Inventor · Fairfield, CT, US

Linas R. Stasaitis

15Patents
6h-index
10Co-inventors
55Inventor score

Filing activity: Oct 8, 1993 → Dec 7, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US5520707A Methods for dyeing hair with anthraquinone hair dyes having a quaternary ammonium side chain Chemistry; Metallurgy 18 Expired
US6074438A Hair dyeing compositions containing 2-chloro- and 2,6-dichloro-4-aminophenol and phenylpyrazolones Human Necessities 16 Expired
US5891200A Hair dye compositions containing anthraquinone dyes having a quaternary ammonium side chain and neutral direct dyes Chemistry; Metallurgy 14 Expired
US6342079B1 Primary intermediate for use in oxidative hair dyeing Chemistry; Metallurgy 14 Expired
US5865854A BIS-(2-4-diaminophenoxy) benzenes and their use as coupling components in oxidative hair coloring compositions and methods Chemistry; Metallurgy 11 Expired
US5980584A Substituted p-aminophenol, process of preparation and use in dyeing hair Chemistry; Metallurgy 7 Expired
US5420362A Synthesis of 2-methyl-1-naphthol Chemistry; Metallurgy 6 Expired
US5529583A Storage stable 2-methyl-1-naphthol couplers Human Necessities 5 Expired
US6045590A Storage stable 2-methyl-1-naphthol couplers Human Necessities 4 Expired
US5672180A Storage stable 2-methyl-1-naphthol couplers Human Necessities 4 Expired
US6228130A Primary intermediate in oxidative hair dyeing Chemistry; Metallurgy 2 Expired
US6200353A Coupler for use in oxidative hair dyeing Chemistry; Metallurgy 2 Expired
US5670698A Synthesis of 1-acetoxy-2-methylnaphthalene Chemistry; Metallurgy 2 Expired
US5486619A Method of producing DAI from DOPA, using one reaction vessel Chemistry; Metallurgy 1 Expired
US6540793B1 Coupler for use in oxidative hair dyeing Chemistry; Metallurgy 1 Expired

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