Patents by Inventor Joachim Hans Georg Steinke

Joachim Hans Georg Steinke 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).

  • Polyvinyl ethers
    Patent number: 7491779
    Abstract: The present invention relates to polyvinyl ethers and to their use as supports for synthetic methods (organic synthesis, peptide synthesis, oligonucleotide synthesis, oligosaccharide synthesis or any other synthetic procedure) and to their use for chromatographic applications (such as affinity chromatography), immobilisation of enzymes, reagents or catalysts.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: February 17, 2009
    Assignee: Imperial College of Science, Technology and Medicine
    Inventors: Joachim Hans Georg Steinke, David Alan Pears, Gabriel Cavalli-Petraglia
  • Metalation and functionalization of polymers and copolymers
    Patent number: 5849828
    Abstract: There is provided a method of introducing functionality into a copolymer of an isoolefin and an alkylstyrene at the alkylbenzyl carbon atom comprising the steps of: forming a solution of said copolymer in a hydrocarbon solvent; adding to said polymer solution an alkali metal Cs, K, Na alkoxide and an alkyl lithium compound to form a superbase with the polymer solution; and adding an electrophile to said base polymer solution also provided are the metalated copolymers and the functionalized derivative therefrom.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: December 15, 1998
    Assignees: Exxon Chemical Patents Inc, Cornell Research Foundation, Inc
    Inventors: Jean M. J. Frechet, Shah A. Haque, Joachim Hans Georg Steinke, Hsien-Chang Wang
  • Metalation and functionalization of polymers and copolymers
    Patent number: 5821308
    Abstract: There is provided a method of introducing functionality into a copolymer of an isoolefin and an alkylstyrene at the alkylbenzyl carbon atom comprising the steps of: forming a solution of said copolymer in a hydrocarbon solvent; adding to said polymer solution an alkali metal Cs, K, Na alkoxide and an alkyl lithium compound to form a superbase with the polymer solution; and adding an electrophile to said base polymer solution also provided are the metalated copolymers and the functionalized derivative therefrom.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: October 13, 1998
    Assignees: Exxon Chemical Patents Inc, Cornell Research Foundation
    Inventors: Jean M. J. Frechet, Shah A. Haque, Joachim Hans Georg Steinke, Hsien-Chang Wang
  • Metalation and functionalization of polymers and copolymers
    Patent number: 5670581
    Abstract: There is provided a method of introducing functionality into a copolymer of an isoolefin and an alkylstyrene at the alkylbenzyl carbon atom comprising the steps of: forming a solution of said copolymer in a hydrocarbon solvent; adding to said polymer solution an alkali metal Cs, K, Na alkoxide and an alkyl lithium compound to form a superbase with the polymer solution; and adding an electrophile to said base polymer solution also provided are the metalated copolymers and the functionalized derivative therefrom.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 23, 1997
    Assignees: Exxon Chemical Patents Inc., Cornell Research Foundation, Inc.
    Inventors: Jean M. J. Frechet, Shah A. Haque, Joachim Hans Georg Steinke, Hsien-Chang Wang