Inventor · Schifferstadt, DE

Tilman Sirch

17Patents
4h-index
37Co-inventors
56Inventor score

Filing activity: Feb 7, 2000 → Mar 29, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US7301058B2 Method for increasing yield in the production of polyvalent alcohols by splitting by-products containing acetal Chemistry; Metallurgy 6 Expired
US7767865B2 Method for producing hydroxypivalaldehyde and neopentyl glycol Chemistry; Metallurgy 5 Active
US7449609B2 Method for production of 1,6-hexanediol with a purity in excess of 99.5% Chemistry; Metallurgy 4 Active
US6500371B1 Continuous method for producing amino- and/or phenoplasts Performing Operations; Transporting 4 Expired
US7241914B2 Method for producing polyesterpolyols of polyvalent alcohols Chemistry; Metallurgy 4 Expired
US7388116B2 Hydrogenation of methylolalkanals Chemistry; Metallurgy 3 Active
US8759594B2 Method for producing 1,6-hexanediol by hydrogenation of oligo- and polyesters Chemistry; Metallurgy 3 Active
US6914164B2 Method for the decomposition of ammonium formates in reaction mixtures containing polyol Chemistry; Metallurgy 2 Expired
US7112707B2 Method for the isolation of trimethylolpropane from a reaction mixture Chemistry; Metallurgy 2 Expired
US7064239B2 Preparation of 1,6-hexanediol Chemistry; Metallurgy 1 Expired
US7307194B2 Method for producing 1, 6 hexane diol Chemistry; Metallurgy 1 Expired
US8217186B2 Process for preparing epsilon-caprolactone Chemistry; Metallurgy 1 Active
US8247580B2 Process for preparing ε-caprolactone Chemistry; Metallurgy 1 Active
US8884076B2 Method for preparing polymethylols Chemistry; Metallurgy 0 Active
US8183411B2 Process for preparing 6-hydroxycaproic esters Chemistry; Metallurgy 0 Active
US8575401B2 Method for purifying crude polymethylols Chemistry; Metallurgy 0 Active
US8933277B2 Process for preparing polymethylols Chemistry; Metallurgy 0 Active

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