Inventor · Verona, WI, US

Herbert E. Paaren

15Patents

8h-index

14Co-inventors

69Inventor score

Filing activity: Jun 12, 1978 → Aug 30, 2007

Most-cited inventions

Patent	Title	Area	Cited by	Status
US4195027A	Process for preparing 1.alpha.-hydroxylated compounds	Chemistry; Metallurgy	42	Expired
US4260549A	Process for preparing 1.alpha.-hydroxylated compounds	Chemistry; Metallurgy	33	Expired
US4338250A	1-Hydroxylation process	Chemistry; Metallurgy	31	Expired
US4202829A	Process for preparing 1.alpha.-hydroxylated compounds	Chemistry; Metallurgy	31	Expired
US4234495A	Process for preparing 1.alpha.-hydroxyvitamin D compounds from 1.alpha.-hydroxy-3,5-cyclovitamin D compounds	Chemistry; Metallurgy	18	Expired
US5936105A	14-EPI-19-nor-vitamin D compounds and methods	Chemistry; Metallurgy	13	Expired
US7790040B2	Continuous isocratic affinity chromatography	Emerging Cross-Sectional Technologies	13	Active
US4297289A	Vitamin D compounds isotopically substituted at carbon 6 and process for their preparation	Chemistry; Metallurgy	11	Expired
US6448419B1	Synthesis of 2-hydroxyestradiol derivatives	Emerging Cross-Sectional Technologies	8	Expired
US4448726A	Ring A- and triene-modified vitamin D compounds	Chemistry; Metallurgy	7	Expired
US4307231A	Vitamin D-lactone derivative and process for preparing same	Chemistry; Metallurgy	6	Expired
US4336193A	Process for preparing vitamin D-lactones	Chemistry; Metallurgy	6	Expired
US4265822A	Process for preparing 1-hydroxylated vitamin D compounds from 5,6-trans-vitamin D compounds	Chemistry; Metallurgy	4	Expired
US4313942A	Activated vitamin D rodenticides	Human Necessities	1	Expired
US6080879A	Hexafluoro-vitamin synthesis and crystallization method, solvent and product	Chemistry; Metallurgy	0	Expired

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