Inventor · Winterthur, CH

Georg Frater

65Patents
9h-index
45Co-inventors
78Inventor score

Filing activity: Aug 29, 1975 → Jun 28, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6306818A Fragrance precursors Human Necessities 35 Expired
US6348618B1 Beta-ketoester compounds Chemistry; Metallurgy 17 Expired
US6096918A Aryl-acrylic acid esters Human Necessities 16 Expired
US6222062A Beta-ketoester compounds Chemistry; Metallurgy 15 Expired
US6479682B1 Compounds having protected hydroxy groups Human Necessities 14 Expired
US5403944A Organosilicon compounds Human Necessities 13 Expired
US6326349A Methylcyclotetradec-5-en-1-ones Chemistry; Metallurgy 11 Expired
US6437150B1 Compounds having protected hydroxy groups Human Necessities 11 Expired
US5707961A Odorant compounds and compositions Chemistry; Metallurgy 10 Expired
US6114300A Spirocyclic compounds Chemistry; Metallurgy 9 Expired
US4556413A Certain aryloxy-benzoyl sulfoximines having herbicidal activity Chemistry; Metallurgy 7 Expired
US5929291A Odorants Chemistry; Metallurgy 6 Expired
US6255276A Odorant compositions containing macrocycles and processes for manufacturing the same Chemistry; Metallurgy 6 Expired
US6521797B1 Oxime carboxylic acid derivative precursors Chemistry; Metallurgy 5 Expired
US9388097B2 Methods for treating substrates prior to metathesis reactions, and methods for metathesizing substrates Emerging Cross-Sectional Technologies 5 Active
US4329488A Propionic acid esters and herbicidal use thereof Human Necessities 4 Expired
US4067910A Process for making allylmercaptan Chemistry; Metallurgy 4 Expired
US5077422A Organosilicon compounds their preparation and use Human Necessities 4 Expired
US5925339A Fragrance precursor compounds for preventing human malodor Emerging Cross-Sectional Technologies 4 Expired
US9919299B2 Metathesis catalysts and reactions using the catalysts Chemistry; Metallurgy 4 Active
US6207857A Precursor compounds Human Necessities 4 Expired
US6844470B2 Process for the purification of 1,3-diketones Chemistry; Metallurgy 3 Expired
US4687849A [(Isopropylideneamino)oxy]-eth yl-2-[[6-chloroquinoxalinyl)oxy]phenoxy]propionate postemergent herbicide Chemistry; Metallurgy 3 Expired
US4992261A Organosilicon compounds their preparation and use Human Necessities 3 Expired
US6262287A Fragrance precursor compounds Human Necessities 3 Expired

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