Inventor · Frankfurt am Main, DE

Guenter Billen

11Patents
1h-index
38Co-inventors
50Inventor score

Filing activity: Nov 7, 2006 → Oct 21, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US8232395B2 Method for producing 2-(2-aminopyrimidin-4-yl)-1H-indole-5-carboxylic acid derivatives Emerging Cross-Sectional Technologies 2 Active
US7514578B2 Method for producing enantiomeric form of 2,3-diaminopropionic acid derivatives Chemistry; Metallurgy 1 Active
US7563888B2 Process for the preparation of diphenyl azetidinone derivatives Emerging Cross-Sectional Technologies 1 Active
US7488818B2 Method for producing 1,4-diphenyl azetidinone derivatives Human Necessities 1 Active
US9067918B2 Crystalline forms of 2-(2-methylamino-pyrimidin-4-yl)-1H-indole-5-carboxylic acid [ (S)-1-carbamoyl-2-(phenyl-pyrimidin-2-yl-amino)-ethyl ]-amide Chemistry; Metallurgy 1 Active
US10696633B2 Process for the preparation of fexofenadine and of intermediates used therein Chemistry; Metallurgy 0 Active
US8053590B2 Method for producing enantiomeric form of 2,3-diaminopropionic acid derivatives Chemistry; Metallurgy 0 Active
US8461312B2 Method for the production of 1,4-benzothiepin-1,1-dioxide derivatives Chemistry; Metallurgy 0 Active
US8546567B2 Method for producing 2-(2-aminopyrimidin-4-yl)-1H-indole-5-carboxylic acid derivatives Emerging Cross-Sectional Technologies 0 Active
US8716481B2 Process for the preparation of 6-substituted-1-(2H)-isoquinolinones Chemistry; Metallurgy 0 Active
US8236810B2 Substituted 8-aminoalkylthioxanthines, and their use as inhibitors of dipeptidyl peptidase IV Chemistry; Metallurgy 0 Active

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