Patents by Inventor Wolfgang Jona

Wolfgang Jona 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).

  • Method for producing microparticles loaded with proteins
    Patent number: 7335401
    Abstract: The present invention concerns a method for producing microparticles loaded with proteins which is characterized in that the microparticles are loaded in suspension under strongly alkaline conditions. The invention also concerns microparticles which can be produced using this method and their use in a binding test e.g. in an immunoassay.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: February 26, 2008
    Assignee: Roche Diagnostic Operations, Inc.
    Inventors: Andreas Finke, Ursula Klause, Federic Donie, Rupert Herrmann, Herbert Von Der Eltz, Peter Sluka, Wolfgang Jona
  • Method for producing microparticles loaded with proteins
    Publication number: 20050079545
    Abstract: The present invention concerns a method for producing microparticles loaded with proteins which is characterized in that the microparticles are loaded in suspension under strongly alkaline conditions. The invention also concerns microparticles which can be produced using this method and their use in a binding test e.g. in an immunoassay.
    Type: Application
    Filed: July 12, 2004
    Publication date: April 14, 2005
    Inventors: Andreas Finke, Ursula Klause, Frederic Donie, Rupert Herrmann, Herbert Von Der Eltz, Peter Sluka, Wolfgang Jona
  • Perylene imide monocarboxylic acids
    Patent number: 6166210
    Abstract: Perylene imide monocarboxylic acids of the general formula I ##STR1## perylene-3,4-dicarboxylic acid imides, perylene imide carboxylic acid derivatives and a process for the preparation of these compounds as well as their use, inter alia, as colourants.
    Type: Grant
    Filed: December 3, 1998
    Date of Patent: December 26, 2000
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Heinz Langhals, Wolfgang Jona
  • Fluorescence-derivatisation of carbonyl compounds-novel carbonyl reagents
    Patent number: 6060601
    Abstract: Perylene hydrazide imides of the general formula I a process for the preparation thereof, the use thereof as detection reagents for carbonyl compounds, protonic acids, acylating agents and metal salts, and also perylene hydrazones II and bi- and tri-fluorophoric perylene bisimides III, the preparation thereof and methods of using them.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: May 9, 2000
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Heinz Langhals, Wolfgang Jona