Inventor · Racine, WI, US

J. David Campbell

9Patents
6h-index
14Co-inventors
56Inventor score

Filing activity: Oct 18, 1994 → Apr 7, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US6605681B1 Process for the continuous production of epoxylated addition polymers, and powder and liquid coating applications containing epoxylated addition polymers Chemistry; Metallurgy 20 Expired
US5986020A Process for producing hyperbranched polymers Performing Operations; Transporting 20 Expired
US5508366A Continuous production of reduced gel content hydroxylated addition polymers Chemistry; Metallurgy 13 Expired
US6388026B1 Process for the preparation of macromers Chemistry; Metallurgy 12 Expired
US6552144B1 Process for the continuous production of gel free polymers, and powder and liquid coating applications containing gel free polymers Emerging Cross-Sectional Technologies 11 Expired
US6627720B2 Hyperbranched polymers Performing Operations; Transporting 9 Expired
US8061832B2 Fast-drying, radiofrequency-activatable inkjet inks and methods and systems for their use Textiles; Paper 3 Active
US6265511A Hyperbranched polymers Performing Operations; Transporting 2 Expired
US7520600B2 Fast-drying, radiofrequency-activatable inkjet inks and methods and systems for their use Textiles; Paper 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.