Inventor · Oberhausen, DE

Ernst Wiebus

34Patents
9h-index
54Co-inventors
78Inventor score

Filing activity: May 30, 1979 → Dec 8, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6482972B1 Isomeric nonanols and decanols, their preparation, phthalic esters obtained therefrom and their use as plasticizers Chemistry; Metallurgy 32 Expired
US4684750A Process for the production of 2-ethyl-hexanol Chemistry; Metallurgy 20 Expired
US4523036A Process for the preparation of aldehydes Chemistry; Metallurgy 19 Expired
US4593126A Process for preparing aldehydes Chemistry; Metallurgy 14 Expired
US5268514A Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers Chemistry; Metallurgy 13 Expired
US4424383A Process for producing ethanol and n-propanol from methanol Performing Operations; Transporting 9 Expired
US5583250A Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers Chemistry; Metallurgy 9 Expired
US5369162A Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers Chemistry; Metallurgy 9 Expired
US5463147A Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers Chemistry; Metallurgy 9 Expired
US4795727A Rhodium catalysts and methods of preparation and use thereof Chemistry; Metallurgy 8 Expired
US4515986A Process for preparing 3-dimethylamino-2,2-dimethylpropanal Chemistry; Metallurgy 7 Expired
US5462986A Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as placticizers Chemistry; Metallurgy 6 Expired
US4808757A Process for the preparation of aldehydes Chemistry; Metallurgy 6 Expired
US5041228A Process for separating mixtures of substances contained in an aqueous or aqueous/organic solution Emerging Cross-Sectional Technologies 5 Expired
US5661204A Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers Chemistry; Metallurgy 5 Expired
US6610881B1 Method for producing sulfonated aryl phosphines Performing Operations; Transporting 5 Expired
US6864387B2 Process for preparing sulfonated arylphosphines Performing Operations; Transporting 5 Expired
US5382716A Decyl alcohol mixtures, phthalic obtainable therefrom, and their use as plasticizers Chemistry; Metallurgy 5 Expired
US4711648A Process for purification of gases Chemistry; Metallurgy 4 Expired
US5516948A Process for making a mixture of isomeric decyl alcohols Chemistry; Metallurgy 4 Expired
US4215073A Process for the production of diamines Chemistry; Metallurgy 4 Expired
US4879418A Process for the preparation of aldehydes Chemistry; Metallurgy 4 Expired
US4533755A Process for the hydroformylation of olefins Chemistry; Metallurgy 4 Expired
US6700021B2 Preparation of aldehydes Performing Operations; Transporting 4 Expired
US5808168A Process for the hydroformylation of olefinically unsaturated compounds Chemistry; Metallurgy 3 Expired

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