Inventor · Karben, DE

Rolf Muller

31Patents
5h-index
55Co-inventors
72Inventor score

Filing activity: Aug 19, 1974 → Nov 7, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6100432A Process for recycling a liquid hydroformylation discharge Chemistry; Metallurgy 17 Expired
US5122571A Moulding compounds of polyamides and graft polymers containing tert.-butylacrylate Chemistry; Metallurgy 12 Expired
US3963694A Hydroxyquinolyl- and quinazolonylazoacetoacetylbenzimidazolone pigments Emerging Cross-Sectional Technologies 11 Expired
US5120690A Process for the utilization of used DeNOx catalysts Emerging Cross-Sectional Technologies 10 Expired
US6511583B1 Method for separating a liquid crude aldehyde mixture by distillation Emerging Cross-Sectional Technologies 7 Expired
US4301311A Process for the preparation of dicyclopentylene [2,2'-bis(4-alkyl-6-t-butylphenols)] Chemistry; Metallurgy 5 Expired
US6969777B2 Method for the hydroformylation of olefins comprising 2 to 8 carbon atoms Chemistry; Metallurgy 5 Expired
US4392999A Monoazo pigments containing hydroxynaphthoylamino benzimidazolone radical Chemistry; Metallurgy 5 Expired
US4229344A Monazo pigments containing hydroxynaphthoylaminobenzimidazalone radical Chemistry; Metallurgy 4 Expired
US5424479A Process for the preparation of aromatic methyl methoxycarboxylates Chemistry; Metallurgy 3 Expired
US6727391B2 Method for processing a liquid hydroformylation discharge Chemistry; Metallurgy 3 Expired
US4046755A Disazo pigments containing naphthalene coupling components Chemistry; Metallurgy 2 Expired
US4648994A Process for the preparation of 1-amino-2-bromo-4-hydroxyanthraquinone Chemistry; Metallurgy 2 Expired
US6914162B2 Method for producing hydroformylation products of olefins with 2 to 8 carbon atoms Chemistry; Metallurgy 2 Expired
US6822122B2 Method for the hydroformylation of olefins comprising 2 to 8 carbons atoms Chemistry; Metallurgy 2 Expired
US5414128A Process for the preparation of N-substituted nitro-p-phenylenediamines Chemistry; Metallurgy 1 Expired
US4088641A 4-Methyl-5-(benzimidazolonylazo)-6-hydroxypyridone-2 pigment Chemistry; Metallurgy 1 Expired
US4158670A Process for the manufacture of aromatic sulphonic acid esters of aromatic amino-hydroxy compounds Chemistry; Metallurgy 1 Expired
US4204056A Process and intermediates for preparing fiber-reactive phthalocyanine dyes Chemistry; Metallurgy 1 Expired
US4564682A Process for the preparation of heterocyclic phenyl ethers Chemistry; Metallurgy 1 Expired
US7208635B2 Method for the hydroformylation of olefins with 2 to 6 carbon atoms Chemistry; Metallurgy 1 Expired
US4657707A Process for the preparation of aromatic hydroxy compounds Chemistry; Metallurgy 1 Expired
US4767573A Process for the preparation of a mixture of 1-amino-2-chloro-4-hydroxyanthraquinone and 1-amino-2-bromo-4-hydroxyanthraquinone Chemistry; Metallurgy 1 Expired
US11034648B2 Cystobactamide derivatives Emerging Cross-Sectional Technologies 0 Active
US5689017A Preparation of a monolithium acetylide/ammonia complex Chemistry; Metallurgy 0 Expired

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