. The compounds of the present invention may be employed in the production of coatings.Type: GrantFiled: October 25, 1995Date of Patent: January 14, 1997Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Christian Herzig, Bernward Deubzer, Thomas Hierstetter, Petra Gratzl
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Patent number: 5561231Abstract: Transition metal-containing organosiloxanes of at least three organosiloxane units, comprising at least one transition metal complex, chemically bonded via ligands selected from among amino, phosphino or sulfido groups of Pt, Pd, Rh, Ru, Os or Ir, excluding those organosiloxanes which contain exclusively Pt(O) complexes bonded via amino ligands, are used as homogeneous hydrosilylation catalysts.Type: GrantFiled: July 19, 1994Date of Patent: October 1, 1996Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Bernward Deubzer, Hans Bindl, Udo Peetz
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Patent number: 5548070Abstract: The organosilicon compounds have at least one Si--C-bonded organic radical which contains at least one triazene group. The organosilicon compounds can be employed as heat- and light-unstable free radical initiators for the preparation of homo-, graft co- and block copolymers from olefinically unsaturated compounds and for crosslinking organosilicon compounds and organic compounds which can be polymerized by free radical polymerization.Type: GrantFiled: July 19, 1994Date of Patent: August 20, 1996Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Bernward Deubzer, Elfriede Mayer, Oskar Nuyken, Brigitte Voit, Ralf Kollefrath
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Patent number: 5523436Abstract: Novel catalysts of the general formulaMX.sub.a Y.sub.b,in whichM is Pt, Pd, Rh, Ru, Os or Ir,X is a triazene, tetrazene, tetrazadiene or pentazadiene ligand,Y is a ligand selected from Cl, Br, I, NH.sub.3, P(C.sub.2 H.sub.5).sub.3, P(C.sub.6 H.sub.5).sub.3, H, CO, 1,5-cyclooctadiene, pyridine, bipyridine, acetate, acetylacetonate, phenylnitrile, ethylenediamine, acetonitrile, 2,5-norbornadiene, nitrate, nitrite, H.sub.2 O, benzene, diphenylphosphinoethane and 1,3-divinyl-1,1,3,3-tetramethyldisiloxane,a is 1, 2, 3 or 4 andb is 0 or an integer from 1 to 6, are described.The catalysts promote the addition of Si-bonded hydrogen onto an aliphatic multiple bond, in which the catalysts are activated by heating at temperatures of 50.degree. to 250.degree. C., by irradiation with light, by addition of Bronsted acids and/or by addition of acid-forming agents.Type: GrantFiled: December 10, 1993Date of Patent: June 4, 1996Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Udo Peetz, Bernward Deubzer
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Patent number: 5523365Abstract: The invention relates to crosslinked organopolysiloxanes which contain groups which form free radicals and are built up from units of the formula[R.sub.a Si(O.sub.(3-a)/2)-R.sup.1 -X-(R.sup.1 -Si(O.sub.(3-a)/2)).sub.b R.sub.a ] (1),in whichX is a radical from the group consisting of --N.dbd.N--, --O--O--, --S--S-- and --C(C.sub.6 H.sub.5).sub.2 --C(C.sub.6 H.sub.5).sub.2 --, andR is monovalent SiC-bonded, optionally substituted C.sub.1 - to C.sub.18 -hydrocarbon radicals,R.sup.1 is divalent SiC-bonded, optionally substituted C.sub.1 - to C.sub.18 -hydrocarbon radicals which can be interrupted by divalent radicals, bonded to carbon atoms on both sides, from the group consisting of --O--, --COO--, --OOC--, --CONR.sup.2 --, --NR.sup.2 CO-- and --CO--,R.sup.2 is a hydrogen atom or a radical R,a has the values 0, 1 or 2 andb has the values 0 or 1,and further organosiloxane units. The organopolysiloxanes are used as free radical macroinitiators for grafting polymerization of ethylenically unsaturated monomers.Type: GrantFiled: October 11, 1994Date of Patent: June 4, 1996Assignee: Wacker-Chemie GmbHInventors: Michael Geck, Jochen Dauth, Bernward Deubzer, Helmut Oswaldbauer, Manfred Schmidt, Frank Baumann
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Patent number: 5496961Abstract: Organosilicon compounds having Si-bonded hydrogen atoms are reacted with organic compounds having aliphatic multiple bonds in the presence of triazene oxide-transition metal complexes. The triazene oxide-transition metal complexes are activated by heating at temperatures of from 50.degree. C. to 250.degree. C. and/or by irradiation with light.Type: GrantFiled: May 10, 1995Date of Patent: March 5, 1996Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Josef Wolferseder, Bernward Deubzer
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Patent number: 5426200Abstract: Organosiloxanes comprising at least one chemically bonded transition metal complex of Pt, Pd, Rh, Ru, Os or Ir, having a triazene, tetrazene, tetrazdiene, pentazdiene or triazene oxide ligand and are used as hydrosilylation catalysts that can be activated by light and/or heat.Type: GrantFiled: July 19, 1994Date of Patent: June 20, 1995Assignee: Wacker-Chemie GmbHInventors: Jochen Dauth, Udo Peetz, Bernward Deubzer
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Patent number: 5232780Abstract: In microcapsules with a polymeric capsule wall, the polymer of the capsule wall comprises thermolabile predetermined breaking points in the form of hexamethylenetetramine or acetaldehyde ammonia derivatives in order to facilitate release of the capsule contents (various active substances, such as example, dyes, medicaments, developers, curing agents, flameproofing agents) in a specific manner by exposure to heat.Type: GrantFiled: December 18, 1991Date of Patent: August 3, 1993Assignee: Siemens AktiengesellschaftInventors: Oskar Nuyken, Brigitte Voit, Jochen Dauth