Patents by Inventor Wilhelm F. Beckerle
Wilhelm F. Beckerle 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: 5576404Abstract: Aqueous dispersions of polymers which have a high glass transition temperature and a low average molecular weight and contain a specific amount of methacrylic acid as polymerized units are suitable, in liquid or dried form, as additives for improving the flow behavior of cement-containing mineral building materials having binding properties.Type: GrantFiled: December 14, 1995Date of Patent: November 19, 1996Assignee: BASF AktiengesellschaftInventors: Wilhelm F. Beckerle, Rolf Petri, Bernhard Dotzauer, Manfred Schwartz, Maximilian Angel
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Patent number: 5512629Abstract: Aqueous dispersions of polymers which have a high glass transition temperature and a low average molecular weight and contain a specific amount of methacrylic acid as polymerized units are suitable, in liquid or dried form, as additives for improving the flow behavior of cement-containing mineral building materials having binding properties.Type: GrantFiled: May 20, 1994Date of Patent: April 30, 1996Assignee: BASF AktiengesellschaftInventors: Wilhelm F. Beckerle, Rolf Petri, Bernhard Dotzauer, Manfred Schwartz, Maximilian Angel
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Patent number: 5348993Abstract: Aqueous polymer dispersions contain, as a dispersant, a mixture of an ethylene oxide/propylene oxide copolymer, an ethoxylated alkylphenol and/or an ethoxylated fatty alcohol, an ethoxylated polysaccharide and, if required, as a further component, sulfuric acid half-esterified with an ethoxylated alkylphenol and/or an ethoxylated fatty alcohol.Type: GrantFiled: February 9, 1993Date of Patent: September 20, 1994Assignee: BASF AktiengesellschaftInventors: Bernd Daeumer, Andree Dragon, Wilhelm F. Beckerle, Gernot Franzmann, Josef Neutzner, Eckehardt Wistuba, Joachim Pakusch, Maximilian Angel
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Patent number: 5225478Abstract: Polymer powders which are redispersible in water and are obtainable by atomizing aqueous polymer dispersions to which from 3 to 50% by weight, based on the polymer, of a water-soluble alkali metal salt or alkaline earth metal salt of a phenolsulfonic acid/formaldehyde condensate has been added are used as additives in hydraulic binders.Type: GrantFiled: May 6, 1992Date of Patent: July 6, 1993Assignee: BASF AktiengesellschaftInventors: Wilhelm F. Beckerle, Rolf Dersch, Gernot Franzmann, Brigitte Gareiss, Ludger Leber
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Patent number: 5208282Abstract: Aqueous synthetic resin formulations containingA) from 3 to 75% by weight of one or more synthetic resins,B) one or more organic compounds having two or more hydrazide groups,C) from 0 to 10% by weight, based on the synthetic resin A, of benzophenone or acetophenone or of one or more acetophenone or benzophenone derivatives which are not monoethylenically unsaturated or of a mixture of these active ingredients,D) effective amounts of emulsifiers or protective colloids or of a mixture of these active ingredients,E) not less than 5% by weight of water andF) from 0 to 85% by weight of finely divided fillers, with the proviso that the total amount of the monomers d polymerized in the one or more synthetic resins A and of component C is from 0.05 to 10% by weight, based on the one or more synthetic resins A, and the ratio of the number of moles of hydrazide groups of component B and the number of moles of the aldehyde and keto groups of the monomers c polymerized in the one or more synthetic resins A is from 0.Type: GrantFiled: May 13, 1991Date of Patent: May 4, 1993Assignee: BASF AktiengesellschaftInventors: Gerd Rehmer, Maria G. Rau, Eckehardt Wistuba, Reinhard Baecher, Helmut Teichmann, Wilhelm F. Beckerle
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Patent number: 5145625Abstract: Shaped articles are produced from a finely particulate material as aggregate and an aqueous binder preparation containing an acrylate polymer by moistening the aggregate with the binder preparation, making it into the desired shape and then drying it, using a binder preparation whose binder is an acrylate polymer whose glass transition range is relatively high and which is formed from (A) a predominant amount of methyl methacrylate, (B) a minor amount of (meth) acrylic acid, (C) a minor amount of an optional alkyl acrylate and (D) a small optional amount of another specific polymerizable compound.Type: GrantFiled: June 12, 1991Date of Patent: September 8, 1992Assignee: BASF AktiengesellschaftInventors: Bernhard Dotzauer, Wilhelm F. Beckerle, Hans-Juergen Denu, Kurt Wendel, Manfred Schwartz
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Patent number: 5122559Abstract: Lightweight building board based on mineral fibers A and thermoplastic binders contains, based on A,from 1 to 25% by weight of a copolymer B having a glass transition temperature of from 70.degree. to 105.degree. C., composed essentially offrom 50 to 98% by weight of methyl methacrylate I,from 2 to 50% by weight of one or more acrylic esters II of C.sub.1 -C.sub.8 -alkanols, andfrom 0 to 2.5% by weight of one or more crosslinking monomers III as binder,from 0 to 150% by weight of filler C,and, based on B,from 0.2 to 15% by weight of one or more amines F of the formula ##STR1## where R is C.sub.8 -C.sub.18 -alkyl or C.sub.8 -C.sub.18 -alkenyl,U and V are each C.sub.2 -C.sub.4 -alkylene,X and Y are each hydrogen, C.sub.1 -C.sub.18 -alkyl or C.sub.2 -C.sub.18 -alkenyl, andn and m are each an integer from 0 to 10,or an acid addition salt thereof.Type: GrantFiled: September 9, 1991Date of Patent: June 16, 1992Assignee: BASF AktiengesellschaftInventors: Bernard Dotzauer, Michael Portugall, Wilhelm F. Beckerle, Hans-Juergen Denu
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Patent number: 5061556Abstract: A shaped article is obtainable by impregnating or coating a preform composed in the main of mineral fibers, nonfibrous mineral fillers and starch with a composition which contains a binder comprising a copolymer composed ofa) 60-95% by weight of methyl methacrylate (monomer I),b) 5-40% by weight of acrylic or methacrylic acid (monomer II)c) 0-35% by weight of one or more acrylic esters of a C.sub.1 -C.sub.8 -alkanol (monomer III),d) 0-5% by weight of a copolymerizable olefinically polyunsaturated monomer (monomer IV), ande) 0-5% by weight of another copolymerizable monomer (monomer V)in polymerized form, the weight percentages of monomers I, II, III and V having been selected within the stated limits in such a way that a polymer composed of these monomers only would have a glass transition temperature of from 60.degree. to 125.degree. C.Type: GrantFiled: February 22, 1990Date of Patent: October 29, 1991Assignee: BASF AktiengesellschaftInventors: Bernhard Dotzauer, Wilhelm F. Beckerle, Hans-Juergen Denu, Kurt Wendel, Manfred Schwartz
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Patent number: 4980411Abstract: Binders for non-tacky, non-soiling, flexible coatings based on aqueous copolymer dispersions which contain zinc-amine complexes essentially consist of(A) from 99 to 90% by weight of a (meth)acrylate copolymer dispersion whose polymer has a glass transition temperature of from -40.degree. to -1.degree. C. and(B) from 1 to 10% by weight of a water-soluble zinc-amine complex salt of a polymeric carboxylic acid,the percentages by weight being based on the total amount of polymer.Type: GrantFiled: December 30, 1988Date of Patent: December 25, 1990Assignee: BASF AktiengesellschaftInventors: Wilhelm F. Beckerle, Andree Dragon, Gernot Franzmann, Lothar Matthaei, Eckehardt Wistuba, Helmut Teichmann
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Patent number: 4925529Abstract: Light-weight building boards which are based on mineral fibers and thermoplastic binders, may furthermore contain fillers, fireproofing agents and water repellents, contain, as the binder, from 4 to 20%, based on the weight of the mineral fibers, of polymers having a glass transition temperature of from 60.degree. to 110.degree. C., and consisting of not less than 60% by weight, based on the copolymer, of (meth)acrylates of alcohols of 1 to 4 carbon atoms and not more than 40% by weight of (meth)acrylonitrile and/or styrene, and additionally contain salts of polyvalent metals with carboxylic acids of 12 to 36 carbon atoms are distinguished by low water absorption and excellent sound-insulating characteristics, are flame-retardant and exhibit dimensional stability even in the tropics.Type: GrantFiled: October 17, 1985Date of Patent: May 15, 1990Assignee: BASF AktiengesellschaftInventors: Bernhard Dotzauer, Hans Kast, Wilhelm F. Beckerle, Rainer Hummerich
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Patent number: 4587278Abstract: Sound-insulating boards which are based on mineral fibers and thermoplastic binders and may or may not additionally contain fillers, flameproofing agents and water repellants contain, as the binder, from 4 to 20%, based on the weight of the mineral fibers, of polymers having a glass transition temperature of from 30.degree. to 80.degree. C. and consisting of not less than 60% by weight, based on the copolymer, of (meth)acrylates of 1 to 4 carbon atoms and as much as 40% by weight of acrylonitrile and/or styrene.Type: GrantFiled: April 12, 1984Date of Patent: May 6, 1986Assignee: BASF AktiengesellschaftInventors: Bernhard Dotzauer, Hans Kast, Gernot Franzmann, Gregor Ley, Wilhelm F. Beckerle, Wolfgang Schilder