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).
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Patent number: 5130202Abstract: 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: GrantFiled: August 13, 1990Date of Patent: July 14, 1992Assignee: BASF AktiengesellschaftInventors: Uwe Keppeler, Michael Bobrich, Guenter Heil, Hermann Roller, August Lehner, Werner Lenz, Guenther Schulz
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Patent number: 5084319Abstract: 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: GrantFiled: November 14, 1989Date of Patent: January 28, 1992Assignee: BASF AktiengesellschaftInventors: Hartmut Hibst, Arend Werner, Joachim Hack, Heinrich Mannsperger, Michael Hitzfeld, Werner Grau, Guenter Heil, Norbert Holl
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Patent number: 4673591Abstract: 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: GrantFiled: July 26, 1985Date of Patent: June 16, 1987Assignee: BASF AktiengesellschaftInventors: August Lehner, Guenter Heil, Werner Lenz, Werner Balz, Albert Kohl, Gunnar Schornick
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Patent number: 4671969Abstract: 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: GrantFiled: July 26, 1985Date of Patent: June 9, 1987Assignee: BASF AktiengesellschaftInventors: August Lehner, Werner Balz, Werner Lenz, Albert Kohl, Guenter Heil
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Patent number: 4666781Abstract: 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: GrantFiled: July 26, 1985Date of Patent: May 19, 1987Assignee: BASF AktiengesellschaftInventors: August Lehner, Guenter Heil, Jenoe Kovacs, Werner Balz, Werner Lenz
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Patent number: 4666783Abstract: 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: GrantFiled: May 15, 1985Date of Patent: May 19, 1987Assignee: BASF AktiengesellschaftInventors: Guenter Heil, Werner Lenz, Jenoe Kovacs
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Patent number: 4560456Abstract: 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: GrantFiled: September 10, 1984Date of Patent: December 24, 1985Assignee: BASF AktiengesellschaftInventors: Guenter Heil, Werner Lenz, Jenoe Kovacs, Werner Grau, Werner Balz
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Patent number: 4559118Abstract: 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: GrantFiled: September 10, 1984Date of Patent: December 17, 1985Assignee: BASF AktiengesellschaftInventors: Guenter Heil, Herbert Spoor, Werner Lenz, Jenoe Kovacs, Werner Grau, Werner Balz, August Lehner
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Patent number: 4557813Abstract: 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: GrantFiled: September 10, 1984Date of Patent: December 10, 1985Assignee: BASF AktiengesellschaftInventors: Guenter Heil, Werner Lenz, Jenoe Kovacs
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Patent number: 4522693Abstract: 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: GrantFiled: June 2, 1983Date of Patent: June 11, 1985Assignee: BASF AktiengesellschaftInventors: Andreas Henne, Anton Hesse, Guenter Heil, Gunnar Schornick
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Patent number: 4424314Abstract: 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: GrantFiled: September 24, 1979Date of Patent: January 3, 1984Assignee: BASF AktiengesellschaftInventors: Helmut Barzynski, Heinrich Hartmann, Dieter Lautenbach, Rolf Osterloh, Lutz Goethlich, Guenter Heil
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Patent number: 4334034Abstract: 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: GrantFiled: February 5, 1981Date of Patent: June 8, 1982Assignee: BASF AktiengesellschaftInventors: August Lehner, Heinrich Hartmann, Guenter Heil, Werner Lenz, Ingolf Buethe, Rudolf Bachmann
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Patent number: 4205139Abstract: 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: GrantFiled: July 28, 1977Date of Patent: May 27, 1980Assignee: BASF AktiengesellschaftInventors: Helmut Barzynski, Heinrich Hartmann, Dieter Lautenbach, Rolf Osterloh, Lutz Goethlich, Guenter Heil
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Patent number: 4147604Abstract: 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: GrantFiled: July 3, 1978Date of Patent: April 3, 1979Assignee: BASF AktiengesellschaftInventors: Werner Kuesters, Guenter Heil, Martin Fischer, Manfred Eisert, Hellmut Kast
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Patent number: 4113593Abstract: 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: GrantFiled: September 19, 1977Date of Patent: September 12, 1978Assignee: BASF AktiengesellschaftInventors: Helmut Barzynski, Guenter Heil
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Patent number: 4056453Abstract: 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: GrantFiled: July 29, 1976Date of Patent: November 1, 1977Assignee: BASF AktiengesellschaftInventors: Helmut Barzynski, Guenter Heil, Karl Klemm, Helfrid Sander