Inventor · Krefeld, DE

Georg-Wilhelm Ludwig

13Patents
7h-index
19Co-inventors
59Inventor score

Filing activity: Jun 8, 1990 → Aug 6, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US5200421A Microbicidal active compound combinations Human Necessities 29 Expired
US5244893A Benzothiophene-2-carboxamide S,S-dioxides and use Human Necessities 25 Expired
US5175176A 1-[pyri(mi)dyl-(2)]-hydroxy-pyrazole microbicides Chemistry; Metallurgy 18 Expired
US5332765A Microbicidal agents Human Necessities 16 Expired
US5385926A Microbicidal active compound combinations Human Necessities 15 Expired
US5292744A 1-[pyri(mi)dyl-(2)]-5-hydroxy-pyrazole microbicides Chemistry; Metallurgy 12 Expired
US5326777A Microbicidal combinations of active compounds Human Necessities 8 Expired
US6372771B1 Water-based, solvent- and emulsifier-free microbicidal active compound combination Human Necessities 6 Expired
US5990143A Water-based, solvent- and emulsifier-free microbicidal active compound combination Human Necessities 3 Expired
US5354777A Cyanoalkene derivatives, process for their preparation, and their use as microbicide for the protection of materials Chemistry; Metallurgy 2 Expired
US5096912A Microbicidal hydroxyethyl-cyclopropyl-azolyl derivatives Chemistry; Metallurgy 1 Expired
US5502069A 1-thiocarbamoyl-5-hydroxy-pyrazoles as microbicides Chemistry; Metallurgy 1 Expired
US5216180A Microbicidal hydroxyethyl-cyclopropyl-azolyl derivatives Chemistry; Metallurgy 0 Expired

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