Inventor
KIEFER HANS
DE27 patents
⚠️ This page may combine multiple inventors who share the name “KIEFER HANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
22 patentsUS5294740AMar 15, 1994
Preparation of formic acid by thermal cleavage of quaternary ammonium formates
BASF AG32 citations92
US5206433AApr 27, 1993
Preparation of formic acid
BASF AG26 citations92
US4218568AAug 19, 1980
Preparation of formic acid
BASF AG27 citations81
US4217460AAug 12, 1980
Isolation of formic acid from its aqueous solutions
BASF AG22 citations81
US5486363AJan 23, 1996
Preparation of choline chloride-containing powders, these powders, and their use
BASF AG14 citations73
US5468883ANov 21, 1995
Preparation of vitamin E
BASF AG14 citations73
US5300303AApr 5, 1994
Spray granules or microgranules of pure riboflavin which contain no binder are non-dusting and free-flowing, and the preparation thereof
BASF AG10 citations73
US5095115AMar 10, 1992
Preparation of riboflavin 5'-phosphate (fmn) and its sodium salt in a lactone
BASF AG16 citations73
US5017700AMay 21, 1991
Preparation of riboflavin-5'-phosphate (5'-FMN) and its sodium salt, and of riboflavin-4',5'-cyclophosphoric acid ester chloride as an intermediate
BASF AG9 citations73
US5128151AJul 7, 1992
Stabilized menadione bisulfite formulations and their preparation
BASF AG6 citations72
US4565894AJan 21, 1986
Preparation of ionones
BASF AG7 citations72
US3983010ASep 28, 1976
Recovery of the formic acid/water azeotrope by distillation
BASF AG16 citations72
US4977190ADec 11, 1990
Preparation of riboflavin, produced by a microbial method, in the form of spray-dried granules or microgranules
BASF AG8 citations70
US3969510AJul 13, 1976
Method of controlling fungi
BASF AG12 citations69
US4482492ANov 13, 1984
Preparation of vitamins K3 and K4 and derivatives
BASF AG4 citations63
US4038311AJul 26, 1977
Production of n-(1-alkenyl)-carbamyl chlorides
BASF AG3 citations63
US5210023AMay 11, 1993
Method of purifying ferment-produced riboflavin
BASF AG6 citations62
US4701546AOct 20, 1987
Preparation of 2-(N-formylamino)-propionitrile
BASF AG5 citations62
US4735969AApr 5, 1988
Menadione choline bisulfite adduct, its preparation and antihemorrhagic compositions
BASF AG3 citations61
US5189216AFeb 23, 1993
Isolation of a carboxylic acid from an aqueous solution thereof
BASF AG3 citations59
US4134915AJan 16, 1979
Continuous manufacture of formamide
BASF AG0 citations50
US4921711AMay 1, 1990
Animal feed or drinking water containing propanediol formates
BASF AG1 citations45
KERNFORSCHUNGSZ KARLSRUHE
4 patentsUS4704537ANov 3, 1987
Passive dosimeter
KERNFORSCHUNGSZ KARLSRUHE14 citations74
US4454587AJun 12, 1984
Method and circuit arrangement for discriminating between pulses generated by alpha and/or beta radiators
KERNFORSCHUNGSZ KARLSRUHE12 citations71
US4400621AAug 23, 1983
Detector device
KERNFORSCHUNGSZ KARLSRUHE11 citations71
US4933564AJun 12, 1990
Method of determining radiation doses by evaluating nuclear tracks in irradiated and subsequently etched foils
KERNFORSCHUNGSZ KARLSRUHE4 citations62