Inventor · disambiguated record
Peter Lappe
Also filed as: LAPPE PETER
48 granted patents·2 pending applications·524 citations·filing 1983–2004
98Inventor score
Top patents by PatentIndex Score
50 records- 0196US5347045ASulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compoundsHOECHST AG·Filed 1993·Granted Sep 13, 1994·57 cites·1 claims
- 0293US4483802AProcess for the preparation of sulfonated aryl phosphineRUHRCHEMIE AG·Filed 1983·Granted Nov 20, 1984·36 cites·11 claims
- 0385US6482972B1Isomeric nonanols and decanols, their preparation, phthalic esters obtained therefrom and their use as plasticizersHOECHST AG·Filed 1995·Granted Nov 19, 2002·45 cites·18 claims
- 0484US6800783B2Method for the synthesis of aliphatic carboxylic acids from aldehydesCELANESE CHEM EUROPE GMBH·Filed 2001·Granted Oct 5, 2004·13 cites·12 claims
- 0583US7015362B2Process for preparing TCD-dialdehydeCELANESE CHEM EUROPE GMBH·Filed 2004·Granted Mar 21, 2006·13 cites·13 claims
- 0683US5268514ADecyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizersHOECHST AG·Filed 1993·Granted Dec 7, 1993·19 cites·10 claims
- 0779US5583250AMixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizersHOECHST AG·Filed 1995·Granted Dec 10, 1996·15 cites·8 claims
- 0877US6117277AProcess for the distillation of alcoholsCELANESE CHEM EUROPE GMBH·Filed 1996·Granted Sep 12, 2000·18 cites·19 claims
- 0976US5463147ADecyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizersHOECHST AG·Filed 1994·Granted Oct 31, 1995·13 cites·8 claims
- 1074US5264600AProcess for the recovery of rhodium from residues of the distillation of products of the oxo synthesisHOECHST AG·Filed 1992·Granted Nov 23, 1993·32 cites·17 claims
- 1173US6939997B2Process for preparing TCD-alcohol DMCELANESE CHEM EUROPE GMBH·Filed 2004·Granted Sep 6, 2005·6 cites·17 claims
- 1273US5451698AProcess for the preparation of sulfonated arylphosphinesHOECHST AG·Filed 1994·Granted Sep 19, 1995·15 cites·21 claims
- 1373US5369162ADecyl alcohol mixtures, phthalic esters obtainable therefrom and their use as plasticizersHOECHST AG·Filed 1993·Granted Nov 29, 1994·11 cites·2 claims
- 1473US4710321AQuaternary ammonium salts of sulfonated triarylphosphines and process for the production thereofRUHRCHEMIE AG·Filed 1987·Granted Dec 1, 1987·10 cites·20 claims
- 1571US4950800AProcess for the preparaton of 2-methylbutanalHOECHST AG·Filed 1988·Granted Aug 21, 1990·9 cites·27 claims
- 1670US5661204AMixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizersHOECHST AG·Filed 1995·Granted Aug 26, 1997·9 cites·2 claims
- 1769US5808168AProcess for the hydroformylation of olefinically unsaturated compoundsHOECHST AG·Filed 1997·Granted Sep 15, 1998·12 cites·23 claims
- 1867US7122706B2Process for preparing TCD-monenalCELANESE CHEM EUROPE GMBH·Filed 2004·Granted Oct 17, 2006·4 cites·12 claims
- 1967US6982352B2Process for preparing N-methyldialkylamines from secondary dialkylamines and formaldehydeCELANESE CHEM EUROPE GMBH·Filed 2004·Granted Jan 3, 2006·8 cites·7 claims
- 2067US5145488AProcess for the preparation of mixtures of oil-soluble iron and magnesium salts of saturated aliphatic monocarboxylic acids and their useHOECHST AG·Filed 1990·Granted Sep 8, 1992·19 cites·16 claims
- 2166US5354911AProcess for the preparation of unsaturated ethersHOECHST AG·Filed 1994·Granted Oct 11, 1994·8 cites·17 claims
- 2265US5294415AProcess for the separation and recovery of rhodium from the products of the oxo synthesisHOECHST AG·Filed 1992·Granted Mar 15, 1994·13 cites·28 claims
- 2364US5481045ASulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compoundsHOECHST AG·Filed 1994·Granted Jan 2, 1996·17 cites·13 claims
- 2463US5756854AProcess for the hydroformylation of olefinically unsaturated compoundsHOECHST AG·Filed 1996·Granted May 26, 1998·22 cites·28 claims
- 2563US5462986ADecyl alcohol mixtures, phthalic esters obtainable therefrom and their use as placticizersHOECHST AG·Filed 1995·Granted Oct 31, 1995·8 cites·17 claims
- 2661US6051743AProcess for the preparation of predominantly unbranched higher primary alcoholsHOECHST AG·Filed 1993·Granted Apr 18, 2000·7 cites·11 claims
- 2759US5382716ADecyl alcohol mixtures, phthalic obtainable therefrom, and their use as plasticizersHOECHST AG·Filed 1993·Granted Jan 17, 1995·6 cites·11 claims
- 2859US5064508AProcess for the separation of 2-methylalkanals from isomers thereofHOECHST AG·Filed 1990·Granted Nov 12, 1991·6 cites·25 claims
- 2958US7317128B2Process for preparing TCD-diamineOXEA DEUTSCHLAND GMBH·Filed 2004·Granted Jan 8, 2008·2 cites·13 claims
- 3056US4918247AProcess for the preparation of 2,2-dimethylpropanediol-1,3RUHRCHEMIE AG·Filed 1989·Granted Apr 17, 1990·5 cites·13 claims
- 3155US5091546ANovel rhodium recoveryHOECHST AG·Filed 1990·Granted Feb 25, 1992·5 cites·14 claims
- 3255US5072037AProcess for the preparation of 2-(4-chlorophenyl)-3-methylbutyric acidHOECHST AG·Filed 1990·Granted Dec 10, 1991·5 cites·21 claims
- 3354US5072058AProcess for the preparation of 2,2-dimethylpropane-1,3-diolHOECHST AG·Filed 1990·Granted Dec 10, 1991·5 cites·20 claims
- 3450US7196128B2Carboxylic esters based on limonene alcohol [3-(4′-methylcyclohexyl)butanol] and having a low melting pointCELANESE CHEM EUROPE GMBH·Filed 2004·Granted Mar 27, 2007·1 cites·5 claims
- 3550US5516948AProcess for making a mixture of isomeric decyl alcoholsHOECHST AG·Filed 1995·Granted May 14, 1996·7 cites·7 claims
- 3650US4885383AProcess for the preparation of carboxylic acid methyl estersHOECHST AG·Filed 1988·Granted Dec 5, 1989·3 cites·13 claims
- 3749US5847200ASubstituted diphosphines and a process for their preparationHOECHST AG·Filed 1997·Granted Dec 8, 1998·4 cites·13 claims
- 3849US5367107AProcess for the preparation of aldehydesHOECHST AG·Filed 1993·Granted Nov 22, 1994·3 cites·8 claims
- 3947US5684208AProcess for preparing pentenalsHOECHST AG·Filed 1996·Granted Nov 4, 1997·3 cites·17 claims
- 4046US5085835AProcess for recovering rhodiumHOECHST AG·Filed 1991·Granted Feb 4, 1992·10 cites·69 claims
- 4146US2002133047A1Isomeric nonanols and decanols, their preparation, phthalic esters obtained therefrom, and their use as plasticizersFiled 2001·Application pending·0 cites
- 4243US5039497AProcess for separating copper from aqueous base solutionsHOECHST AG·Filed 1989·Granted Aug 13, 1991·9 cites·37 claims
- 4342US7074304B2Process for purifying alicyclic alcoholsCELANESE CHEM EUROPE GMBH·Filed 2002·Granted Jul 11, 2006·0 cites·8 claims
- 4441US2004210081A1Carboxylic esters based on 2-hydroxymethylnorbornaneFiled 2004·Application pending·0 cites
- 4540US6020532AProcess for the preparation of aldehydes employing catalyst compositions based on rhodium complexes containing diphosphine ligandsHOECHST AG·Filed 1998·Granted Feb 1, 2000·1 cites·10 claims
- 4639US5922634ACatalyst systems based on rhodium complexes containing diphosphine ligands and their use in the preparation of aldehydesHOECHST AG·Filed 1997·Granted Jul 13, 1999·5 cites·10 claims
- 4739US5151537AProcess for the recovery of rhodium from the residues of distillation processesHOECHST AG·Filed 1991·Granted Sep 29, 1992·3 cites·32 claims
- 4839US4673535AQuaternary ammonium salts of sulfonated triarylphosphines and process for the production thereofRUHRCHEMIE AG·Filed 1985·Granted Jun 16, 1987·1 cites·5 claims
- 4934US5182400AProcess for the preparation of esters of 5-alkylpyridine-2,3-dicarboxylic acidHOECHST AG·Filed 1991·Granted Jan 26, 1993·0 cites·15 claims
- 5029US5410072AMixtures of isomeric pentanoic acids, esters prepared therefrom, and their use as lubricantsHOECHST AG·Filed 1994·Granted Apr 25, 1995·1 cites·20 claims
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