Inventor · Schifferstadt, DE

Ursula Siebenhaar

2Patents
2h-index
5Co-inventors
33Inventor score

Filing activity: May 13, 1996 → Jun 27, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US7291759B2 Oligomerization of alkenes in a plurality of successive heterogeneous catalyst zones Chemistry; Metallurgy 14 Expired
US5728317A Polyisocyanate compositions having a long shelf life and obtainable by phosgene-free methods, their preparation and their use Chemistry; Metallurgy 7 Expired

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