Inventor · Ottawa, ON, CA

Derek A. Pratt

6Patents
2h-index
9Co-inventors
40Inventor score

Filing activity: Jun 26, 2001 → Mar 15, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6835216B2 Chain-breaking antioxidants Chemistry; Metallurgy 5 Expired
US7547709B2 Chain-breaking antioxidants Chemistry; Metallurgy 2 Expired
US8735475B2 Inhibitor combination, resin mixture containing same and use of same Emerging Cross-Sectional Technologies 1 Active
US9738606B2 Substituted diarylamines and use of same as antioxidants Emerging Cross-Sectional Technologies 1 Active
US10323017B2 Antioxidants and methods to maximize performance Chemistry; Metallurgy 0 Active
US11512262B2 Azaphenothiazines and azaphenoxazines as antioxidants Chemistry; Metallurgy 0 Active

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