Patents Assigned to Lonza Group, AG
  • Production of proteins by cell culture
    Patent number: 6660501
    Abstract: A process for the production of a protein by cell culture, where the cells that produce the protein are cultured in the presence of a chemical agent that enhances the production of the protein.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: December 9, 2003
    Assignee: Lonza Group, AG
    Inventor: Raymond Paul Field
  • Animal cell culture
    Patent number: 6593140
    Abstract: An animal cell culture medium is described which contains 2-hydroxy-2,4,6-cycloheptatrien-1-one or a derivative thereof to support the growth of animal cells, particularly in agitated cell culture at low iron concentrations.
    Type: Grant
    Filed: April 7, 1995
    Date of Patent: July 15, 2003
    Assignee: Lonza Group, AG
    Inventor: Raymond Paul Field
  • Production of proteins by cell culture
    Publication number: 20020132299
    Abstract: A process for the production of a protein by cell culture, where the cells that produce the protein are cultured in the presence of a chemical agent that enhances the production of the protein.
    Type: Application
    Filed: December 21, 2001
    Publication date: September 19, 2002
    Applicant: Lonza Group, AG
    Inventor: Raymond Paul Field
  • Production of proteins by cell culture
    Patent number: 6413746
    Abstract: Methods for obtaining a protein by culture of hybridoma cells, wherein said protein is an immunoglobulin, are disclosed. The methods involve culturing animal hybridoma cells in continuous presence of an alkanoic acid or salt thereof, which enhances protein production, wherein said alkanoic acid or salt thereof is present at 2 concentration range of 0.1 mM to 200 mM.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: July 2, 2002
    Assignee: Lonza Group, AG
    Inventor: Raymond Paul Field