Inventor · Heddesheim, DE

Ursula Rief

9Patents
6h-index
19Co-inventors
49Inventor score

Filing activity: Aug 13, 1999 → Jun 11, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6437161B1 Monocyclopentadienyl complexes of chromium, molybdenum or tungsten Emerging Cross-Sectional Technologies 30 Expired
US6699948B2 Monocyclopentadienyl complexes of chromium, molybdenum or tungsten Emerging Cross-Sectional Technologies 15 Expired
US6838563B2 Monocyclopentadienyl complexes of chromium, molybdenum or tungsten Emerging Cross-Sectional Technologies 15 Expired
US6787498B2 Monocyclopentadienyl complexes of chromium, molybdenum or tungsten Emerging Cross-Sectional Technologies 12 Expired
US6919412B1 Monocyclopentadienyl complexes of chromium, molybdenum or tungsten with a donor bridge Emerging Cross-Sectional Technologies 12 Expired
US6433111B1 Method for producing a supported catalyst system Emerging Cross-Sectional Technologies 7 Expired
US6683018B1 Method for producing a supported catalyst system Chemistry; Metallurgy 6 Expired
US6444766B1 Method for producing carrier-borne catalysts Emerging Cross-Sectional Technologies 1 Expired
US7049264B1 Supported catalyst for olefin polymerization Chemistry; Metallurgy 0 Expired

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