Patents by Inventor Helmut Bellaire

Helmut Bellaire 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: 5891227
    Abstract: Aqueous dye preparations useful for producing inks for the inkjet process or writing inks or for producing aqueous alcoholic coating or printing colors comprise, based on the weight of the preparation, from 0.1 to 15% by weight of a dye quantity comprising from 90 to 100% by weight of the dye of the formula I ##STR1## where Kat.sup..sym. is the equivalent of a metal or ammonium ion, from 1 to 40% by weight of carbon black and from 0.1 to 15% by weight of polyethylene glycol.
    Type: Grant
    Filed: August 14, 1997
    Date of Patent: April 6, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Dietrich Hoffmann, Ulrike Schlosser, Erwin Czech, Walter Kurtz, Karin Heidrun Beck, Doug R. Campbell, Helmut Bellaire, Horst Belde
  • Patent number: 5814139
    Abstract: Ballpoint pen pastes comprising at least one phthalocyanine pigment and customary ballpoint pen paste resin and organic solvent as essential components and also, if desired, further customary additives, and the preparation thereof.
    Type: Grant
    Filed: July 18, 1996
    Date of Patent: September 29, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Karin Heidrun Beck, Helmut Bellaire, Erwin Czech, Walter Kurtz
  • Patent number: 5616644
    Abstract: Dyestuff-containing aqueous dispersions obtainable bya) preparation of at least two copolymers A) and B) in an organic solvent by solution polymerization,A) containing from 5 to 50 % by weight, based on A), of an ethylenically unsaturated acid andB) being essentially free of ethylenically unsaturated acids and the solution polymerization of the copolymers A) or B) being carried out in the presence of the other respective copolymer A) or B) already prepared,b) addition of a dyestuff before, during or after the solution polymerization,c) dispersion of the resulting solution in water andd) removal of the organic solvent if desired, are described.
    Type: Grant
    Filed: June 28, 1995
    Date of Patent: April 1, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernhard Schlarb, Kurt Wendel, Helmut Bellaire, Karin H. Beck
  • Patent number: 5607762
    Abstract: Ink ribbons containing one or more compounds from the group comprising phthalocyanines, the naphthalocyanines, the nickel dithiolene complexes, the methine dyes and the azulene quaternary-acid dyes, all of which have their absorption maximum in the region from 700 to 1,200 nm.
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: March 4, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernhard Albert, Juergen Kipper, Friedrich Closs, Helmut Bellaire
  • Patent number: 5567233
    Abstract: Ballpoint pen pastes are prepared comprising at least one colored metal oxide pigment and customary ballpoint pen paste resin and organic solvent as essential components and also, if desired, further customary additives.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 22, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Karin H. Beck, Helmut Bellaire, Claudius Kormann, Rainer Dyllick-Brenzinger
  • Patent number: 5254163
    Abstract: Pigment preparations useful for preparing color ribbons contain from 20 to 40% by weight, based on the weight of the preparation, of a pigment based on carbon black, from 1 to 10% by weight, based on the weight of the preparation, of a dispersant based on a reaction product of polyhydroxystearic acid with an amine, and from 50 to 79% by weight, based on the weight of the preparation, of olein.
    Type: Grant
    Filed: February 6, 1992
    Date of Patent: October 19, 1993
    Assignee: BASF Aktiengesellschaft
    Inventor: Helmut Bellaire
  • Patent number: 5205838
    Abstract: Liquid dye preparations useful for making color ribbons or ballpoint pen pastes contain at least one dye of the formula ##STR1## where X is hydroxyl, amino or C.sub.1 -C.sub.15 -monoalkylamino, R.sup.1 and R.sup.4 are each a carboxylate group or substituted or unsubstituted C.sub.1 -C.sub.15 -alkoxy, R.sup.2 and R.sup.5 are each hydrogen, nitro or chlorine, and R.sup.3 is hydrogen or C.sub.1 -C.sub.13 -alkyl, plus as solvent at least one product selected from the group consisting of benzyl alcohol, tridecanol, isotridecanol, glycol ethers, olein, dialkyl phthalates, chloroalkanes, alkanes disubstituted by phenyl, dialkylnaphthalenes and partly hydrogenated terphenyl.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: April 27, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Dyllick-Brenzinger, Heinz Hartmann, Helmut Bellaire, Georg Zeidler