Inventor · Haltern, DE

Thomas Schiffer

14Patents
7h-index
38Co-inventors
58Inventor score

Filing activity: Jan 27, 2000 → Jul 15, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US7148286B2 Laser-sintering powder containing titanium dioxide particles, process for its preparation, and moldings produced therefrom Chemistry; Metallurgy 60 Expired
US6852893B2 Method for oxidizing hydrocarbons Chemistry; Metallurgy 37 Expired
US7211615B2 Polyamide powder with long-lasting, consistently good flowability Chemistry; Metallurgy 33 Expired
US6639108B2 Ammoximation of ketones and work-up by pervaporation/vapor permeation Chemistry; Metallurgy 26 Expired
US6620970B2 Work-up of the ammoximation products of ketones by liquid-liquid extraction in a ternary solvent system Chemistry; Metallurgy 23 Expired
US6610864B2 Process for the epoxidation of CIS double bonds Performing Operations; Transporting 11 Expired
US6462235B1 Process for production of oximes cocatalyzed by ammonium salts or substituted ammonium salts Chemistry; Metallurgy 8 Expired
US6664423B2 Two-phase ammoximation Chemistry; Metallurgy 7 Expired
US6403851B1 Process for preparing cyclododecatrienes with recycling of the catalyst Emerging Cross-Sectional Technologies 7 Expired
US6407304B2 Process for the isolation of high boilers from the cyclooligomerization of 1,3-butadiene Chemistry; Metallurgy 7 Expired
US6566555B2 Process for preparing oximes Chemistry; Metallurgy 5 Expired
US8293279B2 pH-regulated polyamide powder for cosmetic applications Chemistry; Metallurgy 5 Active
US6444855B1 Process for preparing cyclic alcohols and ketones Chemistry; Metallurgy 5 Expired
US7790224B2 Method for sinter coating Performing Operations; Transporting 0 Expired

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