Inventor · Cologne, DE

Helmut Kraus

66Patents
4h-index
76Co-inventors
69Inventor score

Filing activity: Oct 17, 1977 → Mar 22, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5552130A Process for the continuous preparation of nitrosyl chloride Chemistry; Metallurgy 34 Expired
US4636547A Sinterable, finely particular molding composition based on vinyl chloride polymers Emerging Cross-Sectional Technologies 7 Expired
US5082976A Process for the preparation of benzaldehydes Chemistry; Metallurgy 6 Expired
US9131695B2 Herbicidal isoxazolo[5,4-B]pyridines Chemistry; Metallurgy 5 Active
US4323661A Sinterable, finely divided vinyl chloride molding composition and a process for its manufacture and use Emerging Cross-Sectional Technologies 4 Expired
US4137381A Finely distributed polyvinyl chloride molding compositions capable of being sintered Emerging Cross-Sectional Technologies 4 Expired
US5401869A Process for the preparation of aminomethylene compounds Chemistry; Metallurgy 4 Expired
US5434267A Process for the preparation of substituted 3-alkoxyacrylates Chemistry; Metallurgy 3 Expired
US10897898B2 Herbicidal composition comprising cinmethylin and acetochlor or pretilachlor Human Necessities 2 Active
US5478944A Process for the preparation of 2-amino-5-aminomethyl-pyridine Chemistry; Metallurgy 2 Expired
US5580983A Process for the preparation of N-acylated 2-chloro-5-aminomethylpyridines Chemistry; Metallurgy 2 Expired
US10266468B2 Process for preparing a mixture of terpene alcohols Chemistry; Metallurgy 2 Active
US4286078A Process for the continuous manufacture of vinyl chloride polymers Emerging Cross-Sectional Technologies 2 Expired
US4546135A Sinterable, finely divided molded material based on polyvinyl chloride Chemistry; Metallurgy 2 Expired
US5095133A Process for the preparation of aminomethylene compounds Chemistry; Metallurgy 2 Expired
US5883258A Process for preparing 3-chlorobenzisothiazoles Chemistry; Metallurgy 2 Expired
US5241099A Process for the preparation of aminomethylene compounds Chemistry; Metallurgy 1 Expired
US5420284A Process for the preparation of 2-substituted 5-alkyl-pyridines Chemistry; Metallurgy 1 Expired
US5480995A Process for the preparation of 6-amino-nicotinonitriles Chemistry; Metallurgy 1 Expired
US8877683B2 Substituted pyridines having herbicidal activity Chemistry; Metallurgy 1 Active
US10619138B2 Herbicide-resistant hydroxyphenylpyruvate dioxygenases Chemistry; Metallurgy 1 Active
US10023590B2 Substituted pyridine compounds having herbicidal activity Human Necessities 1 Active
US9609870B2 Herbicidal isoxazolo[5,4-b]pyridines Chemistry; Metallurgy 1 Active
US5459273A Process for the preparation of 2-halogeno-5-cyano pyridines Chemistry; Metallurgy 1 Expired
US5446192A Process for the preparation of .beta.- aminoacrylic acid esters Chemistry; Metallurgy 1 Expired

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