Patents by Inventor Sten Stahl

Sten Stahl 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).

  • Methods for production of hyaluronic acid and isolated strains of supercapsulated streptococci
    Publication number: 20030134393
    Abstract: Isolated strains of supercapsulated streptococci bend at a density of no greater than 1.03 g/cm3 in a Percoll gradient and are capable of producing hyaluronic acid with molecular weight exceeding 6 million Da. Methods of producing high molecular weight hyaluronic acid employ a supercapsulated strain of streptococcus which bands at a density of no greater than 1.03 g/cm3 in a Percoll gradient. Methods of selecting streptococcus strains capable of producing hyaluronic acid with a molecular weight exceeding 6 million Da comprise, inter alia, cultivating supercapsulated strains of streptococci which band at a density of no greater than 1.03 g/cm3 in a Percoll gradient.
    Type: Application
    Filed: January 29, 2003
    Publication date: July 17, 2003
    Inventor: Sten Stahl