Inventor · Alzenau, DE

Martin Koerfer

21Patents
2h-index
47Co-inventors
49Inventor score

Filing activity: Nov 4, 2011 → Jul 24, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US8546601B2 Storage-stable 2-hydroxy-4-(methylthio)butyronitrile Chemistry; Metallurgy 3 Active
US9023284B2 Method of production of a methionine salt Emerging Cross-Sectional Technologies 3 Active
US9133113B2 Method for the production of 2-hydroxy-4-(methylthio)butyronitrile from 3-(methylthio)propanal and hydrogen cyanide Chemistry; Metallurgy 2 Active
US9156782B2 Process for the preparation of methionine Emerging Cross-Sectional Technologies 2 Active
US8624066B2 Process for preparing methylmercaptopropionaldehyde Chemistry; Metallurgy 2 Active
US9403764B2 Method of production of a methionine salt Emerging Cross-Sectional Technologies 2 Active
US8729288B2 Method for the production of 2-hydroxy-4-(methylthio)butyronitrile from 3-(methylthio)propanal and hydrogen cyanide Chemistry; Metallurgy 2 Active
US9029597B2 Method for the conversion of methylmercaptopropionaldehyde formed from crude acrolein and crude methyl mercaptan Emerging Cross-Sectional Technologies 2 Active
US9421511B2 Reactor and process for preparing hydrogen sulphide Performing Operations; Transporting 1 Active
US9630843B2 Reactor and process for preparing hydrogen sulphide Performing Operations; Transporting 1 Active
US8877981B2 Integrated process for preparing acrolein and 3-methylmercaptopropionaldehyde Emerging Cross-Sectional Technologies 1 Active
US9440208B2 Reactor and process for preparing hydrogen sulphide Performing Operations; Transporting 1 Active
US8759592B2 Process for preparing methylmercaptopropionaldehyde Chemistry; Metallurgy 1 Active
US9206121B2 Method for the production of D,L-methionine Chemistry; Metallurgy 1 Active
US11014878B2 Method for preparing 3-methylthiopropionaldehyde Chemistry; Metallurgy 0 Active
US9464045B2 Process for the preparation of methionine Emerging Cross-Sectional Technologies 0 Active
US10556850B1 Process for the purification of acrolein Chemistry; Metallurgy 0 Active
US8906407B2 Protected active compound formulations of amino acids and process for their preparation Human Necessities 0 Active
US11180426B2 Dipeptide-containing granular material Chemistry; Metallurgy 0 Active
US9617209B2 Process for obtaining methionine Chemistry; Metallurgy 0 Active
US9649615B2 Reactor and process for preparing hydrogen sulphide Performing Operations; Transporting 0 Active

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