Inventor · Krefeld, DE

Rolf Lanze

13Patents
4h-index
19Co-inventors
46Inventor score

Filing activity: Dec 7, 2000 → Dec 16, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6906227B2 Bisphenol phenol adducts Chemistry; Metallurgy 7 Expired
US6384288B1 Method for the production of bis(4-hydroxyaryl)alkanes Chemistry; Metallurgy 5 Expired
US6414198B1 Method for producing bisphenol-A Chemistry; Metallurgy 5 Expired
US6682794B1 Polycarbonate containers Emerging Cross-Sectional Technologies 5 Expired
US6395864B1 Polycarbonates with a low yellowness index Emerging Cross-Sectional Technologies 3 Expired
US6689464B1 Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method Emerging Cross-Sectional Technologies 3 Expired
US6706848B1 Method for producing polycarbonate Chemistry; Metallurgy 3 Expired
US6828465B2 Method for producing bisphenols Chemistry; Metallurgy 2 Expired
US6683223B2 Fluidised bisphenol dust Performing Operations; Transporting 1 Expired
US6695991B1 Device for exchanging a die plate of a prilling tower and method for the automatic exchange Chemistry; Metallurgy 1 Expired
US6919487B2 Bis(4-hydroxyaryl)alkanes Chemistry; Metallurgy 1 Expired
US6316678A Method for producing dis(4-hydroxyaryl) alkanes Chemistry; Metallurgy 0 Expired
US6710152B1 Solid particles Chemistry; Metallurgy 0 Expired

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