Patents by Inventor Martina Bloechl
Martina Bloechl 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: 6956096Abstract: Antimisting additives are used in crosslinkable silicone coating compositions for reducing aerosol formation, the antimisting additives being alkenyl-functional siloxane copolymers prepared by reacting a hydrocarbon containing at least three aliphatic double bonds, and with an organosiloxane (2) having terminal Si-bonded hydrogen atoms in the presence of a hydrosilylation catalyst (3) at a ratio of Si-bonded hydrogen to aliphatic double bonds of from 1.3 to 10, and subsequently reacting the resulting SiH-containing hydrocarbon-siloxane copolymer with an ?,?-dialkenylsiloxane polymer (4) in the presence of a hydrosilylation catalyst (3) at a ratio of aliphatic double bonds to Si-bonded hydrogen of from 1.2 to 10, and optionally, in another step, equilibrating the resulting alkenyl-functional siloxane copolymers with an organopolysiloxane (5).Type: GrantFiled: March 11, 2004Date of Patent: October 18, 2005Assignee: Wacker-Chemie GmbHInventors: Christian Herzig, Hans Lautenschlager, Martina Bloechl
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Publication number: 20040170845Abstract: Antimisting additives are used in crosslinkable silicone coating compositions for reducing aerosol formation, the antimisting additives being alkenyl-functional siloxane copolymers prepared by reacting a hydrocarbon containing at least three aliphatic double bonds, and with an organosiloxane (2) having terminal Si-bonded hydrogen atoms in the presence of a hydrosilylation catalyst (3) at a ratio of Si-bonded hydrogen to aliphatic double bonds of from 1.3 to 10, and subsequently reacting the resulting SiH-containing hydrocarbon-siloxane copolymer with an &agr;,&ohgr;-dialkenylsiloxane polymer (4) in the presence of a hydrosilylation catalyst (3) at a ratio of aliphatic double bonds to Si-bonded hydrogen of from 1.2 to 10, and optionally, in another step, equilibrating the resulting alkenyl-functional siloxane copolymers with an organopolysiloxane (5).Type: ApplicationFiled: March 11, 2004Publication date: September 2, 2004Applicant: Wacker-Chemie GmbHInventors: Christian Herzig, Hans Lautenschlager, Martina Bloechl
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Patent number: 6764717Abstract: Antimisting additives are used in crosslinkable silicone coating compositions for reducing aerosol formation, the antimisting additives being alkenyl-functional siloxane copolymers prepared by reacting a hydrocarbon containing at least three aliphatic double bonds, and with an organosiloxane (2) having terminal Si-bonded hydrogen atoms in the presence of a hydrosilylation catalyst (3) at a ratio of Si-bonded hydrogen to aliphatic double bonds of from 1.3 to 10, and subsequently reacting the resulting SiH-containing hydrocarbon-siloxane copolymer with an &agr;,&ohgr;-dialkenylsiloxane polymer (4) in the presence of a hydrosilylation catalyst (3) at a ratio of aliphatic double bonds to Si-bonded hydrogen of from 1.2 to 10, and optionally, in another step, equilibrating the resulting alkenyl-functional siloxane copolymers with an organopolysiloxane (5).Type: GrantFiled: November 18, 2002Date of Patent: July 20, 2004Assignee: Wacker-Chemie GmbHInventors: Christian Herzig, Hans Lautenschlager, Martina Bloechl
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Publication number: 20030134043Abstract: Antimisting additives are used in crosslinkable silicone coating compositions for reducing aerosol formation, the antimisting additives being alkenyl-functional siloxane copolymers prepared by reacting a hydrocarbon containing at least three aliphatic double bonds, and with an organosiloxane (2) having terminal Si-bonded hydrogen atoms in the presence of a hydrosilylation catalyst (3) at a ratio of Si-bonded hydrogen to aliphatic double bonds of from 1.3 to 10, and subsequently reacting the resulting SiH-containing hydrocarbon-siloxane copolymer with an &agr;,&ohgr;-dialkenylsiloxane polymer (4) in the presence of a hydrosilylation catalyst (3) at a ratio of aliphatic double bonds to Si-bonded hydrogen of from 1.2 to 10, and optionally, in another step, equilibrating the resulting alkenyl-functional siloxane copolymers with an organopolysiloxane (5).Type: ApplicationFiled: November 18, 2002Publication date: July 17, 2003Applicant: Wacker-Chemie GmbHInventors: Christian Herzig, Hans Lautenschlager, Martina Bloechl
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Patent number: 5693734Abstract: Organosilicon compounds containing furanyl groups which contain units of the formula ##EQU1## in which R is identical or different and is a hydrogen atom or monovalent, SiC-bonded, aliphatically saturated, optionally substituted hydrocarbon radical, which can be interrupted by oxygen atoms,R.sup.1 is identical or different and is an optionally substituted hydrocarbon radical having 1 to 8 carbon atoms, which can be interrupted by 1 to 3 oxygen atoms.A is identical or different and is an SiC-bonded furanyl radical of the formula ##STR1## where R.sup.2 has the meaning given above for the radical R and R.sup.3 is a divalent hydrocarbon radical having 2 to 30 carbon atoms, which can contain one or more groups, chosen from the group consisting of ##STR2## a is 0, 1, 2 or 3, b is 0, 1 or 2 andc is 0, 1 or 2,with the proviso that the sum a+b+c is less than or equal to 3 and the organosilicon compound contains at least one radical A per molecule.Type: GrantFiled: June 27, 1995Date of Patent: December 2, 1997Assignee: Wacker-Chemie GmbHInventors: Christian Herzig, Bernward Deubzer, Martina Bloechl, Inge Seeger-Feichtinger
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Patent number: 5691435Abstract: The present invention provides crosslinkable compositions comprising(A) an organosilicon compound having radicals containing aliphatic carbon-carbon multiple bonds,(B) an organosilicon compound having Si-bonded hydrogen atoms,(C) a catalyst which promotes the addition of Si-bonded hydrogen onto aliphatic multiple bond, and optionally(D) an agent which retards the addition of Si-bonded hydrogen onto aliphatic multiple bond at room temperatureand to the use of the crosslinkable compositions for producing coatings which repel tacky substances.The present invention also relates to organosilicon compounds having Si-bonded hydrogen atoms, and to a process for their preparation.Type: GrantFiled: January 14, 1997Date of Patent: November 25, 1997Assignee: Wacker-Chemie GmbHInventors: Christian Herzig, Bernward Deubzer, Martina Bloechl, Robert Banfic
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Patent number: 5621057Abstract: Alkenyl ether-siloxane compositions comprising(A) an oligomeric or polymeric organosilicon compound having on average more than one alkenyloxy group of the formulaR.sup.2 --CH.dbd.CH--O-- (VI)(B) a monomeric maleic and/or fumaric acid compound of the formula ##STR1## in which R.sup.2 is a hydrogen atom or the methyl radical,R.sup.3 is identical or different and is a hydrogen atom, a hydrocarbon radical having 1 to 16 carbon atoms, which can be interrupted by oxygen, sulfur or oxygen- or silicon-containing units, a substituted hydrocarbon radical having 1 to 6 carbon atoms, a silyl radical or a siloxanyl radical,R.sup.4 is identical or different and is a hydrogen atom, chlorine, bromine, fluorine or an optionally substituted alkyl radical andZ is an oxygen atom or a radical --NR.sup.5 --, where R.sup.5 has one of the meanings given for R.sup.3,optionally(C) initiators which form free radicals and optionally(D) inhibitors for regulating the pot life.Type: GrantFiled: May 31, 1995Date of Patent: April 15, 1997Assignee: Wacker-Chemie GmbHInventors: Christian Herzig, Bernward Deubzer, Martina Bloechl, David Huettner, Walter Magee
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Patent number: 5446119Abstract: Organopolysiloxanes which contain ester groups and comprise units of the formula ##EQU1## in which R may be an identical or different monovalent, SiC-bonded hydrocarbon radical having 1 to 18 carbon atoms,A may be an identical or different radical of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, c, v, w, s, t,is 0 or an integer, the sum of s and tbeing an integer from 1 to 20,x is 0 or 1,y is 0 or 1, the sum of x and y being 1 or 2,a is 0, 1, 2 or 3, andb is 0, 1 or 2,with the proviso that the sum of a and b is less than or equal to 3 and the organopolysiloxane contains at least one radical A per molecule.Type: GrantFiled: July 25, 1994Date of Patent: August 29, 1995Assignee: Wacker-Chemie GmbHInventors: Christian Herzig, Willibald Burger, Bernward Deubzer, Martina Bloechl