Patents by Inventor Guenter Heil

Guenter Heil 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: 5130202
    Abstract: Magnetic recording media consist of a nonmagnetic substrate and at least one magnetizable layer which is applied firmly thereon and is based on a polyurethane binder, not less than 50% by weight of binder consisting of a branched polyurethane elastomer having urea groups at the chain ends.
    Type: Grant
    Filed: August 13, 1990
    Date of Patent: July 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Keppeler, Michael Bobrich, Guenter Heil, Hermann Roller, August Lehner, Werner Lenz, Guenther Schulz
  • Patent number: 5084319
    Abstract: Disk-shaped magnetic recording media essentially consisting of a flexible substrate, a thin ferromagnetic metal film applied to one or both sides and a protective or antifriction layer present on this metal film and essentially consisting of carbon, a process for the production of these recording media and information stores containing these recording media.
    Type: Grant
    Filed: November 14, 1989
    Date of Patent: January 28, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Hartmut Hibst, Arend Werner, Joachim Hack, Heinrich Mannsperger, Michael Hitzfeld, Werner Grau, Guenter Heil, Norbert Holl
  • Patent number: 4673591
    Abstract: Layer-type magnetic recording media are produced by dispersing a finely divided magnetically anisotropic material in a binder which consists of not less than 30% of a radiation-curable aqueous binder dispersion, applying the dispersion onto a non-magnetic base, orienting the magnetically anisotropic material and drying and crosslinking the applied layer by means of UV or high-energy electron radiation.
    Type: Grant
    Filed: July 26, 1985
    Date of Patent: June 16, 1987
    Assignee: BASF Aktiengesellschaft
    Inventors: August Lehner, Guenter Heil, Werner Lenz, Werner Balz, Albert Kohl, Gunnar Schornick
  • Patent number: 4671969
    Abstract: Layer-type magnetic recording media are produced by dispersing a finely divided magnetically anisotropic material in a binder which consists of not less than 40% of a radiation-curable aqueous binder dispersion, applying the dispersion onto a non-magnetic base, orienting the magnetically anisotropic material and drying and crosslinking the applied layer by means of UV or high-energy electron radiation.
    Type: Grant
    Filed: July 26, 1985
    Date of Patent: June 9, 1987
    Assignee: BASF Aktiengesellschaft
    Inventors: August Lehner, Werner Balz, Werner Lenz, Albert Kohl, Guenter Heil
  • Patent number: 4666783
    Abstract: Magnetic recording media comprise a non-magnetic base and one or more magnetic layers consisting of an organic binder matrix containing finely divided magnetic material, the said binder matrix being obtained by electron beam curing of a mixture of from 60 to 100% by weight of a polyurethane acrylate polymer possessing polymerizable acrylate double bonds and from 0 to 40% by weight of an acrylate monomer and/or an acrylate prepolymer and/or an N-vinyl monomer.
    Type: Grant
    Filed: May 15, 1985
    Date of Patent: May 19, 1987
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Heil, Werner Lenz, Jenoe Kovacs
  • Patent number: 4666781
    Abstract: Magnetic recording media comprising a non-magnetic substrate and a magnetic layer comprising a finely divided magnetic material dispersed in an organic solvent soluble, crosslinkable, essentially linear, thermoplastic polyurethane which possesses acrylate side and terminal groups wherein said polyurethane is prepared by reacting poly- and/or diisocyanates with a mixture of (a) methacrylate - or acrylate - diols having molecular weights of from 146 to 3,000, (b) monoesters of methacrylic or acrylic acid and a diol having a molecular weight of from 116 to 300, and (c) other organic polydiol compounds which have molecular weights of from 400 to 5,000.
    Type: Grant
    Filed: July 26, 1985
    Date of Patent: May 19, 1987
    Assignee: BASF Aktiengesellschaft
    Inventors: August Lehner, Guenter Heil, Jenoe Kovacs, Werner Balz, Werner Lenz
  • Patent number: 4560456
    Abstract: Magnetic recording media comprise a non-magnetic base and one or more magnetic layers consisting of an organic binder matrix containing finely divided magnetic material, the said matrix being obtained by electron beam curing of a mixture of from 70 to 90% by weight of a polyurethane acrylate polymer possessing polymerizable double bonds and from 10 to 30% by weight of one or more copolymerizable compounds.
    Type: Grant
    Filed: September 10, 1984
    Date of Patent: December 24, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Heil, Werner Lenz, Jenoe Kovacs, Werner Grau, Werner Balz
  • Patent number: 4559118
    Abstract: Magnetic recording media comprise a non-magnetic base and one or more magnetic layers consisting of an organic binder matrix containing finely divided magnetic material, the said matrix being obtained by electron beam curing of a mixture of from 50 to 100% by weight of a polyurethane acrylate polymer possessing polymerizable double bonds and from 0 to 50% by weight of an acrylate and/or an acrylate prepolymer and/or an N-vinyl monomer and/or an N-vinyl prepolymer.
    Type: Grant
    Filed: September 10, 1984
    Date of Patent: December 17, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Heil, Herbert Spoor, Werner Lenz, Jenoe Kovacs, Werner Grau, Werner Balz, August Lehner
  • Patent number: 4557813
    Abstract: Magnetic recording media comprising a non-magnetic base and one or more magnetic layers consisting of an organic binder matrix containing finely divided magnetic material, the said matrix being obtained by electron beam curing of a mixture of from 60 to 100% by weight of a polyurethane acrylate polymer possessing polymerizable double bonds and from 0 to 40% by weight of an acrylate and/or an acrylate prepolymer and/or an N-vinyl monomer and/or an N-vinyl prepolymer.
    Type: Grant
    Filed: September 10, 1984
    Date of Patent: December 10, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Guenter Heil, Werner Lenz, Jenoe Kovacs
  • Patent number: 4522693
    Abstract: Acylphosphine sulfides of the formula ##STR1## where R.sup.1 is alkyl, cycloalkyl or an unsubstituted or substituted phenyl, naphthyl or heterocyclic radical; R.sup.2 has the meaning of R.sup.1 and can be identical to or different from R.sup.1, or is alkoxy, unsubstituted or substituted phenoxy or phenoxyalkyl, or R.sup.1 or R.sup.2 are linked together to form a ring, which may contain further alkyl substituents and fused-on benzene rings; R.sup.3 is alkyl, a cycloaliphatic radical, substituted phenyl, an unsubstituted or substituted naphthyl or heterocyclic radical or the group ##STR2## where X is unsubstituted or substituted phenylene or an aliphatic or cycloaliphatic divalent radical; and where one or more of R.sup.1, R.sup.2 and R.sup.3 may be olefinically unsaturated.These acylphosphine sulfides can be prepared from acylphosphines and sulfur and can be used as photoinitiators in photopolymerizable compositions.
    Type: Grant
    Filed: June 2, 1983
    Date of Patent: June 11, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Henne, Anton Hesse, Guenter Heil, Gunnar Schornick
  • Patent number: 4424314
    Abstract: Curable coating compositions of olefinically unsaturated compounds A and an N-vinyl compound B. The N-vinyl compounds carry at least 2 N-vinyl groups and at least one carbonyl group bonded to the nitrogen of the N-vinyl group. The coating compositions can be used for the manufacture of paints, printing inks, printing plates and photoresist materials.
    Type: Grant
    Filed: September 24, 1979
    Date of Patent: January 3, 1984
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Barzynski, Heinrich Hartmann, Dieter Lautenbach, Rolf Osterloh, Lutz Goethlich, Guenter Heil
  • Patent number: 4334034
    Abstract: A process for the preparation of polymerizable, primarily linear thermoplastic polyurethane elastomers with acrylate side groups comprising reacting an organic polyisocyanate with a mixture of(a) an acrylate diol having a molecular weight of 146 to 3000,(b) an organic polyhydroxyl compound other than those of paragraph (a) having a molecular weight between 400 and 5000, and(c) a chain extender selected from the group consisting of diols, diamines, aminoalcohols, and triols, having molecular weights between 61 and 400, water, and mixtures thereofwherein the ratio of isocyanate to active hydrogen containing groups is from 0.8:1 to 1.2:1 and wherein 1.4 to 1.8 moles of organic polyisocyante, 0 to 15 moles of component (c) and 0.3 to 6 moles of component (a) are used per mole of component (b). The polymerizable polyurethane elastomers may be used for the manufacture of molded parts, laminates, adhesives, coatings, magnetic tapes, and other articles.
    Type: Grant
    Filed: February 5, 1981
    Date of Patent: June 8, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: August Lehner, Heinrich Hartmann, Guenter Heil, Werner Lenz, Ingolf Buethe, Rudolf Bachmann
  • Patent number: 4205139
    Abstract: Curable coating compositions of olefinically unsaturated compounds A and an N-vinyl compound B. The N-vinyl compounds carry at least 2 N-vinyl groups and at least one carbonyl group bonded to the nitrogen of the N-vinyl group. The coating compositions can be used for the manufacture of paints, printing inks, printing plates and photoresist materials.
    Type: Grant
    Filed: July 28, 1977
    Date of Patent: May 27, 1980
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Barzynski, Heinrich Hartmann, Dieter Lautenbach, Rolf Osterloh, Lutz Goethlich, Guenter Heil
  • Patent number: 4147604
    Abstract: Photopolymerizable binders for printing inks, coatings and printing plates, based on olefinically unsaturated compounds, with or without a polymeric binder component, and containing a diaminobenzophenone compound as the photosensitizer, are improved in respect of their toxicity and shelf life if the diaminobenzophenone compound has the formula R.sup.1 R.sup.2 N--C.sub.6 H.sub.4 --CO--C.sub.6 H.sub.4 --NR.sup.3 R.sup.4, where R.sup.1 and R.sup.3 are H(OR.sup.5).sub.x radicals, R.sup.5 being alkylene of 2 or 3 carbon atoms and x being 1, 2 or 3, and R.sup.2 and R.sup.4 are each alkyl of 1 to 4 carbon atoms or are radicals of the type of R.sup.1 and R.sup.3.
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: April 3, 1979
    Assignee: BASF Aktiengesellschaft
    Inventors: Werner Kuesters, Guenter Heil, Martin Fischer, Manfred Eisert, Hellmut Kast
  • Patent number: 4113593
    Abstract: Photopolymerizable binders for UV-curing printing inks and coating compositions, which contain benzophenone-based photoinitiators and photosensitizers including p-dimethylaminobenzaldehyde and esters of p-dimethylaminobenzoic acid.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: September 12, 1978
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Barzynski, Guenter Heil
  • Patent number: 4056453
    Abstract: Printing inks which cure under the action of UV radiation. The inks consist ofA. pigmentB. a mixture of benzophenone and Michler's ketone as the photoinitiatorC. a urethane-acrylateD. an epoxy-acrylate and/orE. a N-methylol-acrylamide-ether or N-methylol-methacrylamide-ether.
    Type: Grant
    Filed: July 29, 1976
    Date of Patent: November 1, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Barzynski, Guenter Heil, Karl Klemm, Helfrid Sander