Patents by Inventor Guenther Schulz
Guenther Schulz 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: 5176985Abstract: A reaction product useful for preparing radiation-sensitive materials, in particular materials whose solubility in water or aqueous alkali increases on irradiation, contains urea and urethane groups and also carboxyl groups and is obtained by reaction ofi) an ethylenically monounsaturated or polyunsaturated mono- or polyalcohol withii) a di- or polyisocyanate,iii) at least one amino compound andiv) at least one anhydride of an at least dibasic carboxylic acid,the number of NCO and anhydride groups in ii) and iv) being equal to or less than the number of groups in i) and iii) which are reactive therewith.Type: GrantFiled: August 2, 1990Date of Patent: January 5, 1993Assignee: BASF AktiengesellschaftInventors: Friedrich Seitz, Erich Beck, Joachim Roser, Guenther Schulz, Eleonore Bueschges, Thomas Zwez
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Patent number: 5169721Abstract: Magnetic recording media consist of a nonmagnetic substrate and at least one magnetizable layer which is firmly applied thereon and is based on a polyurethane binder, not less than 50% by weight of the binder consisting of a high molecular weight branched polyurethane elastomer having OH-containing urea groups at the chain ends, and the frictional properties of the binder being improved and its coefficient of friction reduced by incorporation of perfluoro groups.Type: GrantFiled: August 23, 1990Date of Patent: December 8, 1992Assignee: BASF AktiengesellschaftInventors: Michael Bobrich, August Lehner, Albert Kohl, Rudolf Suettinger, Uwe Keppeler, Werner Lenz, Roller Hermann, Helmut Kopke, Guenther Schulz
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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: 5120608Abstract: Magnetic recording media consist of a nonmagnetic substrate and at least one magnetizable layer which is firmly applied thereon and is based on a polyurethane binder which may be crosslinked with a polyisocyanate, not less than 50% by weight of the binder consisting of a low molecular weight branched polyurethane having OH-containing urea groups at the chain ends, and the frictional properties of the binder being improved and its friction reduced by the incorporation of perfluoro groups.Type: GrantFiled: August 23, 1990Date of Patent: June 9, 1992Assignee: BASF AktiengesellschaftInventors: Michael Bobrich, August Lehner, Albert Kohl, Rudolf Suettinger, Uwe Keppeler, Werner Lenz, Hermann Roller, Helmut Kopke, Guenther Schulz
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Patent number: 5112725Abstract: A flexographic printing plate which is resistant to ozone cracking and where the flexible recording layer has an anisotropy factor AF of <1.5 is produced from a photosensitive mixture consisting of A) one or more elastomeric binders,B) a mixture ofB1) from 5 to 20% by weight of one or more photopolymerizable organic compounds which are compatible with (A) and contain two or more olefinic double bonds andB2) from 1 to 15% by weight of one or more monoolefinically unsaturated organic compounds which are compatible with (A) and whose homopolymer has a glass transition temperature which is below room temperature,C) from 0.1 to 10% by weight of one or more photoinitiators andD) from 0 to 27% by weight of conventional assistants and additives,the anisotropy factor AF of the flexible recording layer being defined as the ratio of the moduli of elasticity at 100% elongation of strips measuring 2.times.Type: GrantFiled: March 14, 1991Date of Patent: May 12, 1992Assignee: BASF AktiengesellschaftInventors: Karl-Rudolf Kurtz, Horst Koch, Guenther Schulz
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Patent number: 5082737Abstract: Magnetic recording media consist of a nonmagnetic substrate and at least one magnetizable layer which is firmly applied thereon and is based on a polyurethane binder which may be crosslinked with polyisocyanate, not less than 50% by weight of the binder consisting of a low molecular weight branched polyureaurethane having OH-containing urea groups at the chain ends, and the sliding properties of the said binder being improved and its coefficient of friction reduced by incorporation of siloxane groups.Type: GrantFiled: August 23, 1990Date of Patent: January 21, 1992Assignee: BASF AktiengesellschaftInventors: Michael Bobrich, Hermann Roller, August Lehner, Uwe Keppeler, Rudolf Suettinger, Werner Loch, Werner Lenz, Guenther Schulz
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Patent number: 5015768Abstract: Novel 2-[(meth)acrylamidomethyl]-1,3-diketones have the general formula (I) ##STR1## where R is hydrogen or methyl,R.sup.1 is hydrogen, methyl or ethyl,R.sup.2 and R.sup.3 are each alkyl of from 1 to 6 carbon atoms or unsubstituted or substituted aryl of from 6 to 20 carbon atoms, R.sup.2 and R.sup.3 being identical to or different from each other.Type: GrantFiled: August 13, 1990Date of Patent: May 14, 1991Assignee: BASF AktiengesellschaftInventors: Bernhard Nick, Kaspar Bott, Guenther Schulz
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Patent number: 5011991Abstract: Novel 2-[(meth)acrylamidomethyl]-1,3-diketones have the general formula (I) ##STR1## where R is hydrogen or methyl,R.sup.1 is hydrogen, methyl or ethyl,R.sup.2 and R.sup.3 are each alkyl of from 1 to 6 carbon atoms or unsubstituted or substituted aryl of from 6 to 20 carbon atoms, R.sup.2 and R.sup.3 being identical to or different from each other.Type: GrantFiled: June 2, 1989Date of Patent: April 30, 1991Assignee: BASF AktiengesellschaftInventors: Bernhard Nick, Kaspar Bott, Guenther Schulz
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Patent number: 4946917Abstract: Novel 4-[(meth)acrylamidomethyl]-pyrazoles and -isoxazoles of the general formula ##STR1## where R is hydrogen or methyl, R.sup.1 is hydrogen, methyl or ethyl, R.sup.2 and R.sup.3 may be identical or different and are each alkyl of 1 to 6 carbon atoms or unsubstituted or substituted aryl of 6 to 20 carbon atoms, and X is oxygen or an NR.sup.4 group where R.sup.4 is hydrogen or a radical having the meanings of R.sup.2 or R.sup.3, a process for their preparation, and the use of these compounds in particular for polymerization and the preparation of homopolymers and copolymers, are described.Type: GrantFiled: December 29, 1989Date of Patent: August 7, 1990Assignee: BASF AktiengesellschaftInventors: Kaspar Bott, Bernhard Nick, Guenther Schulz
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Patent number: 4940650Abstract: A flexographic printing plate which is resistant to ozone cracking and where the flexible recording layer has an anisotropy factor AF of <1.5 is produced from a photosensitive mixture consisting of(A) one or more elastomeric binders,(B) a mixture of(B1) from 5 to 20% by weight of one or more photopolymerizable organic compounds which are compatible with (A) and contain two or more olefinic double bonds and(B2) from 1 to 15% by weight of one or more monoolefinically unsaturated organic compounds which are compatible with (A) and whose homopolymer has a glass transition temperature which is below room temperature,(C) from 0.1 to 10% by weight of one or more photoinitiators and(D) from 0 to 27% by weight of conventional assistants and additives,the anisotropy factor AF of the flexible recording layer being defined as the ratio of the moduli of elasticity at 100% elongation of strips measuring 2.times.Type: GrantFiled: March 31, 1989Date of Patent: July 10, 1990Assignee: BASF AktiengesellschaftInventors: Karl-Rudolf Kurtz, Horst Koch, Guenther Schulz
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Patent number: 4939268Abstract: Novel 4-[(meth)acrylamidomethyl]-pyrazoles and -isoxazoles of the general formula ##STR1## where R is hydrogen or methyl, R.sup.1 is hydrogen, methyl or ethyl, R.sup.2 and R.sup.3 may be identical or different and are each alkyl of 1 to 6 carbon atoms or unsubstituted or substituted aryl of 6 to 20 carbon atoms, and X is oxygen or an NR.sup.4 group where R.sup.4 is hydrogen or a radical having the meanings of R.sup.2 or R.sup.3, a process for their preparation, and the use of these compounds in particular for polymerization and the preparation of homopolymers and copolymers, are described.Type: GrantFiled: June 2, 1989Date of Patent: July 3, 1990Assignee: BASF AktiengesellschaftInventors: Kaspar Bott, Bernhard Nick, Guenther Schulz
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Patent number: 4920157Abstract: Radiation-curable contact adhesives containing (A) oligomeric or polymeric reaction products of (a) diisocyanates, (b) polyesterols and/or polyetherols, (c) optionally C.sub.2 -C.sub.50 -diols, (d) C.sub.2 -C.sub.20 -hydroxyalkyl (meth)acrylates and (e) monohydroxyalkylcarboxylic acids in defined weight proportions and (e) monovinyl compounds in an amount of 2-90% by weight, based on A+B, produce contact adhesive layers of particularly high surface tackiness and particularly high cohesion.Type: GrantFiled: March 15, 1988Date of Patent: April 24, 1990Assignee: BASF AktiengesellschaftInventors: Guenther Schulz, Wolfgang Druschke, Helmut Jaeger
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Patent number: 4873023Abstract: Compounds of the general formulae ##STR1## where R is versatyl and R' is unsubstituted or alkyl-substituted straight-chain alkylene of 4 or 5 carbon atoms can be prepared by reacting the versatic ester of 1,3-dihydroxy-propyl-2 acrylate and/or of 2,3-dihydroxy-propyl-1 acrylate with equimolar amounts of saturated or monoolefinically unsaturated cyclic dicarboxylic anhydrides having 4 or 5 carbon atoms and an oxygen atom in the ring at from 50.degree. to 150.degree. C. in the presence of customary esterification catalysts and can be used as reactive diluents in radiation-curable contact adhesives.Type: GrantFiled: November 21, 1988Date of Patent: October 10, 1989Assignee: BASF AktiengesellschaftInventors: Guenther Schulz, Wolfgang Druschke, Helmut Jaeger
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Patent number: 4849307Abstract: The invention relates to a novel photosensitive recording material which can be developed in aqueous solvents after its imagewise irradiation with actinic light and which consists essentially of a dimensionally stable base (A) and of a photosensitive recording layer (B). The said photosensitive recording layer (B) contains from about 48 to about 85% by weight, based on the photosensitive recording layer (B) of one or more elastomeric graft copolymers (B1) which are selected from the group consisting of polyalkylene oxide - vinyl ester - graft copolymers whose vinyl ester structural units have been hydrolyzed to a degree of not less 50 mol.-% from about 0.01 to about 10% by weight, based on the photosensitive recording layer (B), of one or more photoinitiators (B2), and from about 5 to about 30% by weight, based on the photosensitive recording layer (B), of one or more photopolymerizable monomers (B3).Type: GrantFiled: December 8, 1987Date of Patent: July 18, 1989Assignee: BASF AktiengesellschaftInventors: Gerhard Hoffmann, Horst Koch, Guenther Schulz
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Patent number: 4746456Abstract: Detergents contain added graft copolymers which have an antiredeposition action and are obtainable by grafting polyalkylene oxides having a number average molecular weight of from 2000 to 100,000 with vinyl acetate in a weight ratio of from 1:0.2 to 1:10, and up to 15% of whose acetate groups may be hydrolyzed.Type: GrantFiled: October 2, 1986Date of Patent: May 24, 1988Assignee: Basf AktiengesellschaftInventors: Alexander Kud, Guenther Schulz, Wolfgang Trieselt, Heinrich Hartmann
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Patent number: 4554240Abstract: A photosensitive recording material for the production of printing plates, relief plates or resist images comprises a photocurable relief-forming layer (RL) which is applied onto a dimensionally stable base and consists of(a) a water-soluble or water-dispersible polyvinyl alcohol derivative containing from 1 to 12 mole % of olefinically unsaturated photopolymerizable or photocrosslinkable side groups, in particular of .alpha.,.beta.-olefinically unsaturated carboxylic acids, not more than 30 mole % of hydroxyl groups which are esterified and/or etherified with other non-olefinic radicals, and not less than 65 mole % of free hydroxyl groups and(b) one or more photopolymerization initiators, with or without(c) conventional non-photopolymerizable assistants and/or additives.Type: GrantFiled: June 25, 1984Date of Patent: November 19, 1985Assignee: BASF AktiengesellschaftInventors: Guenther Schulz, Manfred Zuerger
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Patent number: 4540743Abstract: The acylation of polyvinyl alcohols is carried out by a process in which these alcohols are esterified with an activated carboxylic acid derivative in the presence of, as the catalyst, an aminopyridine derivative of the general formula (I) ##STR1## where R.sup.1 and R.sup.2 are each alkyl, or R.sup.1 and R.sup.2 together form an alkylene radical. The acylation is particularly advantageously carried out in the heterogeneous phase. The acylated polyvinyl alcohols prepared in this manner are used in photopolymerizable and/or photocrosslinkable mixtures.Type: GrantFiled: June 25, 1984Date of Patent: September 10, 1985Assignee: BASF AktiengesellschaftInventors: Guenther Schulz, Guenther Wallbillich
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Patent number: D725459Type: GrantFiled: April 9, 2014Date of Patent: March 31, 2015Assignee: STEINCO Paul vom Stein GmbHInventor: Guenther Schulz