Heuken
Maria Heuken, Mannheim DE
Patent application number | Description | Published |
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20140165457 | POLYMERIC COMPOSITIONS COMPOSED OF ETHYLENE-VINYL ESTER COPOLYMERS ALKYL (METH)ACRYLATES, PROCESSES FOR PRODUCTION THEREOF AND USE THEREOF AS POUR POINT DEPRESSANTS FOR CRUDE OILS, MINERAL OILS OR MINERAL OIL PRODUCTS - Polymeric compositions obtainable by free-radical polymerization of at least two different alkyl (meth)acrylates in the presence of at least one ethylene-vinyl ester copolymer, the alkyl (meth)acrylates used being a mixture comprising alkyl (meth)acrylates having linear C | 06-19-2014 |
20140166287 | POLYMER FORMULATIONS IN SOLVENTS WITH A HIGH FLASHPOINT, PROCESSES FOR PRODUCTION THEREOF AND USE THEREOF AS POUR POINT DEPRESSANTS FOR CRUDE OILS, MINERAL OILS OR MINERAL OIL PRODUCTS - Polymer formulations comprising at least two different solvents having a flashpoint ≧60° C., and polymeric compositions obtainable by free-radical polymerization of at least one alkyl (meth)acrylate in the presence of at least one ethylene-vinyl ester copolymer. Multistage process for producing such formulations and the use of such formulations as pour point depressants for crude oils, mineral oils or mineral oil products. | 06-19-2014 |
Michael Heuken, Aachen DE
Patent application number | Description | Published |
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20120205617 | NON-POLAR SEMICONDUCTOR LIGHT EMISSION DEVICES - A light emitting device includes a silicon substrate having a (100) upper surface. The (100) upper surface has a recess, the recess being defined in part by (111) surfaces of the silicon substrate. The light emitting device includes a GaN crystal structure over one of the (111) surfaces which has a non-polar plane and a first surface along the non-polar plane. Light emission layers over the first surface have at least one quantum well comprising GaN. | 08-16-2012 |
Tobias Heuken, Muenchen DE
Patent application number | Description | Published |
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20140218978 | CONVERTER WITH GALVANIC ISOLATION - A converter is suggested comprising a transformer providing a galvanic isolation between a primary side and a secondary side of the converter; at least one switching element; a converter control unit comprising a first pin for controlling the at least one switching element and a second pin for detecting a current signal in the at least one switching element during a first phase; and for detecting an output voltage signal of the secondary side of the converter and an information regarding a current in a secondary winding of the transformer during a second phase. | 08-07-2014 |