Inventor
KELLER REINHOLD
DE32 patents
⚠️ This page may combine multiple inventors who share the name “KELLER REINHOLD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
20 patentsUS4623723ANov 18, 1986
Process for separating ribonucleic acids from a solution containing deoxyribonucleic acids
HOECHST AG41 citations92
US4963492AOct 16, 1990
Method for the enzymatic racemate resolution of racemic alcohols with/in vinyl esters by transesterification
HOECHST AG43 citations91
US4649111AMar 10, 1987
Process for the preparation of 5'-ribonucleotides
HOECHST AG20 citations82
US4859590AAug 22, 1989
Enzymatic synthesis of cyclodextrins using α-glucosyl fluoride as substrate for cyclodextrin α(1→4)glucosyltransferase
HOECHST AG21 citations80
US4603111AJul 29, 1986
Preparation of biocatalysts in bead form
HOECHST AG7 citations74
US5756800AMay 26, 1998
Process for the enzymatic resolution of 2-amino-4-methyl-phosphinobutyric acid derivatives
HOECHST AG5 citations73
US5010012AApr 23, 1991
Process for the enzymatic preparation of optically active phosphorus containing functional acetic acid derivatives
HOECHST AG6 citations73
US5068186ANov 26, 1991
Process for the enzymatic preparation of disaccharide fluorides using α-glycosyl fluorides as substrates
HOECHST AG8 citations72
US4900863AFeb 13, 1990
Process for the purification of N-acylaspartame
HOECHST AG3 citations63
US4709075ANov 24, 1987
Preparation of alkyl N-maleylphenylalanate
HOECHST AG2 citations63
US5879930AMar 9, 1999
Process for the enzymatic resolution of 2-amino-4-methyl-phosphinobutyric acid derivatives
HOECHST AG2 citations62
US5756346AMay 26, 1998
Process for the enzymatic resolution of 2-amino-4-methyl-phosphinobutyric acid derivatives
HOECHST AG4 citations62
US5496930AMar 5, 1996
Unsaturatd sugar compounds
HOECHST AG4 citations62
US5380659AJan 10, 1995
Process for highly regioselective esterification and ester cleavage on unsaturated sugar compounds with the aid of lipases and esterases
HOECHST AG5 citations62
US5155028AOct 13, 1992
Process for the enzymatic cleavage of vinyl 2-aryl-propionates
HOECHST AG3 citations62
US4686243AAug 11, 1987
Copolymer, a process for its preparation and its use as enzyme supports
HOECHST AG4 citations62
US4745059AMay 17, 1988
Process for the preparation of L-phenylalanine
HOECHST AG6 citations60
US5426211AJun 20, 1995
Vinyl 2-aryl-propionates
HOECHST AG1 citations51
US4883900ANov 28, 1989
Process for the preparation of aspartame and agents for carrying it out
HOECHST AG1 citations48
US4922001AMay 1, 1990
Chiral synthesis units from prochiral glycerol
HOECHST AG0 citations34
AVENTIS PHARMA GMBH
5 patentsUS6710167B1Mar 23, 2004
Procedure for the chromatographic purification of insulins
AVENTIS PHARMA GMBH16 citations79
US6380355B1Apr 30, 2002
Process for obtaining insulin precursors having correctly bonded cystine bridges
AVENTIS PHARMA GMBH12 citations72
US6727346B2Apr 27, 2004
Process for obtaining insulin precursors having correctly bonded cystine bridges
AVENTIS PHARMA GMBH3 citations61
US6734164B2May 11, 2004
Process for the stabilization of proteins in complex mixtures during their storage in aqueous solvents
AVENTIS PHARMA GMBH0 citations51
US6339061B1Jan 15, 2002
Process for the stabilization of proteins in complex mixtures during their storage in aqueous solvents
AVENTIS PHARMA GMBH0 citations51
CASSELLA FARBWERKE MAINKUR AG
2 patentsSANOFI AVENTIS DEUTSCHLAND
2 patentsUS7514403B2Apr 7, 2009
Process for the stabilization of proteins in an aqueous solution comprising cysteine in a concentration between 150 and 220mM
SANOFI AVENTIS DEUTSCHLAND2 citations61
US7659363B2Feb 9, 2010
Process for the preparation of insulin or an insulin derivative in the presence of oxygen
SANOFI AVENTIS DEUTSCHLAND1 citations45