Patents by Inventor Wilfried Haese
Wilfried Haese 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: 10619815Abstract: The present invention relates to a projection spotlight module comprising a reflector with a first focal point and a second focal point, a light source which is disposed at the first focal point of the reflector or close to the first focal point of the reflector, a lens that has its focal point in common with the second focal point of the reflector, and a stop system with color filters for reducing color fringing. Projection spotlight modules according to the invention are especially suited for illumination in the automotive sector, of utility vehicles, of rail vehicles, of two-wheeled vehicles, of ships, in particular as headlights, as theater spotlights or as architectural lightings, for instance in the illumination of facades.Type: GrantFiled: October 9, 2017Date of Patent: April 14, 2020Assignees: Covestro Deutschland AG, Technische Hochschule Nürnberg Georg Simon OhmInventors: Wilfried Haese, Rafael Oser, Michael Roppel, Alexander Von Hoffmann, Martin Gebhard, Bernhard Heck, Alena Taranka
-
Publication number: 20190234574Abstract: The present invention relates to a projection spotlight module comprising a reflector with a first focal point and a second focal point, a light source which is disposed at the first focal point of the reflector or close to the first focal point of the reflector, a lens that has its focal point in common with the second focal point of the reflector, and a stop system with color filters for reducing color fringing. Projection spotlight modules according to the invention are especially suited for illumination in the automotive sector, of utility vehicles, of rail vehicles, of two-wheeled vehicles, of ships, in particular as headlights, as theater spotlights or as architectural lightings, for instance in the illumination of facades.Type: ApplicationFiled: October 9, 2017Publication date: August 1, 2019Inventors: Wilfried HAESE, Rafeel OSER, Michael ROPPEL, Alexander VON HOFFMANN, Martin GEBHARD, Bernhard HECK, Alena TARANKA
-
Patent number: 8778476Abstract: This invention relates to DVDs made from polycarbonate and a special UV curable bonder material consisting of A) an urethane acrylate oligomer as binder, which is the reaction product of i) one or more polyisocyanates and ii) one or more hydroxyfunctional lactone ester (meth)acrylates having a number average molecular weight of from 200 g/mol to 2000 g/mol and having the formula: CH2?C(R1)—C(O)—O—R2—[O—C(O)—R3]n—OH wherein, n is an integer from 1 to 5, R1 is hydrogen or methyl, R2 represents an alkylene group or substituted alkylene group having from 2 to 10 carbon atoms and R3 represents a straight or branched chain alkylene group of from 3 to 8 carbon atoms, and which may be substituted with one or more alkyl groups having from 1 to 12 carbon atoms, B) a reactive thinner, comprising of mono functional acrylates and/or (meth)acrylates C) a photo initiator and D) optional additives which offers improved performance at high data transfer rates.Type: GrantFiled: January 26, 2011Date of Patent: July 15, 2014Assignee: Bayer MaterialScience AGInventors: Friedrich-Karl Bruder, Wilfried Haese, Rafael Oser, Wolfgang Fischer, Michael Ludewig, Raymond Wong, Ice Zhang
-
Patent number: 8709571Abstract: This invention relates to an optical recording medium in which at least a recording layer and a light transmitting layer are sequentially formed on a substrate and in which the light is illuminated from the light transmitting layer side for recording and/or reproducing information signals, said substrate comprising an injection molded part, and said substrate having a Young's modulus E of at least 2.15 GPa and a Q factor of lower than 160 measured at 25° C. at 2000 Hz in accordance to ASTM E 756-05 05 and a transcriptability of the pit/groove structure of >85%.Type: GrantFiled: December 12, 2009Date of Patent: April 29, 2014Assignee: Bayer MaterialScience AGInventors: Friedrich-Karl Bruder, Wilfried Haese, Rafael Oser, Rainer Protte, Alexander Meyer, Karlheinz Hildenbrand, Raymond Wong, Ice Zhang
-
Patent number: 8436128Abstract: This invention relates to the use of polycarbonate for the production of an optical recording medium in which secure high speed operation, a transcriptability of the pit/groove structure of >85% and sufficient disc flatness can be achieved and the polycarbonate is based on bisphenol A and the polycarbonate contains a release agent in an amount less than 2000 ppm.Type: GrantFiled: December 12, 2009Date of Patent: May 7, 2013Assignee: Bayer Intellectual Property GmbHInventors: Friedrich-Karl Bruder, Wilfried Haese, Rafael Oser, Ulrich Blaschke, Raymond Wong, Ice Zhang, Jörg Wehrle, Michael Roppel
-
Publication number: 20130029081Abstract: This invention relates to DVDs made from polycarbonate and a special UV curable bonder material consisting of A) an urethane acrylate oligomer as binder, which is the reaction product of i) one or more polyisocyanates and ii) one or more hydroxyfunctional lactone ester (meth)acrylates having a number average molecular weight of from 200 g/mol to 2000 g/mol and having the formula: CH2?C(R1)—C(O)—O—R2—[O—C(O)—R3]n—OH wherein, n is an integer from 1 to 5, R1 is hydrogen or methyl, R2 represents an alkylene group or substituted alkylene group having from 2 to 10 carbon atoms and R3 represents a straight or branched chain alkylene group of from 3 to 8 carbon atoms, and which may be substituted with one or more alkyl groups having from 1 to 12 carbon atoms, B) a reactive thinner, comprising of mono functional acrylates and/or (meth)acrylates C) a photo initiator and D) optional additives which offers improved performance at high data transfer rates.Type: ApplicationFiled: January 26, 2011Publication date: January 31, 2013Applicant: Bayer Intellectual Property GmbHInventors: Friedrich-Karl Bruder, Wilfried Haese, Rafael Oser, Wolfgang Fischer, Michael Ludewig, Raymond Wong, Ice Zhang
-
Publication number: 20120065354Abstract: This invention relates to the use of polycarbonate for the production of an optical recording medium in which secure high speed operation, a transcriptability of the pit/groove structure of >85% and sufficient disc flatness can be achieved.Type: ApplicationFiled: December 12, 2009Publication date: March 15, 2012Applicant: Bayer MaterialScience AGInventors: Friedrich-Karl Bruder, Wilfried Haese, Rafael Oser, Ulrich Blaschke, Raymond Wong, Ice Zhang, Joerg Wehrle, Michael Roppel
-
Publication number: 20110300325Abstract: This invention relates to an optical recording medium in which at least a recording layer and a light transmitting layer are sequentially formed on a substrate and in which the light is illuminated from the light transmitting layer side for recording and/or reproducing information signals, said substrate comprising an injection molded part, and said substrate having a Young's modulus E of at least 2.15 GPa and a Q factor of lower than 160 measured at 25° C. at 2000 Hz in accordance to ASTM E 756-05 05 and a transcriptability of the pit/groove structure of >85%.Type: ApplicationFiled: December 12, 2009Publication date: December 8, 2011Applicants: Bayer MAterialScience (China) Company Ltd., Bayer MaterialScience AGInventors: Friedrich-Karl Bruder, Wilfried Haese, Rafael Oser, Rainer Protte, Alexander Meyer, Karlheinz Hildenbrand, Raymond Wong, Ice Zhang
-
Patent number: 7993721Abstract: Optical recording mediums comprising a substrate and a recording layer and a light transmitting layer sequentially disposed on the substrate; wherein the substrate comprises one or more parts selected from the group consisting of injection molded parts, injection molded sandwich structures having a molded surface layer and a molded core layer or two injection molded parts which are UV-bonded, and combinations thereof; and wherein the substrate has a Young's modulus E of at least 2.15 GPa and a Q factor of lower than 160 measured at 25° C. at 2000 Hz in accordance to ASTM E 756-05.Type: GrantFiled: October 17, 2008Date of Patent: August 9, 2011Assignee: Bayer MaterialScience AGInventors: Friedrich-Karl Bruder, Wilfried Haese, Rafael Oser, Jan Wiekard, Wolfgang Fischer, Rainer Protte, Joerg Wehrle, Karlheinz Hildenbrand
-
Patent number: 7814626Abstract: The invention provides a process for the preparation of polycarbonate by the melt transesterification process, polycarbonate having a low electrostatic charge obtainable by this process, and moldings or extrudates, in particular optical data storage media or light-diffusing plates, made from this polycarbonate.Type: GrantFiled: May 9, 2008Date of Patent: October 19, 2010Assignee: Bayer MaterialScience AGInventors: Pete Fischer, Wilfried Haese, Alexander Meyer
-
Patent number: 7799889Abstract: The present invention provides a polycarbonate resin produced by the continuous interfacial process characterized in that after alkaline hydrolysis with sodium hydroxide, the polycarbonate resin contains an amount of 0.01 to 150 ppm of carbamate compounds according to formula (1) said amount measured by high pressure liquid chromatography, wherein R1 and R2 independently of one another denote hydrogen or C1-C12-alkyl, or together denote C4-C12-alkylidene, and R3 and R4 independently of one another denote hydrogen. C1-C12-alkyl or phenyl, or together with the carbon atom to which they are bonded form cyclohexyl or trimethylcyclohexyl, the process comprising phosgene reacting with at least one bisphenol at 8 to 17% molar excess of phosgene relative to the bisphenol.Type: GrantFiled: December 20, 2005Date of Patent: September 21, 2010Assignee: Bayer Materialscience AGInventors: Alexander Meyer, Helmut Einberger, Wolfgang Ebert, Michael Prein, Wilfried Haese, Uli Franz, Stephan Konrad
-
Patent number: 7705107Abstract: An improvement to the phase interface process of preparing aromatic polycarbonate is disclosed. The process is characterized in that the phosgenation is carried out at 0 to 40° C., and in that the temperature of the reaction mixture at the time of addition of the catalyst at 10 to 40° C., and in that the molar ratio of aromatic dihydroxy compounds to phosgene at 1:1.05 to 1:1.20. The polycarbonate thus produced is characterized in its low content of carbamates, making it particularly suitable for the preparation of optical storage media.Type: GrantFiled: December 20, 2005Date of Patent: April 27, 2010Assignee: Bayer MaterialScience AGInventors: Hermann Kauth, Wolfgang Ebert, Wilfried Haese, Helmut Einberger, Alexander Meyer, Andreas Frankenau, Uli Franz, Christian Eh, Stefaan De Vos, Bert Ruytinx
-
Patent number: 7701634Abstract: The present invention relates to a multilayer, surface structured solid plate for light guidance, the base material of which consists of a transparent plastic material, and optionally one or more cover layers.Type: GrantFiled: July 2, 2008Date of Patent: April 20, 2010Assignee: Bayer MaterialScience AGInventors: Günther Walze, Gunther Stollwerck, Wilfried Haese
-
Patent number: 7589165Abstract: Polycarbonate resin containing small amounts of carbamate compounds is disclosed. The resin that contains at least one of compounds conforming to wherein R1 and R2 independently of one another denote hydrogen or C1-C12-alkyl, or together denote C4-C12-alkylidene, R3 and R4 independently of one another represent hydrogen, C1-C12-alkyl, or phenyl, or together with the carbon atom to which they are bonded form cyclohexyl or trimethylcyclohexyl, and R5 denotes hydrogen, C1-C12-alkyl, C5-C12-cycloalkyl, phenyl or cumyl, are characterized by their low electrostatic field and therefore suitable for making optical storage media.Type: GrantFiled: December 20, 2005Date of Patent: September 15, 2009Assignee: Bayer Material Science AGInventors: Alexander Meyer, Wilfried Haese, Stephan Konrad, Claus-Ludolf Schultz
-
Publication number: 20090117314Abstract: The invention relates to a process for the preparation of polycarbonate by the melt transesterification method, polycarbonate having a small buildup of electrostatic charge and obtainable by this process and shaped articles or extrudates, in particular optical data stores or diffuser discs, comprising this polycarbonate.Type: ApplicationFiled: November 6, 2008Publication date: May 7, 2009Applicant: Bayer MaterialScience AGInventors: Wilfried Haese, Alexander Meyer
-
Publication number: 20090104395Abstract: Optical recording mediums comprising a substrate and a recording layer and a light transmitting layer sequentially disposed on the substrate; wherein the substrate comprises one or more parts selected from the group consisting of injection molded parts, injection molded sandwich structures having a molded surface layer and a molded core layer or two injection molded parts which are UV-bonded, and combinations thereof; and wherein the substrate has a Young's modulus E of at least 2.15 GPa and a Q factor of lower than 160 measured at 25° C. at 2000 Hz in accordance to ASTM E 756-05.Type: ApplicationFiled: October 17, 2008Publication date: April 23, 2009Applicant: Bayer MaterialScience AGInventors: Friedrich-Karl Bruder, Wilfried Haese, Rafael Oser, Jan Weikard, Wolfgang Fischer, Rainer Protte, Joerg Wehrle, Karlheinz Hildenbrand
-
Publication number: 20090073567Abstract: The present invention relates to a multilayer, surface structured solid plate for light guidance, the base material of which consists of a transparent plastic material, and optionally one or more cover layers.Type: ApplicationFiled: July 2, 2008Publication date: March 19, 2009Applicant: Bayer MaterialScience AGInventors: Guenther Walze, Gunther Stollwerck, Wilfried Haese
-
Publication number: 20080319156Abstract: The invention provides a process for the preparation of polycarbonate by the melt transesterification process, polycarbonate having a low electrostatic charge obtainable by this process, and mouldings or extrudates, in particular optical data storage media or light-diffusing plates, made from this polycarbonate.Type: ApplicationFiled: May 9, 2008Publication date: December 25, 2008Applicant: Bayer MaterialScience AGInventors: Peter Fischer, Wilfried Haese, Alexander Meyer
-
Publication number: 20080154018Abstract: A process for purifying polycarbonate is disclosed. The process entails filtering molten polycarbonate having weight average molecular weight of 14,000 to 30,000 g/mol through at least one non-woven metal structure having a thickness of 5 to 1 mm, said structure including at least one dense layer, and at least one less dense layer wherein said dense layer is 0.05 to 0.2 mm thick and has pore size of 1 to 10 ?m to obtain pure polycarbonate.Type: ApplicationFiled: October 25, 2007Publication date: June 26, 2008Inventors: Wolfgang Ebert, Bernhard Nietzwetzki, Rainer Mellis, Wilfried Haese, Bert Ruytinx, Alexander Karbach, Alexander Meyer
-
Publication number: 20080107858Abstract: A polycarbonate resin comprising fluorescing particles that feature a particular size distribution is disclosed. The size distribution of these particles that fluoresce upon excitation at wavelengths of 400-440 nm, 50× magnification and illumination time of 40 msec per scan was found to be critical in determining the suitability of the resin for optical, particularly optical storage, applications.Type: ApplicationFiled: October 25, 2007Publication date: May 8, 2008Inventors: Alexander Meyer, Wolfgang Ebert, Wilfried Haese, Gabriele Kretschmar, Burkhard Reitze, Thomas Winzen, Friedrich-Karl Bruder, Bert Ruytinx, Alexander Karbach, Matthias Voetz, Andreas Pogoda