Inventor · Copenhagen, DK

Niels Lassen

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

Filing activity: May 30, 1974 → Dec 30, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US3966930A Phenothiazine derivatives, compositions thereof and methods of preparation thereof Emerging Cross-Sectional Technologies 18 Expired
US3996211A Alpha-isomer of 2-chloro-9-[3'-(N'-2-hydroxyethylpiperazino-N)-propylidene]-thiaxanthene , carboxylic acid esters thereof and acid addition salts of these compounds Human Necessities 14 Expired
US4042695A Thiaxanthene derivatives, compositions thereof and methods of treating therewith Chemistry; Metallurgy 14 Expired
US4038395A Compositions of and method of treating with the alpha-isomer of 2-chloro-9-[3'-(N'-2-hydroxyethylpiperazino-N)-propylidene]-thiaxanthene , carboxylic acid esters thereof and acid addition salts of these compounds Human Necessities 12 Expired
US4275209A Xanthene and thioxanthene derivatives Chemistry; Metallurgy 11 Expired
US4153694A Behenic acid esters, compositions thereof and a method of preparation thereof Human Necessities 10 Expired
US4650900A Aminoalkyl substituted urea derivatives and method of treatment Chemistry; Metallurgy 3 Expired
US4285956A Xanthene and thioxanthene derivatives, compositions thereof and treatment therewith Chemistry; Metallurgy 2 Expired
US4309429A Xanthene and thioxanthene derivatives, compositions thereof, and treatment therewith Chemistry; Metallurgy 0 Expired
US4044024A Thiaxanthene derivatives Chemistry; Metallurgy 0 Expired

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