Patents by Inventor Hermann Perrey
Hermann Perrey 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: 7659338Abstract: Polychloroprene dispersions containing particles of urea derivatives having a particle size in the range of 10 to 400 nm, which can be used in adhesive compositions. The adhesive compositions can be used to provide substrates containing adhesive layers obtained from the compositions.Type: GrantFiled: December 15, 2004Date of Patent: February 9, 2010Assignee: Bayer MaterialScience AGInventors: Rüdiger Musch, Jan Mazanek, Hermann Perrey, Knut Panskus
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Patent number: 7268183Abstract: Reactive polyurethane hotmelts comprising crystallizing polyesterpolyols based on fumaric acid and 1,6-hexanediol. These hotmelts exhibit good pressure-sensitive adhesive (PSA) properties over a very broad temperature range. The reactive polyurethane hotmelts are prepared by mixing a polyol mixture containing at least on crystallizing polyesterpolyol with an excess of polyisocyanates.Type: GrantFiled: August 15, 2003Date of Patent: September 11, 2007Assignee: Bayer MaterialScience AGInventors: Matthias Wintermantel, Hermann Perrey, Christian Wamprecht, Walter Meckel, Jürgen Ramthun
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Publication number: 20050137309Abstract: Polychloroprene dispersions containing particles of urea derivatives having a particle size in the range of 10 to 400 nm, which can be used in adhesive compositions. The adhesive compositions can be used to provide substrates containing adhesive layers obtained from the compositions.Type: ApplicationFiled: December 15, 2004Publication date: June 23, 2005Inventors: Rudiger Musch, Jan Mazanek, Hermann Perrey, Knut Panskus
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Publication number: 20040068049Abstract: Reactive polyurethane hotmelts comprising crystallizing polyesterpolyols based on fumaric acid and 1,6-hexanediol. These hotmelts exhibit good pressure-sensitive adhesive (PSA) properties over a very broad temperature range. The reactive polyurethane hotmelts are prepared by mixing a polyol mixture containing at least on crystallizing polyesterpolyol with an excess of polyisocyanates.Type: ApplicationFiled: August 15, 2003Publication date: April 8, 2004Inventors: Matthias Wintermantel, Hermann Perrey, Christian Wamprecht, Walter Meckel, Jurgen Ramthun
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Patent number: 5314982Abstract: The invention relates to a new three-part process, which can also be employed on a large industrial scale, for the preparation of polyurea lubricating greases, which is characterised(a) in that polyureas which carry oleophilic groups are prepared by reaction of diisocyanates with amines either in the absence of a solvent on a reaction screw at 80.degree.-120.degree. C., preferably at 85.degree.-95.degree. C., (variant A) or in a toluene medium at 20.degree.-80.degree. C., preferably at 30.degree.-60.degree. C., (variant B),(b) in that, after complete reaction, the polyureas prepared according to (a) are ground in the solid, dry state to give powders (at least 70% by weight of the powder having particle sizes of about 100-400.mu.) and(c) in that the ground crude product, after being made into a "paste" (wetted) at elevated temperature in the base oil employed (10-30 minutes at 140.degree.-180.degree. C.Type: GrantFiled: September 17, 1992Date of Patent: May 24, 1994Assignee: Bayer AGInventors: Christian Rasp, Ralf Timmermann, Hermann Perrey, Bernhard Lehmann, Siegfried Kussi
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Patent number: 4923920Abstract: This invention relates to mixtures of at least one elastomer latex with at least one dispersion of an aromatic polycarbonate, aromatic polyester or aromatic polyester carbonate.Type: GrantFiled: June 20, 1988Date of Patent: May 8, 1990Assignee: Bayer AktiengesellschaftInventors: Thomas Scholl, Hermann Perrey, Martin Matner
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Patent number: 4888379Abstract: This invention relates to heat-sensitive polyurethane dispersions and their use in the preparation of hollow articles by the dipping-process, for coating webs and the production of elastomeric filaments.Type: GrantFiled: June 22, 1987Date of Patent: December 19, 1989Assignee: Bayer AktiengesellschaftInventors: Wolfgang Henning, Wolfram V. Langenthal, Hermann Perrey, Hellmut Striegler
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Patent number: 4870151Abstract: Specific new polyurea-modified polyetherurethanes and their uses as breakers for water-in-oil emulsions, in particular as breakers for water-in-oil emulsions.Type: GrantFiled: September 28, 1988Date of Patent: September 26, 1989Assignee: Bayer AktiengesellschaftInventors: Thomas Scholl, Hermann Perrey, Thomas Augustin, Christian Wegner
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Patent number: 4824639Abstract: In a test strip for the detection of a component in a liquid sample, the strip comprising a support layer, a microporous polymer layer and a reagent for the detection of the component to be determined, the improvement wherein the microporous polymer layer is a membrane which has an asymmetric pore structure with the narrower pores being on the side to which the sample is applied, and the support layer is macroscopically smooth. The porous membrane is produced by coagulation from solution.Type: GrantFiled: February 3, 1988Date of Patent: April 25, 1989Assignee: Bayer AktiengesellschaftInventors: Karlheinz Hildenbrand, Hans-Hagen von Dohren, Hermann Perrey, Georg Frank, Rolf Dhein
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Patent number: 4824640Abstract: A transparent reagent carrier layers in analytical agents for dry chemical detection of constituents of aqueous sample solutions, the reagent carrier layer consisting of a water-soluble or water-swellable component and a film-forming component.Type: GrantFiled: October 27, 1986Date of Patent: April 25, 1989Assignee: Bayer AktiengesellschaftInventors: Karlheinz Hildenbrand, Hans-Hagen Von Dohren, Hermann Perrey, Klaus Wehling
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Patent number: 4804475Abstract: Polymer membranes metallized by wet chemistry are highly suitable, for example, for the separation of inert, reactive and fermentation gases.The metallization is carried out after activation with noble-metal complex compounds which have at least two functional groups.Preferred metal coatings are those of Cu, Co and Ni.Type: GrantFiled: May 7, 1987Date of Patent: February 14, 1989Assignee: Bayer AktiengesellschaftInventors: Kirkor Sirinyan, Karlheinz Hildenbrand, Ulrich von Gizycki, Rudolf Merten, Hermann Perrey, Gerhard D. Wolf
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Patent number: 4792609Abstract: An indoline derivative of the formula (I) ##STR1## in which R.sup.1 denotes H or C.sub.1 -C.sub.8 -alkyl;R.sup.2 and R.sup.3 are identical or different and denote C.sub.1 -C.sub.8 -alkyl;R.sup.4 -R.sup.9 are identical or different and denote H, C.sub.1 -C.sub.8 -alkyl, C.sub.5 -C.sub.6 -cycloalkyl or phenyl-C.sub.1 -C.sub.4 -alkyl, or R.sup.5 and R.sup.6 connected together to form a further C.sub.5 -C.sub.6 ring, andR.sup.10 denotes H or one or more radicals selected from the group consisting of C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 alkoxy, C.sub.5 -C.sub.6 -cycloalkyl, phenyl-C.sub.1 -C.sub.4 -alkyl and carb-C.sub.1 -C.sub.8 -alkoxy radicals, or halogen atoms. Such indoline derivative is useful as a UV absorber.Type: GrantFiled: May 21, 1986Date of Patent: December 20, 1988Assignee: Bayer AktiengesellschaftInventors: Thomas Scholl, Otto Exner, Peter Finkel, Hermann Perrey
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Patent number: 4774178Abstract: Biological material such as microorganisms is immobilized by polymerizing in the presence of the biological material a readily soluble polyetherpolyol having some hydroxyl groups esterified with acrylic and/or methacrylic acid and remaining hydroxyl groups reacted with an isocyanate group-containing derivative of an unsaturated carboxylic acid or a polyfunctional isocyanate. Preferably, the isocyanate derivative of an unsaturated carboxylic acid is isocyanatoethyl acrylate, isocyanatoethyl methacrylate of 4-isocyanato-3-methyl-2-butyl-acrylate and the polyfunctional isocyanate is a diisocyanate or polyisocyanate. Beads can be produced by forming droplets in a water-immiscible medium and polymerizing. Polymerization can be carried out under inert gas in the presence of radical initiators or by irradiation with actinic light.Type: GrantFiled: April 26, 1985Date of Patent: September 27, 1988Assignee: Bayer AktiengesellschaftInventors: Peter Egerer, Wilfried Haese, Hermann Perrey, Gunter Schmidt-Kastner
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Patent number: 4762884Abstract: The invention is directed to a process for the production of polyurethanes suitable for thermoplastic processing comprising mixingI. at least 75% by weight of preformed thermoplastic polyurethane elastomers, or of a blend of(A) substantially bifunctional, compounds(B) substantially bifunctional chain-extending agents(C) organic diisocyanates and optionally(D) lubricants or other known additivessaid blend characterized in that it contains no peroxides and polymerization initiators which decompose into radicals under the effect of actinic light and further in that the molar ratio of the sum of said (A) and said (B) to said (C) is between 0.9 to 1.1, withII. (E) from 4 to 24% by weight of a crosslinking agent andIII. (F) from 0.01 to 3% by weight of a polymerization inhibitor and/or an antioxidant,by adding said II and said III to said I at a temperature below 230.degree. C., and the cooling the mixture to below 130.degree. C.Type: GrantFiled: April 20, 1987Date of Patent: August 9, 1988Assignee: Bayer AktiengesellschaftInventors: Wilhelm Goyert, Jurgen Winkler, Hermann Perrey, Herbert Heidingsfeld
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Patent number: 4745175Abstract: New sulphur-containing polyethers based on optionally polymeric thioalkylene oxides and polyalkylene oxides, method for their preparation and their use as breakers for water-in-oil emulsions, in particular, as breakers for crude oil emulsions. The polyethers are of the formula ##STR1## in which R.sub.1 and R.sub.2, independently of each other, represent hydrogen and/or a straight-chain or branched C.sub.1 to C.sub.20 alkyl group,R.sub.3 and R.sub.4, independently of each other and independently of adjacent ##STR2## groups, represent in each case hydrogen, a straight-chain or branched C.sub.1 to C.sub.20 alkyl group and/or for --A--O--B, whereA denotes a straight-chain or branched C.sub.1 to C.sub.20 alkylene group andB denotes a straight-chain or branched C.sub.1 to C.sub.20 alkylene-OH group or a ##STR3## group with R.sub.1 and R.sub.2 as defined above, n represents an integer from 1 to 100 andm represents an integer from 10 to 2,500.Type: GrantFiled: January 22, 1986Date of Patent: May 17, 1988Assignee: Bayer AktiengesellschaftInventors: Thomas Scholl, Wolfgang Oberkirch, Hermann Perrey
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Patent number: 4687709Abstract: This invention relates to a magnetic recording carrier in which the magnetic layer and/or the backing layer contains, in addition to the usual additives, radiation hardenable dispersing agents based on ethylenically unsaturated phosphoric acid ester mixtures capable of forming bataine type stuctures and consisting of reaction products of (A) an acrylic acid ester and/or oligo acrylate containing 1 OH group per molecule, (B) a tertiary alkylamine containing 1 OH group per molecule and (C) phosphorus pentoxide, the reaction products having acid numbers below 200.Type: GrantFiled: October 6, 1986Date of Patent: August 18, 1987Assignee: Agfa Gevaert AktiengesellschaftInventors: Hermann Brinkmeyer, Gerhard Hubler, Hermann Perrey, Burkhard Nippe, Heinrich Kober
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Patent number: 4579934Abstract: Thermotropic, wholly-aromatic polyester carbonates which contain condensed radicals of 4,4'-dihydroxydiphenyl have a reduced viscosity in the melt, without the mechanical properties of the product suffering therefrom.Type: GrantFiled: July 3, 1984Date of Patent: April 1, 1986Assignee: Bayer AktiengesellschaftInventors: Hermann Brinkmeyer, Manfred Schmidt, Hermann Perrey, Aziz E. Sayed
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Patent number: 4535111Abstract: Certain polyurea-modified polyether urethanes of polyisocyanates, polyethers and polyamines are suitable as heat sensitizing agents for latices.Type: GrantFiled: August 8, 1984Date of Patent: August 13, 1985Assignee: Bayer AktiengesellschaftInventors: Hermann Perrey, Martin Matner
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Patent number: 4535074Abstract: Fungicidally active novel phosphorylated azolyl derivatives of the formula ##STR1## in which A represents a nitrogen atom or the CH group,R represents optionally substituted phenyl or the grouping ##STR2## wherein X and Y are identical or different and represent hydrogen or halogen,R.sup.1 represents hydrogen andR.sup.2 represents hydrogen, optionally substituted phenoxy or optionally substituted benzyl, orR.sup.1 and R.sup.2 together represent the grouping .dbd.CH--Z, wherein Z represents optionally substituted cycloalkyl or optionally substituted phenyl,R.sup.3 represents alkyl, optionally substituted phenyl or optionally substituted benzyl,R.sup.4 represents hydrogen or alkyl andR.sup.5 represents hydrogen or alkyl,or salts or addition products thereof with metal salts.Type: GrantFiled: March 26, 1984Date of Patent: August 13, 1985Assignee: Bayer AktiengesellschaftInventors: Reinhard Preuss, Hermann Perrey, Helmut Ritter, Paul Reinecke, Wilhelm Brandes
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Patent number: 4502863Abstract: Solid dyestuff formulations having excellent dyebath stability are obtained in an economical manner by mixing a water-insoluble textile dyestuff with a dispersant and a carboxyl-containing copolymer of(a) an .alpha.,.beta.-ethylenically unsaturated monocarboxylic acid,(b) a non-basic ester of an .alpha.,.beta.-ethylenically unsaturated monocarboxylic acid, and(c) an unsaturated aliphatic or aromatic hydrocarbon or acrylonitrile,bead-milling the mixture down to a particle size of, preferably, 1-2.mu., and then spray-drying the ground mixture. If desired the dispersant can also be added during the synthesis of the dyestuff, as a consequence of which early addition the milling process can be dispensed with.Type: GrantFiled: June 3, 1983Date of Patent: March 5, 1985Assignee: Bayer AktiengesellschaftInventors: Wolfgang Bornatsch, Robert Kuth, Hermann Perrey