Inventor · Pulheim, DE

Wilhelm Haas

34Patents
11h-index
34Co-inventors
71Inventor score

Filing activity: Oct 10, 1991 → Dec 12, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5631380A Herbicidal sulphonylaminocarbonyltriazolinones having two substituents bonded via oxygen Chemistry; Metallurgy 97 Expired
US5476946A 1-aryltriazolin(ethi)ones Chemistry; Metallurgy 32 Expired
US5663362A Substituted triazolinones Chemistry; Metallurgy 27 Expired
US5488028A Herbicidal sulphonylaminocarbonyltriazolinones having two substituents bonded via oxygen Chemistry; Metallurgy 26 Expired
US5300480A Herbicidal sulphonylaminocarbonyltriazolinones having two substituents bonded via oxygen Chemistry; Metallurgy 25 Expired
US5464810A Substituted triazolinones Chemistry; Metallurgy 25 Expired
US5395818A Heterocyclyltriazolinones Chemistry; Metallurgy 19 Expired
US6077813A Substituted aromatic thiocarboxylic acid amides and their use as herbicides Chemistry; Metallurgy 18 Expired
US6258957A N-aryl-1,2,4-triazolin-5-ones Chemistry; Metallurgy 18 Expired
US5554761A Herbicidal sulphonylaminocarbonyltriazolinones having two substituents bonded via oxygen Chemistry; Metallurgy 15 Expired
US6551963B1 Phenylpyridazinones Chemistry; Metallurgy 14 Expired
US5294596A Heterocyclyltriazolinones and herbicidal use Chemistry; Metallurgy 10 Expired
US5378681A Substituted triazolinones Fixed Constructions 9 Expired
US6331507A Substituted aromatic thiocarboxylic acid amides and their use as herbicides Chemistry; Metallurgy 9 Expired
US6420316B1 Substituted aromatic thiocarboxylic acid amides and their use as herbicides Chemistry; Metallurgy 7 Expired
US6451736B1 Substituted aromatic thiocarboxylic acid amides and their use as herbicides Chemistry; Metallurgy 6 Expired
US5639891A Intermediates for the preparation of triazolinones Chemistry; Metallurgy 5 Expired
US5858925A Heterocyclylbenzonitriles Chemistry; Metallurgy 4 Expired
US5166165A Fungicidal agents based on heterocyclically substituted sulphones Chemistry; Metallurgy 4 Expired
US5475115A Process for the preparation of triazolinones Chemistry; Metallurgy 3 Expired
US6100420A Heterocyclylbenzonitriles Chemistry; Metallurgy 2 Expired
US7012041B2 Phenylpyridazinones Chemistry; Metallurgy 2 Expired
US5508420A Process and intermediates for the preparation of triazolinones Chemistry; Metallurgy 2 Expired
US6841517B1 Selective herbicides on basis of N-aryl-triazoline(thi)ones Human Necessities 2 Expired
US6395683B1 Heterocyclylbenzonitriles Chemistry; Metallurgy 2 Expired

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