DW

David R. Witzke

CI Cargill, Incorporated: 13 patents #31 of 917Top 4%
📍 Minneapolis, MN: #424 of 6,114 inventorsTop 7%
🗺 Minnesota: #5,333 of 52,454 inventorsTop 15%
Overall (All Time): #355,957 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7144977 Lactic acid processing; methods; arrangements; and, products Aharon Eyal, John N. Starr, Rod Fisher, Betty Hazan, Riki Canari +3 more 2006-12-05
6667417 Process for the recovery of lactic acid Aharon Eyal, Rod Fisher 2003-12-23
6534679 Lactic acid processing; methods; arrangements; and, products Aharon Eyal, John N. Starr, Rod Fisher, Betty Hazan, Riki Canari +2 more 2003-03-18
6495631 Impact modified melt-stable lactide polymer compositions and processes for manufacture thereof Jed Richard Randall, Christopher M. Ryan, James Lunt, Mark Henry Hartman, Eric Stanley Hall +1 more 2002-12-17
6353086 Lactic acid residue containing polymer composition and product having improved stability, and method for preparation and use thereof Jeffrey John Kolstad, Mark Hartmann, Eric Stanley Hall, James Nangeroni 2002-03-05
6320077 Lactic acid processing; methods; arrangements; and, product Aharon Eyal, John N. Starr, Rod Fisher, Betty Hazan, Riki Canari +2 more 2001-11-20
6291597 Viscosity-modified lactide polymer composition and process for manufacture thereof Patrick R. Gruber, Jeffrey John Kolstad, Mark Hartmann, Andrea L. Brosch 2001-09-18
6229046 Lactic acid processing methods arrangements and products Aharon Eyal, John N. Starr, Rod Fisher, Betty Hazan, Riki Canari +2 more 2001-05-08
6160173 Process for the recovery of lactic acid esters and amides from aqueous solutions of lactic acid and/or salts thereof Aharon Eyal, Patrick R. Gruber, Paul McWilliams 2000-12-12
6114495 Lactic acid residue containing polymer composition and product having improved stability, and method for preparation and use thereof Jeffrey John Kolstad, Mark Hartmann, Eric Stanley Hall, James Nangeroni 2000-09-05
5998552 Viscosity-modified lactide polymer composition and process for manufacture thereof Patrick R. Gruber, Jeffrey John Kolstad, Mark Hartmann, Andrea L. Brosch 1999-12-07
5922832 Impact modified melt-stable lactide polymer compositions and processes for manufacture thereof Jed Richard Randall, Christopher M. Ryan, James Lunt, Mark Henry Hartman, Eric Stanley Hall +1 more 1999-07-13
5798435 Viscosity-modified lactide polymer composition and process for manufacture thereof Patrick R. Gruber, Jeffrey John Kolstad, Mark Hartmann, Andrea L. Brosch 1998-08-25
5594095 Viscosity-modified lactide polymer composition and process for manufacture thereof Patrick R. Gruber, Jeffrey John Kolstad, Mark Hartmann, Andrea L. Brosch 1997-01-14