Patents by Inventor Burkhardt Dames
Burkhardt Dames 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: 9364802Abstract: The subject of the present invention is an apparatus for the intermixing of a fluid stream with a fluid stream, which comprises a pipe through which the fluid stream is routed, at least two distributors for delivering the fluid stream being arranged inside the pipe, this arrangement of the distributors being made possible by bores in the casing of the pipe, and these distributors having a free flow cross section which is constant or decreases continuously, as seen in the main direction of flow of the fluid, and the distributors having one or more rows of holes for delivering the fluid into the fluid.Type: GrantFiled: February 28, 2012Date of Patent: June 14, 2016Assignee: BASF SEInventors: Kerstin Heinen, Stefan Karbach, Burkhardt Dames, Wolfgang Haip, Wolfgang Gerlinger, Torsten Mattke
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Publication number: 20120226073Abstract: The subject of the present invention is an apparatus for the intermixing of a fluid stream with a fluid stream, which comprises a pipe through which the fluid stream is routed, at least two distributors for delivering the fluid stream being arranged inside the pipe, this arrangement of the distributors being made possible by bores in the casing of the pipe, and these distributors having a free flow cross section which is constant or decreases continuously, as seen in the main direction of flow of the fluid, and the distributors having one or more rows of holes for delivering the fluid into the fluid.Type: ApplicationFiled: February 28, 2012Publication date: September 6, 2012Applicant: BASF SEInventors: Kerstin Heinen, Stefan Karbach, Burkhardt Dames, Wolfgang Haip, Wolfgang Gerlinger, Torsten Mattke
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Patent number: 7008986Abstract: The invention relates to thermoplastic moulding materials containing A) 29 to (100 wt. % minus 1 ppb) of at least one thermoplastic polymer. B) 1 ppb to 1 wt. % or at least one polyethyleneimine homopolymer of copolymer, as well as C) 0 to 70 wt. % of other additives, as the essential constituents thereof. The weight percent of constituents A) to C) amounts to 100% in every case.Type: GrantFiled: June 22, 2001Date of Patent: March 7, 2006Assignee: BASF AktiengesellschaftInventors: Burkhardt Dames, Bernd Ziegler
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Patent number: 6919390Abstract: Thermoplastic molding compositions comprising, as substantive components A) from 29% by weight to 99% by weight of at least one thermoplastic polymer, B) from 1 ppb to 5% by weight of at least one polyethyleneimine homo- or copolymer, C) from 0.05 to 2% by weight of at least one sterically hindered amine compound, and also D) from 0 to 70% by weight of other additives, where the percentages by weight of components A) to D) always give 100%.Type: GrantFiled: June 6, 2002Date of Patent: July 19, 2005Assignee: BASF AktiengesellschaftInventors: Burkhardt Dames, Wolfgang Sauerer
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Patent number: 6878764Abstract: Thermoplastic molding compositions comprising, as substantive components, A) from 5% by weight to (99.99% by weight minus 1 ppb), based on components A) to D), of a polyoxymethylene homo- or copolymer, B) from 1 ppb to 1% by weight, based on the molding composition made from A) to D), of at least one polyethyleneimine homo- or copolymer, C) from 0.01 to 15% by weight of carbon black, and D) from 0 to 80% by weight of other additives, where the total of percentages by weight of components A) to D) is always 100%.Type: GrantFiled: June 22, 2001Date of Patent: April 12, 2005Assignee: BASF AktiengesellschaftInventor: Burkhardt Dames
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Publication number: 20040171720Abstract: Thermoplastic molding compositions comprising, as substantive componentsType: ApplicationFiled: December 10, 2003Publication date: September 2, 2004Inventors: Burkhardt Dames, Wolfgang Saurer
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Publication number: 20030195296Abstract: The invention relates to thermoplastic moulding materials containing A) 29 to (100 wt. % minus 1 ppb) of at least one thermoplastic polymer. B) 1 ppb to 1 wt. % or at least one polyethyleneimine homopolymer of copolymer, as well as C) 0 to 70 wt. % of other additives, as the essential constituents thereof. The weight percent of constituents A) to C) amounts to 100% in every case.Type: ApplicationFiled: December 30, 2002Publication date: October 16, 2003Inventors: Burkhardt Dames, Bernd Ziegler
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Publication number: 20030181567Abstract: Thermoplastic molding compositions comprising, as substantive components,Type: ApplicationFiled: December 30, 2002Publication date: September 25, 2003Inventor: Burkhardt Dames
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Publication number: 20030175492Abstract: The invention relates to thermoplastic molding compounds, comprising at least (A) 10 to 99.99 wt.-% of a polyoxymethylene homopolymer or copolymer, at least (B) 0.01 to 5 wt.-% of a polyethylenimine homopolymer or copolymer, at least (C) 0.1 to 15 wt.-% of a polyalkylene glycol or polyalkylene glycolamine or the mixtures thereof, (D) 0 to 70 wt.-% of further additives, whereby the sum of the weight percentages of components (A) to (D) always adds up to 100%.Type: ApplicationFiled: December 30, 2002Publication date: September 18, 2003Inventors: Burkhardt Dames, Erich Pellkofer
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Patent number: 6590020Abstract: Thermoplastic polyoxymethylene molding materials containing A) from 10 to 99.98% by weight of a polyoxymethylene homo- or copolymer B) from 0.005 to 2% by weight of a sterically hindered phenol C) from 0.001 to 2% by weight of a polyamide D) from 0.002 to 2% by weight of an alkaline earth metal silicate or of an alkaline earth metal glycerophosphate E) from 0.01 to 5% by weight of at least one ester or amide of saturated or unsaturated aliphatic carboxylic acids of 10 to 40 carbon atoms with polyols or aliphatic saturated alcohols or amines of 2 to 40 carbon atoms or an ether which is derived from alcohols and ethylene oxide F) from 0 to 5% by weight of a melamine/formaldehyde condensate G) from 0 to 74% by weight of further additives, the sum of the percentages by weight of the components A) to G) being 100% in each case.Type: GrantFiled: December 18, 2000Date of Patent: July 8, 2003Assignee: BASF AktiengesellschaftInventors: Wolfgang Eberle, Burkhardt Dames
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Patent number: 6524427Abstract: Adhesives comprising as binder an aqueous dispersion of a polymer formed from free-radically polymerizable compounds (monomers), wherein from 0.1 to 20% by weight of the monomers, based on the overall amount of the monomers, are ethylenically unsaturated acids at least 20 mol % of whose acid groups are present as a salt of at least divalent metals.Type: GrantFiled: August 25, 1999Date of Patent: February 25, 2003Assignee: BASF AktiengesellschaftInventors: Sabine Kielhorn-Bayer, Burkhardt Dames, Karl-Heinz Schumacher
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Patent number: 6426377Abstract: The present invention relates to a process for improving the stability of aqueous polymer dispersions to thermal and/or mechanical effects and comprises adding to said aqueous polymer dispersions at least one salt of a bis-C4-C18-alkyl ester of a sulfonated dicarboxylic acid having 4 to 8 carbon atoms.Type: GrantFiled: July 14, 2000Date of Patent: July 30, 2002Assignee: BASF AktiengesellschaftInventors: Matthias Gerst, Bernhard Schuler, Burkhardt Dames
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Patent number: 6376094Abstract: A polymer composed of from 5 to 95% by weight of a mixture of at least one C2-C4-alkyl acrylate and at least one C6-C12-alkyl acrylate (monomers a), from 5 to 30% by weight of ethylenically unsaturated compounds having a glass transition temperature of above 0° C. and containing no functional groups other than the ethylenically unsaturated group (monomers b), from 0 to 10% by weight of ethylenically unsaturated compounds having at least one acid group or acid anhydride group (monomers c), and from 0 to 60% by weight of further ethylenically unsaturated compounds (monomers d), the amounts by weight being based on the emulsion polymer.Type: GrantFiled: June 1, 1999Date of Patent: April 23, 2002Assignee: BASF AktiengesellschaftInventors: Burkhardt Dames, Karl-Heinz Schumacher, Jürgen Barwich, Hans-Joachim Fricke
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Publication number: 20010041764Abstract: Adhesives comprising as binder an aqueous dispersion of a polymer formed from free-radically polymerizable compounds (monomers), wherein from 0.1 to 20% by weight of the monomers, based on the overall amount of the monomers, are ethylenically unsaturated acids at least 20 mol % of whose acid groups are present as a salt of at least divalent metals.Type: ApplicationFiled: August 25, 1999Publication date: November 15, 2001Inventors: SABINE KIELHORN-BAYER, BURKHARDT DAMES, KARL-HEINZ SCHUMACHER
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Patent number: 5990221Abstract: A process for preparing aqueous polymer dispersions by emulsion polymerization of free-radically polymerizable compounds (monomers) comprises adding, during the polymerization of the monomers, a miniemulsion which is an aqueous, surfactant-stabilized emulsion of monomers whose emulsified droplets have a size of from 10 to 500 nm and which comprises a compound (stabilizer) which is dissolved in the monomers of the droplets and whose solubility in the monomers is at least twice its solubility in water.Type: GrantFiled: July 8, 1997Date of Patent: November 23, 1999Assignee: BASF AktiengesellschaftInventors: Burkhardt Dames, Klemens Mathauer, Walter Machtle
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Patent number: 5596051Abstract: Microcapsules which are composed of a core and of a shell of a polymer, the core containing at least one oil which can be emulsified in water, and which are obtainable by polymerization of oil-soluble monomer mixtures which contain(a) 1-100% by weight of acrylic anhydride, methacryic anhydride, itaconic anhydride, citraconic anhydride, dimethylmaleic anhydride, 4-vinylbenzoic anhydride, mixed carboxylic anhydrides, mixtures of the said anhydrides and/or more than 40% by weight of maleic anhydride,(b) 0-99% by weight of at least one monoethylenically unsaturated monomer which is different from the monomers of group (a),(c) 0-80% by weight of crosslinking monomers which have at least two monoethylenically unsaturated non-conjugated double bonds in the molecule, and(d) 0-20% by weight of water-soluble monoethylenically unsaturated monomersin the oil phase of a stable oil-in-water emulsion in the presence of polymerization initiators which form free radicals, where the temperature of the polymerizing reaction mixType: GrantFiled: June 24, 1994Date of Patent: January 21, 1997Assignee: BASF AktiengesellschaftInventors: Ekkehard Jahns, Burkhardt Dames