Inventor · Marl, DE

Udo Knippenberg

8Patents
4h-index
40Co-inventors
57Inventor score

Filing activity: Jul 10, 1991 → Nov 13, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US7939597B2 Acrylic acid and water-absorbing polymer structures based on renewable raw materials and process for their production by dehydration Performing Operations; Transporting 27 Active
US8258249B2 Water-absorbing polymer structures based on renewable raw materials and process for their production by dehydration Performing Operations; Transporting 18 Active
US9221007B2 Method and device for separating acid gases from a gas mixture Emerging Cross-Sectional Technologies 10 Active
US7847133B2 Process for preparing alkali metal alkoxides Chemistry; Metallurgy 4 Active
US9011812B2 Process for preparing hydridosilanes Chemistry; Metallurgy 4 Active
US7368621B2 Method for producing 1-octene from crack-C4 Chemistry; Metallurgy 3 Expired
US5177229A Process for the preparation of esters Chemistry; Metallurgy 1 Expired
US7432407B2 Hydroisomerization of olefins comprising between 4 and 6 carbon atoms Chemistry; Metallurgy 1 Expired

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