Patents by Inventor Gerald Wayne Klein

Gerald Wayne Klein 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).

  • Purification of microbial enzyme extracts using synthetic polyelectrolytes
    Patent number: 4055469
    Abstract: Nucleic acids and unwanted proteins are removed from microbial enzyme extracts by precipitation with water-soluble, cationic polymers comprised of monomers having the structure ##STR1## wherein R.sub.1 is a hydrogen atom, a lower alkyl group, or the equivalent and R.sub.2 is a nitrogen containing group capable of carrying a positive electrical charge when the polymer is dissolved in an aqueous solution.
    Type: Grant
    Filed: December 10, 1976
    Date of Patent: October 25, 1977
    Assignee: Eastman Kodak Company
    Inventors: Roy Eugene Snoke, Gerald Wayne Klein