Patents by Inventor MANFRED OGRIS

MANFRED OGRIS 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).

  • Publication number: 20040248842
    Abstract: Complexes of nucleic acid and polyethyleneimine (PEI), wherein PEI is modified with a hydrophilic polymer covalently coupled thereto, such as polyethyleneglycol, and processes for preparing them. A cellular ligand such as transferrin is optionally coupled to PEI. The complexes may be used for preparing pharmaceutical compositions for transferring therapeutically effective genes into mammalian cells.
    Type: Application
    Filed: July 6, 2004
    Publication date: December 9, 2004
    Applicant: Boehringer Ingelheim Internation GmbH
    Inventors: Ernst Wagner, Manfred Ogris, Ralf Kircheis, Sylvia Brunner
  • Publication number: 20010005717
    Abstract: Complexes of nucleic acid and polyethyleneimine (PEI), wherein PEI is modified with a hydrophilic polymer covalently coupled thereto, such as polyethyleneglycol, and processes for preparing them. A cellular ligand such as transferrin is optionally coupled to PEI. The complexes may be used for preparing pharmaceutical compositions for transferring therapeutically effective genes into mammalian cells.
    Type: Application
    Filed: April 17, 2000
    Publication date: June 28, 2001
    Inventors: ERNST WAGNER, MANFRED OGRIS, RALF KIRCHEIS, SYLVIA BRUNNER