Inventor · Schifferstadt, DE

Matthias Eiermann

13Patents
3h-index
28Co-inventors
56Inventor score

Filing activity: Feb 1, 1996 → Jun 23, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6531629B1 Method of producing alkanesulfonic acid Chemistry; Metallurgy 17 Expired
US6353101B1 Method for producing lactams Chemistry; Metallurgy 4 Expired
US5866732A Preparation of alkyl bromides from aqueous hydrobromic acid and olefins Chemistry; Metallurgy 3 Expired
US6362381B1 Nitration of aromatic hydrocarbons Chemistry; Metallurgy 3 Expired
US6495714B1 Method for producing alkanesulfonic acids Electricity 3 Expired
US5994562A Preparation of N-alkenylcarboxamides Performing Operations; Transporting 3 Expired
US6207025A Preparation of methane sulfonic acid Chemistry; Metallurgy 3 Expired
US8759569B2 Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation Chemistry; Metallurgy 2 Active
US8853443B2 Process for preparing an isocyanate Chemistry; Metallurgy 1 Active
US8519179B2 Method of measuring entry of water into phosgene-conducting plants Physics 1 Active
US6407230B1 Method for producing lactams using oligophosphate catalysts Chemistry; Metallurgy 0 Expired
US6011182A Process for preparing 2-cycloalkenones Chemistry; Metallurgy 0 Expired
US5659070A Preparation of alkyl 5-oxo-6-heptenoates, and novel intermediate for the preparation thereof Chemistry; Metallurgy 0 Expired

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