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).

  • Patent number: 9364802
    Abstract: 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: Grant
    Filed: February 28, 2012
    Date of Patent: June 14, 2016
    Assignee: BASF SE
    Inventors: Kerstin Heinen, Stefan Karbach, Burkhardt Dames, Wolfgang Haip, Wolfgang Gerlinger, Torsten Mattke
  • Publication number: 20120226073
    Abstract: 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: Application
    Filed: February 28, 2012
    Publication date: September 6, 2012
    Applicant: BASF SE
    Inventors: Kerstin Heinen, Stefan Karbach, Burkhardt Dames, Wolfgang Haip, Wolfgang Gerlinger, Torsten Mattke
  • Patent number: 7008986
    Abstract: 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: Grant
    Filed: June 22, 2001
    Date of Patent: March 7, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Burkhardt Dames, Bernd Ziegler
  • Patent number: 6919390
    Abstract: 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: Grant
    Filed: June 6, 2002
    Date of Patent: July 19, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Burkhardt Dames, Wolfgang Sauerer
  • Patent number: 6878764
    Abstract: 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: Grant
    Filed: June 22, 2001
    Date of Patent: April 12, 2005
    Assignee: BASF Aktiengesellschaft
    Inventor: Burkhardt Dames
  • Publication number: 20040171720
    Abstract: Thermoplastic molding compositions comprising, as substantive components
    Type: Application
    Filed: December 10, 2003
    Publication date: September 2, 2004
    Inventors: Burkhardt Dames, Wolfgang Saurer
  • Publication number: 20030195296
    Abstract: 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: Application
    Filed: December 30, 2002
    Publication date: October 16, 2003
    Inventors: Burkhardt Dames, Bernd Ziegler
  • Publication number: 20030181567
    Abstract: Thermoplastic molding compositions comprising, as substantive components,
    Type: Application
    Filed: December 30, 2002
    Publication date: September 25, 2003
    Inventor: Burkhardt Dames
  • Publication number: 20030175492
    Abstract: 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: Application
    Filed: December 30, 2002
    Publication date: September 18, 2003
    Inventors: Burkhardt Dames, Erich Pellkofer
  • Patent number: 6590020
    Abstract: 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: Grant
    Filed: December 18, 2000
    Date of Patent: July 8, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Eberle, Burkhardt Dames
  • Patent number: 6524427
    Abstract: 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: Grant
    Filed: August 25, 1999
    Date of Patent: February 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Sabine Kielhorn-Bayer, Burkhardt Dames, Karl-Heinz Schumacher
  • Patent number: 6426377
    Abstract: 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: Grant
    Filed: July 14, 2000
    Date of Patent: July 30, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Gerst, Bernhard Schuler, Burkhardt Dames
  • Patent number: 6376094
    Abstract: 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: Grant
    Filed: June 1, 1999
    Date of Patent: April 23, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Burkhardt Dames, Karl-Heinz Schumacher, Jürgen Barwich, Hans-Joachim Fricke
  • Publication number: 20010041764
    Abstract: 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: Application
    Filed: August 25, 1999
    Publication date: November 15, 2001
    Inventors: SABINE KIELHORN-BAYER, BURKHARDT DAMES, KARL-HEINZ SCHUMACHER
  • Patent number: 5990221
    Abstract: 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: Grant
    Filed: July 8, 1997
    Date of Patent: November 23, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Burkhardt Dames, Klemens Mathauer, Walter Machtle
  • Patent number: 5596051
    Abstract: 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 mix
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: January 21, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Ekkehard Jahns, Burkhardt Dames