Patents by Inventor Harald Röckel

Harald Röckel 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: 7018711
    Abstract: Microcapsules having a capsule core comprising water-soluble organic substances, and a capsule coating which is a condensate of formaldehyde resins and/or alkyl ethers thereof, a process for their preparation, their use, and compositions comprising the microcapsules.
    Type: Grant
    Filed: April 20, 2002
    Date of Patent: March 28, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Dirk Wulff, Ekkehard Jahns, Harald Röckel, Volker Schehlmann
  • Patent number: 6964837
    Abstract: The present invention relates to the use of at least one radiation crosslinkable, preferably UV crosslinkable, polymer composition as a data recording medium, especially in the form of what are known as smart coatings based on such polymer compositions, which in a further embodiment comprises at least one fluorescence chromophore, and also to a composite at least comprising one support and one layer comprising a radiation crosslinkable polymer composition comprising at least one fluorescence chromophore, and also, preferably, an additional UV absorbing layer.
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: November 15, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Schrof, Harald Röckel, Rüdiger Füssl, Karl-Heinz Schumacher, Ralf Fink
  • Patent number: 6838143
    Abstract: Adhesive-coated, peelable protective films and peelable labels, wherein the adhesive contains a copolymer that is capable of undergoing free-radical polymerization and which comprises, to an extent of from 0.1 to 10 wt %, based on the copolymer, a compound A compound of at least one copolymerizable, ethylenically unsaturated group and a group of the formula in which R1 and R2 independently stand for hydrogen or a C1-C5 alkyl group or R1 and R2 together form a bridging C2-C4 alkylene group which can be mono- or di-substituted by a C1-C4 alkoxy group or hydroxyl group and X stands for O or S.
    Type: Grant
    Filed: March 7, 2001
    Date of Patent: January 4, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Christelle Staller, Karl-Heinz Schumacher, Oliver Hartz, Harald Röckel
  • Publication number: 20040089961
    Abstract: The invention relates to micro-capsules comprising a capsule core containing water-soluble, organic substances and a capsule shell, which is a condensate of formaldehyde resins and/or their alkyl ethers. The invention also relates to a method for producing said micro-capsules, to the use thereof and to agents containing the micro-capsules.
    Type: Application
    Filed: October 23, 2003
    Publication date: May 13, 2004
    Inventors: Dirk Wulff, Ekkehard Jahns, Harald Rockel, Volker Schelmann
  • Patent number: 6710112
    Abstract: An aqueous polymer dispersion having a minimum film-forming temperature of below +65° C.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: March 23, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Mario Sandor, Cheng-Le Zhao, Harald Röckel, Uwe Dittrich
  • Publication number: 20030175506
    Abstract: The present invention relates to the use of at least one radiation crosslinkable, preferably UV crosslinkable, polymer composition as a data recording medium, especially in the form of what are known as smart coatings based on such polymer compositions, which in a further embodiment comprises at least one fluorescence chromophore, and also to a composite at least comprising one support and one layer comprising a radiation crosslinkable polymer composition comprising at least one fluorescence chromophore, and also, preferably, an additional UV absorbing layer.
    Type: Application
    Filed: November 1, 2002
    Publication date: September 18, 2003
    Inventors: Wolfgang Schrof, Harald Rockel, Rudiger Fussl, Karl-Heinz Schumacher, Ralf Fink
  • Patent number: 6610776
    Abstract: The use of an aqueous emulsion paint having a pigment content of from 40 to 200 parts by weight per 100 parts by weight of polymer to coat buildings or building parts, wherein said polymer comprises an emulsion copolymer containing from 0.5 to 30% by weight of monomers of the formula I where R1 is a hydrogen atom or a methyl group, X is a divalent organic polyalkylene oxide group comprising from 1 to 50 alkylene oxide units, and R2 is a hydrogen atom or an aliphatic or aromatic hydrocarbon group having 1 to 20 carbon atoms.
    Type: Grant
    Filed: March 8, 2001
    Date of Patent: August 26, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Laubender, Frauke Richter, Harald Röckel, Maria Gyopar Rau
  • Publication number: 20030157566
    Abstract: The present invention relates to combinatorial processes for preparing an array of n aqueous polymer dispersions by emulsion polymerization and for preparing an array of m formulations of polymer dispersions, and also to the arrays themselves.
    Type: Application
    Filed: January 16, 2003
    Publication date: August 21, 2003
    Inventors: Sebastian Koltzenburg, Dirk Wulff, Harald Rockel, Wolfgang Schrof, Peter Rossmanith, Walter Machtle
  • Patent number: 6552116
    Abstract: A multi-stage emulsion polymer containing at least one first domain having a glass transition temperature Tg of from −10 to +40° C. and at least one second domain having a Tg of from +50 to 120° C., the weight ratio of the first domain to the second domain being within the range from 90:10 to 50:50. The first and/or the second domain containing from 0.1 to 10% by weight of a nitrogen-coutaining adhesion monomer and the first domain containing at least 10% by weight of vinyl aromatic compounds and/or the second domain containing at least 15% by weight of vinyl aromatic compounds and/or C4 to C12 alkylmethacrylates.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: April 22, 2003
    Assignee: BASF Aktiengesellchaft
    Inventors: Joachim Pakusch, Uwe Dittrich, Harald Röckel, Alan Smith, Erich Gulbins, Li Zhuo
  • Patent number: 6451899
    Abstract: The present invention relates to aqueous formulations comprising: i. at least one hydrophilic particulate polymer P1, as an aqueous dispersion, composed essentially of monoethylenically unsaturated monomers having a water-solubility in the range from 10 to 100 g/l (at 25° C. and 1 bar), and ii. at least one hydrophobic particulate polymer P2, as an aqueous dispersion, composed essentially of ethylenically unsaturated monomers having a water-solubility below 10 g/l (at 25° C. and 1 bar), the glass transition temperature Tg1 of the polymer P1 being less than 10 K different from the glass transition temperature Tg2 of the polymer P2.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: September 17, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Cheng-Le Zhao, Uwe Dittrich, Joachim Roser, Joachim Pakusch, Harald Röckel