Louis L. Wood - Rockville MD Frank J. Hartdegen - Columbia MD Peter A. Hahn - Columbia MD
Assignee:
W. R. Grace & Co. - New York NY
International Classification:
C12N 1108 C12N 1104
US Classification:
435182
Abstract:
To chemically bind either impure or purified enzymes to polyurethane to produce insolubilized bound enzymes which are still enzymically active and which may be more stable than the original enzyme, and which can be reused without appreciable activity loss and whose physical characteristics can be varied depending on the application for which they are intended.
Preparation And Use Of Enzymes Bound To Polyurethane
Louis L. Wood - Rockville MD Frank J. Hartdegen - Columbia MD Peter A. Hahn - Columbia MD
Assignee:
W. R. Grace & Co. - New York NY
International Classification:
C07G 702
US Classification:
435182
Abstract:
To chemically bind either impure or purified enzymes to polyurethane to produce insolubilized bound enzymes which are still enzymically active and which may be more stable than the original enzyme, and which can be reused without appreciable activity loss and whose physical characteristics can be varied depending on the application for which they are intended.
Ammonium And Potassium Isobutyrates As Pathogen Growth Inhibitors And Growth Stimulators
Paul D. Lepore - Glenelg MD Peter A. Hahn - Ellicott City MD
Assignee:
W. R. Grace & Co. - New York NY
International Classification:
A01K 3119
US Classification:
424317
Abstract:
This invention is the use of ammonium and potassium isobutyrates as a means for inhibiting the growth of plant and animal pathogenic and non-pathogenic organisms. Another effect of this invention is the improvement in the rate of weight gain in animals which have been treated with these isobutyrates.
Dr. Hahn graduated from the Michigan State University College of Human Medicine in 1997. He works in Hillsboro, OR and specializes in Pulmonary Disease and Sleep Medicine. Dr. Hahn is affiliated with Tuality Community Hospital.
Sep 1996 to 2000 Property ManagerCovenant Fellowship Church
Aug 1998 to Jul 2004 Network Administration Instructor and Network AdministratorCovenant Fellowship Church Washington, DC Aug 2002 to May 2003 Adjunct ProfessorCovenant Fellowship Church Fairfax, VA Sep 1996 to Aug 1998 Software Engineer
Education:
University of Virginia Charlottesville, VA 1996 Master of Science in Management of Information SystemsUniversity of Virginia Charlottesville, VA 1994 Bachelor of Arts in Psychology