Inventor
WIEBUS ERNST
DE34 patents
⚠️ This page may combine multiple inventors who share the name “WIEBUS ERNST”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
15 patentsUS6482972B1Nov 19, 2002
Isomeric nonanols and decanols, their preparation, phthalic esters obtained therefrom and their use as plasticizers
HOECHST AG45 citations92
US5583250ADec 10, 1996
Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers
HOECHST AG15 citations82
US5268514ADec 7, 1993
Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers
HOECHST AG19 citations82
US6051743AApr 18, 2000
Process for the preparation of predominantly unbranched higher primary alcohols
HOECHST AG7 citations73
US5661204AAug 26, 1997
Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers
HOECHST AG9 citations73
US5516948AMay 14, 1996
Process for making a mixture of isomeric decyl alcohols
HOECHST AG7 citations73
US5463147AOct 31, 1995
Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers
HOECHST AG13 citations73
US5369162ANov 29, 1994
Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers
HOECHST AG11 citations73
US4879418ANov 7, 1989
Process for the preparation of aldehydes
HOECHST AG8 citations72
US5808168ASep 15, 1998
Process for the hydroformylation of olefinically unsaturated compounds
HOECHST AG12 citations71
US5462986AOct 31, 1995
Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as placticizers
HOECHST AG8 citations71
US5684208ANov 4, 1997
Process for preparing pentenals
HOECHST AG3 citations62
US5382716AJan 17, 1995
Decyl alcohol mixtures, phthalic obtainable therefrom, and their use as plasticizers
HOECHST AG6 citations62
US5041228AAug 20, 1991
Process for separating mixtures of substances contained in an aqueous or aqueous/organic solution
HOECHST AG5 citations60
US5410072AApr 25, 1995
Mixtures of isomeric pentanoic acids, esters prepared therefrom, and their use as lubricants
HOECHST AG1 citations49
RUHRCHEMIE AG
13 patentsUS4523036AJun 11, 1985
Process for the preparation of aldehydes
RUHRCHEMIE AG28 citations91
US4684750AAug 4, 1987
Process for the production of 2-ethyl-hexanol
RUHRCHEMIE AG37 citations90
US4795727AJan 3, 1989
Rhodium catalysts and methods of preparation and use thereof
RUHRCHEMIE AG12 citations74
US4808757AFeb 28, 1989
Process for the preparation of aldehydes
RUHRCHEMIE AG7 citations73
US4711648ADec 8, 1987
Process for purification of gases
RUHRCHEMIE AG7 citations73
US4515986AMay 7, 1985
Process for preparing 3-dimethylamino-2,2-dimethylpropanal
RUHRCHEMIE AG14 citations73
US4424383AJan 3, 1984
Process for producing ethanol and n-propanol from methanol
RUHRCHEMIE AG11 citations73
US4215073AJul 29, 1980
Process for the production of diamines
RUHRCHEMIE AG8 citations73
US4593126AJun 3, 1986
Process for preparing aldehydes
RUHRCHEMIE AG16 citations72
US4533755AAug 6, 1985
Process for the hydroformylation of olefins
RUHRCHEMIE AG7 citations72
US4355192AOct 19, 1982
Process for the production of ethanol and n-propanol from methanol
RUHRCHEMIE AG4 citations62
US4532354AJul 30, 1985
Method for purifying N,N-dimethylaminopropylamine
RUHRCHEMIE AG4 citations61
US4808758AFeb 28, 1989
Hydroformylation process
RUHRCHEMIE AG1 citations51
CELANESE CHEM EUROPE GMBH
4 patentsUS6700021B2Mar 2, 2004
Preparation of aldehydes
CELANESE CHEM EUROPE GMBH12 citations73
US6864387B2Mar 8, 2005
Process for preparing sulfonated arylphosphines
CELANESE CHEM EUROPE GMBH9 citations72
US7102034B2Sep 5, 2006
Process for preparing sulfonated arylphosphines
CELANESE CHEM EUROPE GMBH0 citations50
US6863872B2Mar 8, 2005
Method for recovering rhodium from hydroformylation products
CELANESE CHEM EUROPE GMBH0 citations47