Inventor · Rheinfelden (Baden), DE

Norbert Wiegand

3Patents
3h-index
2Co-inventors
33Inventor score

Filing activity: Aug 3, 1990 → May 19, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US5334778A Process for the production of 1,3-propanediol Chemistry; Metallurgy 66 Expired
US5015789A Method of preparing 1,3-propanediol Chemistry; Metallurgy 63 Expired
US5171898A Method for the production of 1,3-propandiol Chemistry; Metallurgy 23 Expired

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