Inventor · Cologne, DE

Bernd Lehmann

8Patents
4h-index
14Co-inventors
54Inventor score

Filing activity: Jul 1, 1977 → May 4, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US4165211A Apparatus for applying a layer of a liquid foamable reaction mixture to a continuously moving support Emerging Cross-Sectional Technologies 11 Expired
US4436910A Process for the production of aqueous solutions of sodium salts of .alpha.- a Chemistry; Metallurgy 11 Expired
US4482760A Process for the production of 1,2-diols Chemistry; Metallurgy 7 Expired
US4216181A Process for applying a layer of a liquid foamable reaction mixture to a continuously moving shaping support Emerging Cross-Sectional Technologies 5 Expired
US4339591A Process for the production of caboxylic acid cyanides Chemistry; Metallurgy 1 Expired
US4486600A Process for the production of .beta.-hydroxy-.alpha.-aminocarboxylic acids Chemistry; Metallurgy 1 Expired
US7267776B2 Foams for removing pollutants and/or heavy metals from flowable media Emerging Cross-Sectional Technologies 1 Expired
US4751298A Production of 1-(3-hydroxy-propyl)-1,4-diazepane and 1,4-bis(3,4,5-trimethoxy-benzoyloxy)-propyl-diazepane derivatives thereof Chemistry; Metallurgy 1 Expired

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