Inventor · Monheim, DE

Thomas Markert

27Patents
2h-index
30Co-inventors
57Inventor score

Filing activity: Mar 4, 1988 → Nov 3, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6313354A Method for producing aromatic aldehydes Chemistry; Metallurgy 9 Expired
US4904640A 2-alkylidene-3,3,5(3,5,5)-trimethyl cyclopentanones Chemistry; Metallurgy 4 Expired
US5670670A Process for the production of 8 .alpha., 12-oxido-13,14,15,16-tetranorlabdane Chemistry; Metallurgy 2 Expired
US6555517B1 Methods of providing a fragrance to a composition and methods of enhancing fragrances using cyclooctadiene hydroformylation products Chemistry; Metallurgy 2 Expired
US5504066A Pentene derivatives, their production and use Chemistry; Metallurgy 2 Expired
US6376457B1 Phenoketals and the use thereof as odoriferous substances Chemistry; Metallurgy 2 Expired
US6028231A Process for preparing 2-methyl-4-(2,2,3-trimethyl-cyclopent-3-en-1-yl)-but-2-en-1-ol Chemistry; Metallurgy 2 Expired
US6541445B1 Utilization of tricyclic aldehydes as odoriferous agents Chemistry; Metallurgy 1 Expired
US6537963B1 Methods of providing a fragrance to a composition and methods of enhancing fragrances using bicyclo[3.3.0]-oct(adi)ene hydroformylation products Chemistry; Metallurgy 1 Expired
US7169749B1 Method for producing alkyl-substituted butenols Chemistry; Metallurgy 1 Expired
US6451758B1 Aldehyde mixtures, compositions containing the same and methods of providing fragrance using the same Chemistry; Metallurgy 1 Expired
US5811560A Process for the production of 8.alpha., 12-oxido-13, 14,15,16-tetranorlabdane Chemistry; Metallurgy 1 Expired
US6297390A Method for preparing optically active 5-methyl-2-(1-methyl-butyl)-5-propyl-1,3-dioxan Chemistry; Metallurgy 1 Expired
US7259135B2 Use of hexenal derivatives as perfumes Chemistry; Metallurgy 1 Expired
US6867175B2 Trimethyldecenyl compounds Chemistry; Metallurgy 1 Expired
US6933270B2 3,3-Dimethylcyclohexane derivatives Chemistry; Metallurgy 0 Expired
US7060668B2 2,3, 5, 5-tetramethylhexanal derivatives Chemistry; Metallurgy 0 Expired
US7476647B2 Ether lactone Chemistry; Metallurgy 0 Expired
US7582600B2 Use of unsaturated ketones as a perfume Chemistry; Metallurgy 0 Active
US7129205B2 Dimethylbenzene derivatives Chemistry; Metallurgy 0 Expired
US6541446B1 Methods of providing a fragrance to a composition and methods of enhancing fragrances using (di)methyl-substituted cycloot(adi)ene hydroformylation products Chemistry; Metallurgy 0 Expired
US5688976A Process for the production of 8 .alpha., 12-oxido-13,14,15,16-tetranorlabdane Chemistry; Metallurgy 0 Expired
US6864225B2 Cyclic ketals, fragrance compositions containing the same and methods of using the same Chemistry; Metallurgy 0 Expired
US7537933B2 Method for determining the enantiomer ratio trimethylcyclopentene derivatives Emerging Cross-Sectional Technologies 0 Expired
US6632787B1 Carbonyl compounds, methods of making the same, and their use as fragrances and fragrance-enhancing additives Chemistry; Metallurgy 0 Expired

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