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Britsch

Catherine M. Britsch, Pittsburgh, PA US

Patent application numberDescriptionPublished
20090142506Ethylenically unsaturated polyisocyanate addition compounds based on lysine triisocyanate, their use in coating compositions and processes for their preparation - This invention relates to ethylenically unsaturated polyisocyanate addition compounds and to coating compositions prepared from these ethylenically unsaturated polyisocyanate addition compounds. These ethylenically unsaturated polyisocyanate addition compounds resins comprise the reaction product of (a) lysine triisocyanate and (b) at least one hydroxy-functional (meth)acrylate.06-04-2009

Lothar Britsch, Reute/freiburg DE

Patent application numberDescriptionPublished
20090065415Chromatography column - Disclosed is a chromatographic column for use with chromatographic materials packed in a defined manner.03-12-2009

Lothar Britsch, Reute DE

Patent application numberDescriptionPublished
20110136925GRAFT COPOLYMERS FOR ION EXCHANGE CHROMATOGRAPHY - The invention relates to a modified separating material having improved properties, to the preparation thereof, and to the use thereof for the separation of charged biopolymers from liquids.06-09-2011

Matthias Britsch, Konigswinter DE

Patent application numberDescriptionPublished
20100030694METHOD FOR SECURING IP CONNECTIONS FOR NETWORK OPERATOR COMBINATORY CONNECTIONS - The invention relates to a method for securing IP connections with a combinatory connection of a communication network of a first network operator with a communication network of at least one second network operator using the Session Initiation Protocol, SIP. This method is based on the fact that portions of an SIP message, but at least the information necessary for the combinatory connection of the networks, is transmitted in encrypted form between a transmission channel of the first network operator and a reception channel of the second network operator.02-04-2010
20100150140IP MULTIMEDIA SUBSYSTEM (IMS) AND METHOD FOR ROUTING AN HTTP MESSAGE VIA AN IMS - The invention relates to an IP Multimedia Subsystem, IMS, for providing a service via a network to at least one subscriber, the system comprising: at least a first proxy function and a first server function for handling messages with a first protocol, a subscriber database connected via a first interface to the server function, at least a second proxy function and a second server function for handling messages with a second protocol, the second server functionally is connected via a second interface to the database.06-17-2010
20100185763METHOD FOR EXCHANGING USER INFORMATION IN A TELECOMMUNICATION NETWORK - The invention relates to a method for exchanging user information between a control entity of an access network accessible by a user client and a service entity connected to the access network, the method comprising the steps of: transmitting user information from the user client to a control entity of the access network in order to register with the access network, checking in the control entity the user information versus a user profile stored at the control entity, generating a global identifier assigned to the client, storing the global identifier in the control entity, transmitting the global identifier to the service entity, and using the global identifier to register the client with the service entity.07-22-2010