GD

Gary J. Drtina

3M: 13 patents #1,195 of 11,543Top 15%
Overall (All Time): #390,008 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6018009 Crosslinked isocyanate functional polymer supports Steven M. Heilmann, Louis C. Haddad, Frederick W. Hyde, Dean M. Moren, Robert A. Pranis 2000-01-25
5760152 Crosslinked isocyanate functional polymer supports Steven M. Heilmann, Louis C. Haddad, Frederick W. Hyde, Dean M. Moren, Robert A. Pranis 1998-06-02
5679779 Crosslinked isocyanate-functional polymer supports Steven M. Heilmann, Louis C. Haddad, Frederick W. Hyde, Dean M. Moren, Robert A. Pranis 1997-10-21
5614105 Cartridge filters with insoluble enzyme particulates contained thereon Steven M. Heilmann, Philip D. Eitzman, Louis C. Haddad, Frederick W. Hyde, Todd W. Johnson 1997-03-25
5478466 Cartridge filters with insoluble enzyme particulates contained thereon Steven M. Heilmann, Philip D. Eitzman, Louis C. Haddad, Frederick W. Hyde, Todd W. Johnson 1995-12-26
5468847 Method of isolating and purifying a biomacromolecule Steven M. Heilmann, Philip D. Eitzman, Louis C. Haddad, Frederick W. Hyde, Todd W. Johnson +2 more 1995-11-21
5451453 Supports having azlactone-functional surfaces, adduct supports, and methods of preparing both David R. Gagnon, Patrick L. Coleman, Oh-Seung Kwon, Christopher S. Lyons, Dean S. Milbrath +2 more 1995-09-19
5315006 Method of preparing polycyclic diamines Leif Christensen 1994-05-24
5310910 Polycyclic diamines Leif Christensen 1994-05-10
5221793 Polycyclic diamines Leif Christensen 1993-06-22
5157159 Process for hydroxyalkylation of fluorinated alcohols Eugene P. Janulis 1992-10-20
5124454 Polycyclic diamines and method of preparation Leif Christensen 1992-06-23
5061294 Abrasive article with conductive, doped, conjugated, polymer coat and method of making same Walter L. Harmer, Leif Christensen, Harvey J. Helmin 1991-10-29