Patents by Inventor Hermann Lutz
Hermann Lutz 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: 8957137Abstract: The invention relates to acid-resistant, hydraulically setting masses based on a) slag sand, b) one or more pozzolanas, c) one or more fillers, d) one or more polymers based on ethylenically unsaturated monomers, and water.Type: GrantFiled: December 15, 2009Date of Patent: February 17, 2015Assignee: Wacker Chemie AGInventors: Harald Zeh, Jörgen Bezler, Stefan Bonimeier, Armin Hoffman, Hermann Lutz
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Patent number: 8481648Abstract: Redispersible polymer powders which are cationically stabilized by spray drying a polymer dispersion with a cationic polymer can be used in higher concentrations in chemical building construction materials without introducing adverse properties.Type: GrantFiled: February 8, 2007Date of Patent: July 9, 2013Assignee: Wacker Chemie AGInventors: Andrea Schorm, Hans-Peter Weitzel, Stefan Killat, Hermann Lutz
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Publication number: 20130157025Abstract: The invention provides coating systems comprising a) a base layer, b) middle layer and c) top layer, whereby each of the layers a), b) and c) is based on mineral binder, filler, polymers from one or more ethylenically unsaturated monomers and optional further additives, and whereby the middle layer contains additionally light weight aggregates.Type: ApplicationFiled: June 28, 2011Publication date: June 20, 2013Applicant: WACKER CHEMIE AGInventors: Mohammed Sanaobar, Jürgen Bezler, Hermann Lutz
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Publication number: 20110257304Abstract: The invention relates to acid-resistant, hydraulically setting masses based on a) slag sand, b) one or more pozzolanas, c) one or more fillers, d) one or more polymers based on ethylenically unsaturated monomers, and water.Type: ApplicationFiled: December 15, 2009Publication date: October 20, 2011Applicant: Wacker Chemie AGInventors: Harald Zeh, Jürgen Bezler, Stefan Bonimeier, Armin Hoffman, Hermann Lutz
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Patent number: 7939592Abstract: Copolymers of ethylene and vinyl chloride also containing a protective colloid, optionally in conjunction with a fatty acid compound or precursor thereof or with an organosilicon compound, can be employed to increase the water repellency of hydraulically settable construction materials.Type: GrantFiled: October 21, 2009Date of Patent: May 10, 2011Assignee: Wacker Chemie AGInventors: Hans Peter Weitzel, Hermann Lutz
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Patent number: 7744694Abstract: Water-redispersible polymer powder compositions based on a) homo- or copolymers of one or more monomers from the group consisting of vinyl esters of unbranched or branched C1-15 alkylcarboxylic acids methacrylic esters and acrylic esters of C1-15 alcohols, vinylaromatics, olefins, dienes, and vinyl halides, with one or more protective colloids, and optionally, one or more antiblocking agents, in conjunction with one or more alkali metal or alkaline earth metal C1-4 carboxylates as setting accelerants added following polymerization accelerate the setting of construction chemistry products with hydraulically setting binders.Type: GrantFiled: March 4, 2004Date of Patent: June 29, 2010Assignee: Wacker Chemie AGInventors: Hans-Peter Weitzel, Hermann Lutz, Peter Fritze
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Publication number: 20100041796Abstract: Copolymers of ethylene and vinyl chloride also containing a protective colloid, optionally in conjunction with a fatty acid compound or precursor thereof or with an organosilicon compound, can be employed to increase the water repellency of hydraulically settable construction materials.Type: ApplicationFiled: October 21, 2009Publication date: February 18, 2010Applicant: WACKER CHEMIE AGInventors: Hans Peter Weitzel, Hermann Lutz
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Publication number: 20090030168Abstract: Redispersible polymer powders which are cationically stabilized by spray drying a polymer dispersion with a cationic polymer can be used in higher concentrations in chemical building construction materials without introducing adverse properties.Type: ApplicationFiled: February 8, 2007Publication date: January 29, 2009Applicant: WACKER POLYMER SYSTEMS GMBH & CO. KGInventors: Andrea Schorm, Hans-Peter Weitzel, Stefan Killat, Hermann Lutz
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Patent number: 7388047Abstract: Water-redispersible polymer powder compositions based on homopolymers or copolymers of one or more monomers from the group consisting of vinyl esters of unbranched or branched alkylcarboxylic acids having from 1 to 15 carbon atoms, methacrylic esters and acrylic esters of alcohols having from 1 to 15 carbon atoms, vinylaromatics, olefins, dienes and vinyl halides, one or more protective colloids, if desired antiblocking agents, contain one or more compounds from the group of pozzolanas. The pozzolanic compounds preferably take the place of anti-blocking agents conventionally used.Type: GrantFiled: June 22, 2004Date of Patent: June 17, 2008Assignee: Wacker Polymer Systems GmbH & Co. KGInventors: Hans-Peter Weitzel, Hermann Lutz, Peter Fritze, Stefan Killat
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Publication number: 20070173574Abstract: Copolymers of ethylene and vinyl chloride also containing a protective colloid, optionally in conjunction with a fatty acid compound or precursor thereof or with an organosilicon compound, can be employed to increase the water repellancy of hydraulically settable construction materials.Type: ApplicationFiled: May 18, 2005Publication date: July 26, 2007Applicant: WACKER POLYMER SYSTEMS GMBH & CO. KGInventors: Hans-Peter Weitzel, Hermann Lutz
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Publication number: 20070037925Abstract: Water-redispersible polymer powder compositions based on a) homo- or copolymers of one or more monomers from the group consisting of vinyl esters of unbranched or branched C1-15 alkylcarboxylic acids methacrylic esters and acrylic esters of C1-15 alcohols, vinylaromatics, olefins, dienes, and vinyl halides, with one or more protective colloids, and optionally, one or more antiblocking agents, in conjunction with one or more alkali metal or alkaline earth metal C1-4 carboxylates as setting accelerants added follwoing polymerization accelerate the setting of construction chemistry products with hydraulically setting binders.Type: ApplicationFiled: March 4, 2004Publication date: February 15, 2007Applicant: WACKER POLYMER SYSTEM GmbH & CO. KGInventors: Hans-Peter Weitzel, Hermann Lutz, Peter Fritze
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Publication number: 20050014881Abstract: Water-redispersible polymer powder compositions based on homopolymers or copolymers of one or more monomers from the group consisting of vinyl esters of unbranched or branched alkylcarboxylic acids having from 1 to 15 carbon atoms, methacrylic esters and acrylic esters of alcohols having from 1 to 15 carbon atoms, vinylaromatics, olefins, dienes and vinyl halides, one or more protective colloids, if desired antiblocking agents, contain one or more compounds from the group of pozzolanas. The pozzolanic compounds preferably take the place of anti-blocking agents conventionally used.Type: ApplicationFiled: June 22, 2004Publication date: January 20, 2005Applicant: Wacker Polymer Systems GmbH & Co. KGInventors: Hans-Peter Weitzel, Hermann Lutz, Peter Fritze, Stefan Killat
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Patent number: 6569939Abstract: The invention provides a polymer composition for flexibilizing building materials, in the form of their aqueous dispersion or of powder redispersible in water, containing a) at least one water-insoluble, film-forming polymer of one or more ethylenically unsaturated monomers capable of free radical polymerization, b) at least one compound from the group consisting of the water-soluble polymers of one or more ethylenically unsaturated monomers capable of free radical polymerization, and the ionic and nonionic emulsifiers, and c) a mixture of at least two organosilicon compounds, at least one of which is an amino-functional organosilicon compound present in salt form.Type: GrantFiled: March 5, 2001Date of Patent: May 27, 2003Assignee: Wacker-Chemie GmbHInventors: Herbert Eck, Klaus Adler, Hermann Lutz, Heinrich Hopf
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Patent number: 6534177Abstract: Crosslinkable polymer compositions are provided which can be in the form of a polymer powder which is redispersible in water or as an aqueous dispersion. The polymer composition is composed of A) a copolymer of one or more comonomers of vinyl esters of straight-chain or branched alkanecarboxylic acids having 1 to 18 C atoms, acrylates or methacrylates of branched or straight-chain alcohols having 1 to 15 C atoms, dienes, olefins, vinylaromatics and vinyl halides, and of from 0.1 to 10% by weight, based on the total weight of the comonomers, of one or more ethylenically unsaturated comonomers containing epoxide groups, and B) one or more non-copolymerizable compounds having at least two epoxide groups. The invention furthermore relates to a process for the preparation of the crosslinkable polymer compositions and their use in chemical products for the construction industry.Type: GrantFiled: January 25, 2001Date of Patent: March 18, 2003Assignee: Wacker-Chemie GmbHInventors: Klaus Kohlhammer, Klaus Adler, Herbert Eck, Hermann Lutz
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Publication number: 20010034391Abstract: The invention provides a polymer composition for flexibilizing building materials, in the form of their aqueous dispersion or of powder redispersible in water, containingType: ApplicationFiled: March 5, 2001Publication date: October 25, 2001Applicant: Wacker Chemie GmbHInventors: Herbert Eck, Klaus Adler, Hermann Lutz, Heinrich Hopf
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Publication number: 20010024644Abstract: Crosslinkable polymer compositions are provided which can be in the form of a polymer powder which is redispersible in water or as an aqueous dispersion.Type: ApplicationFiled: January 25, 2001Publication date: September 27, 2001Inventors: Klaus Kohlhammer, Klaus Adler, Herbert Eck, Hermann Lutz
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Patent number: 6114423Abstract: A dispersion powder of water-insoluble copolymers of ethylenically unsaturated monomers and optionally, further additives, which are redispersible in water and obtained by:a) emulsion polymerizing, at a pH of 2 to 9, a comonomer mixture of at least one comonomer selected from vinyl esters of unbranched or branched alkylcarboxylic acids having 1 to 18 carbon atoms, methacrylic acid esters of unbranched or branched alcohols having 1 to 18 carbon atoms, acrylic acid esters of unbranched or branched alcohols having 1 to 18 carbon atoms, olefins, dienes, vinylaromatics and vinyl halides, and 0.05 to 15.0% by weight, based on the total weight of the comonomer mixture, of at least one silicon compound of the formulaCH.sub.2 .dbd.CH--(CH.sub.2).sub.m --SiR(OR').sub.2,where m=0-8CH.sub.2 .dbd.CR"--CO.sub.2 --(CH.sub.2).sub.n SiR(OR').sub.2where n=1-6 ##STR1## b) spray drying aqueous dispersion, at a pH of 4 to 8 at a discharge temperature of 55 to 100.degree. C., before or after addition of any additives.Type: GrantFiled: January 20, 1998Date of Patent: September 5, 2000Assignee: Wacker-Chemie GmbHInventors: Herbert Eck, Peter John, Hermann Lutz
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Patent number: 5994428Abstract: Storage-stable, silane-modified core-shell copolymers are provided comprising a shell-forming copolymer I ofa) from 70 to 95% by weight, based on the overall weight of the shell, of acrylic and/or methacrylic C.sub.1 - to C.sub.Type: GrantFiled: August 4, 1998Date of Patent: November 30, 1999Assignee: Wacker-Chemie GmbHInventors: Hermann Lutz, Theo Mayer, Thomas Bastelberger
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Patent number: 5708093Abstract: The invention relates to core/shell copolymer dispersions whose shell comprises hydrolyzable organosilicon comonomers, the shell consisting of a copolymer comprising,a) from 70 to 95% by weight of acrylic and/or methacrylic C.sub.1 to C.sub.10 alkyl esters of which from 20 to 80% by weight, based on the overall weight of a), have a water-solubility of not more than 2 g/l and from 80 to 20% by weight, based on the overall weight of a), have a water-solubility of at least 10 g/l,b) from 5 to 25% by weight of one or more ethylenically unsaturated, functional and water-soluble monomers including a proportion of from 25 to 100% by weight, based on the overall weight of b), of unsaturated carboxylic acids, andc) from 0.01 to 10% by weight of one or more olefinically unsaturated, hydrolyzable silicon compounds of the general formula R.sup.1 --Si(OR.sup.2).sub.Type: GrantFiled: October 2, 1995Date of Patent: January 13, 1998Assignee: Wacker-Chemie GmbHInventors: Thomas Bastelberger, Hermann Lutz, Peter Heiling
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Patent number: 5608011Abstract: The invention relates to water-dispersible or water-soluble polymer powder compositions which can be crosslinked or condensed by acid and comprisesI) one or more pulverulent water-dispersible or water-soluble copolymers which can be crosslinked or condensed by acid,II) one or more pulverulent water-dispersible or water-soluble compounds from the group consisting of alkali metal or ammonium peroxo acid salts, andIII) one or more pulverulent water-dispersible or water-soluble reducing agents.Type: GrantFiled: September 11, 1995Date of Patent: March 4, 1997Assignee: Wacker-Chemie GmbHInventors: Herbert Eck, Peter Ball, Hermann Lutz, Heinrich Hopf