Inventor
KLENK HERBERT
DE30 patents
⚠️ This page may combine multiple inventors who share the name “KLENK HERBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
25 patentsUS5387720AFeb 7, 1995
Process for the production of acrolein
DEGUSSA178 citations97
US5426249AJun 20, 1995
Process for the simultaneous production of 1,2- and 1,3-propanediol
DEGUSSA69 citations94
US4824987AApr 25, 1989
Method of preparing m-trifluoromethylphenyl acetonitrile
DEGUSSA25 citations92
US4914208AApr 3, 1990
Optically active salts of a substituted thiazolidine-4-carboxylate and 3-chloro-2-hydroxypropyltrimethyl ammonium, their preparation and use
DEGUSSA33 citations90
US5166426ANov 24, 1992
Process for producing l-carnitine from d,l-carnitine nitrile salts
DEGUSSA7 citations74
US4175188ANov 20, 1979
Process for the production of 1,2,4-triazin-5-one derivatives
DEGUSSA14 citations74
US4108875AAug 22, 1978
Process for the production of acyl cyanides (B)
DEGUSSA8 citations74
US4360682ANov 23, 1982
Stabilizing caprolactones with dihydroxybenzenes
DEGUSSA10 citations73
US4313879AFeb 2, 1982
Process for the manufacture of very pure ε-caprolactone
DEGUSSA10 citations72
US4492793AJan 8, 1985
Process for the production of 2-amino-5-mercapto-1,3,4-thiadiazole
DEGUSSA2 citations63
US4490307ADec 25, 1984
Process for the production of β-mercaptopropionic acid derivatives
DEGUSSA6 citations63
US4161491AJul 17, 1979
Process for the production of alpha-ketocarboxylic acid amides and cycloaliphatic products
DEGUSSA2 citations63
US4117008ASep 26, 1978
Process for the production of benzoyl cyanide (ii)
DEGUSSA4 citations63
US4108877AAug 22, 1978
Process for the production of acyl cyanides (A)
DEGUSSA5 citations63
US5049283ASep 17, 1991
Method for the recovery of aqueous solutions of free, neutral α-amino acids from aqueous solutions of their alkali-metal salts
DEGUSSA6 citations62
US4228082AOct 14, 1980
N-Substituted α-ketocarboxylic acid amides
DEGUSSA4 citations62
US4224226ASep 23, 1980
Process for the production of N-substituted α-ketocarboxylic acid amides
DEGUSSA2 citations62
US4209461AJun 24, 1980
Process for the production of benzoyl cyanide (I)
DEGUSSA3 citations62
US4144269AMar 13, 1979
Process for the production of benzoyl cyanide (IV)
DEGUSSA4 citations62
US4113773ASep 12, 1978
Process for the production of benzoyl cyanide (I)
DEGUSSA5 citations62
US5191085AMar 2, 1993
Optically active salts of a substituted thiazolidine-4-carboxylate and 3-cyano-hydroxypropyl trimethyl-ammonium, their production and uses
DEGUSSA0 citations52
US4716247ADec 29, 1987
Process for the production of thiosemicarbazide
DEGUSSA0 citations52
US4339591AJul 13, 1982
Process for the production of caboxylic acid cyanides
DEGUSSA1 citations52
US4122116AOct 24, 1978
Substituted cyclopropyl glyoxylnitriles
DEGUSSA1 citations52
US4326056AApr 20, 1982
Process for the production of 4-amino-6-tert. butyl-3-mercapto-1,2,4-triazin-5-one
DEGUSSA1 citations46
ASTA MEDICA AG
3 patentsUS5455264AOct 3, 1995
RS-thioctic acid with novel morphology
ASTA MEDICA AG36 citations92
US6013815AJan 11, 2000
Production and use of salts of 6,8-bis (amidiniumthio)-octanoic acid
ASTA MEDICA AG0 citations51
US5760268AJun 2, 1998
Production and use of salts of 6, 8-bis (amidiniumthio) -octanoic acid
ASTA MEDICA AG1 citations51