DH

Dean R. Hellwig

JP Johnson Polymer: 2 patents #4 of 35Top 15%
SM S. C. Johnson Commercial Markets: 2 patents #21 of 88Top 25%
Overall (All Time): #1,261,340 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6858678 Continuous bulk polymerization and esterification process and compositions including the polymeric product Kevin M. Andrist, John E. Blasko, Glenn C. Calhoun, Frederick C. Hansen, Kurt A. Hessenius +9 more 2005-02-22
6689853 Process for producing polymers by free radical polymerization and condensation reaction, and products related thereto John David CAMPBELL, Jon A. Debling, Douglas J. DeYoung, Ioannis Giannakitsas, David D. Schatz +2 more 2004-02-10
6355727 Continuous bulk polymerization and esterification process Kevin M. Andrist, John E. Blasko, Glenn C. Calhoun, Frederick C. Hansen, Kurt A. Hessenius +9 more 2002-03-12
6346590 Process for producing polymers by free radical polymerization and condensation reaction, and apparatus and products related thereto John David CAMPBELL, Jon A. Debling, Douglas J. DeYoung, Ioannis Giannakitsas, David D. Schatz +2 more 2002-02-12