Inventor · Ludwigshafen, DE

Willi Schmidt

9Patents
5h-index
26Co-inventors
63Inventor score

Filing activity: Jan 29, 1987 → Oct 18, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6821396B2 Process for fractionating water-containing crude amine mixtures from amine synthesis Emerging Cross-Sectional Technologies 18 Expired
US6986833B2 Process for fractionating water-containing crude amine mixtures from amine synthesis Emerging Cross-Sectional Technologies 16 Expired
US4814505A Purification of n-vinylformamide Chemistry; Metallurgy 13 Expired
US6072076A Continuous preparation of alkyl esters of (meth)acrylic acid Chemistry; Metallurgy 11 Expired
US5883288A Continuous preparation of alkyl esters of (meth)acrylic acid Chemistry; Metallurgy 8 Expired
US6913674B2 Process for fractionating water-containing crude amine mixtures from amine synthesis Emerging Cross-Sectional Technologies 4 Expired
US8674140B2 Devices and method for continuous distillative separation of a mixture containing one or more alkanolamine(s) Emerging Cross-Sectional Technologies 1 Active
US9345988B2 Devices and method for continuous distillative separation of a mixture containing one or more alkanolamine(s) Emerging Cross-Sectional Technologies 0 Active
US6353118B1 Dewatering and purification of crude pyrrolidine Chemistry; Metallurgy 0 Expired

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