P

Inventor

LAPPE PETER

DE48 patents
⚠️ This page may combine multiple inventors who share the name “LAPPE PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOECHST AG

35 patents
US5347045ASep 13, 1994

Sulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds

HOECHST AG57 citations96
US6482972B1Nov 19, 2002

Isomeric nonanols and decanols, their preparation, phthalic esters obtained therefrom and their use as plasticizers

HOECHST AG45 citations92
US5264600ANov 23, 1993

Process for the recovery of rhodium from residues of the distillation of products of the oxo synthesis

HOECHST AG32 citations92
US5756854AMay 26, 1998

Process for the hydroformylation of olefinically unsaturated compounds

HOECHST AG22 citations88
US5583250ADec 10, 1996

Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers

HOECHST AG15 citations82
US5481045AJan 2, 1996

Sulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds

HOECHST AG17 citations82
US5268514ADec 7, 1993

Decyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizers

HOECHST AG19 citations82
US5145488ASep 8, 1992

Process for the preparation of mixtures of oil-soluble iron and magnesium salts of saturated aliphatic monocarboxylic acids and their use

HOECHST AG19 citations80
US5354911AOct 11, 1994

Process for the preparation of unsaturated ethers

HOECHST AG8 citations74
US4950800AAug 21, 1990

Process for the preparaton of 2-methylbutanal

HOECHST AG9 citations74
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
US5085835AFeb 4, 1992

Process for recovering rhodium

HOECHST AG10 citations73
US5451698ASep 19, 1995

Process for the preparation of sulfonated arylphosphines

HOECHST AG15 citations72
US5294415AMar 15, 1994

Process for the separation and recovery of rhodium from the products of the oxo synthesis

HOECHST AG13 citations72
US5039497AAug 13, 1991

Process for separating copper from aqueous base solutions

HOECHST AG9 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
US5922634AJul 13, 1999

Catalyst systems based on rhodium complexes containing diphosphine ligands and their use in the preparation of aldehydes

HOECHST AG5 citations63
US5847200ADec 8, 1998

Substituted diphosphines and a process for their preparation

HOECHST AG4 citations63
US5367107ANov 22, 1994

Process for the preparation of aldehydes

HOECHST AG3 citations63
US5151537ASep 29, 1992

Process for the recovery of rhodium from the residues of distillation processes

HOECHST AG3 citations63
US5091546AFeb 25, 1992

Novel rhodium recovery

HOECHST AG5 citations63
US5072037ADec 10, 1991

Process for the preparation of 2-(4-chlorophenyl)-3-methylbutyric acid

HOECHST AG5 citations63
US5064508ANov 12, 1991

Process for the separation of 2-methylalkanals from isomers thereof

HOECHST AG6 citations63
US4885383ADec 5, 1989

Process for the preparation of carboxylic acid methyl esters

HOECHST AG3 citations63
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
US5072058ADec 10, 1991

Process for the preparation of 2,2-dimethylpropane-1,3-diol

HOECHST AG5 citations61
US6020532AFeb 1, 2000

Process for the preparation of aldehydes employing catalyst compositions based on rhodium complexes containing diphosphine ligands

HOECHST AG1 citations52
US5182400AJan 26, 1993

Process for the preparation of esters of 5-alkylpyridine-2,3-dicarboxylic acid

HOECHST AG0 citations52
US5410072AApr 25, 1995

Mixtures of isomeric pentanoic acids, esters prepared therefrom, and their use as lubricants

HOECHST AG1 citations49

CELANESE CHEM EUROPE GMBH

8 patents

RUHRCHEMIE AG

4 patents

OXEA DEUTSCHLAND GMBH

1 patent