Inventor
LAAS HARALD
DE15 patents
⚠️ This page may combine multiple inventors who share the name “LAAS HARALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
14 patentsUS6111117AAug 29, 2000
Process for isolation of pure substances from mixtures of high-boiling air and/or temperature-sensitive substances which require a high separation efficiency by rectification under medium vacuum, and columns suitable for this process
BASF AG16 citations91
US5950454ASep 14, 1999
Cloth or cloth-like packing which is subject to low pressure losses and has an ordered structure for use in material-exchange columns and rectification method using such packing
BASF AG22 citations91
US6554965B1Apr 29, 2003
Rectification column for isolating pure substances from high boiling air-and/or temperature sensitive substances
BASF AG15 citations83
US4538009AAug 27, 1985
Preparation of substituted phenols
BASF AG10 citations73
US6005122ADec 21, 1999
Preparation of α-tocopherol or α-tocopheryl acetate by reacting trimethylhydroquinone and phytol or isophytol, with recycling of the zinc halide condensation catalyst
BASF AG11 citations72
US4301084ANov 17, 1981
Process for the preparation of carboxylic acid esters of β-formyl-crotyl alcohol by an allyl rearrangement
BASF AG7 citations72
US4562277ADec 31, 1985
Process for the preparation of a bis-salicylidene-alkylene-diaminocobaltous ion complex
BASF AG2 citations61
US4255333AMar 10, 1981
Preparation of indolenines
BASF AG2 citations60
US5041572AAug 20, 1991
Preparation of 2,3,5-trimethyl-p-benzoquinone
BASF AG3 citations59
US4240963ADec 23, 1980
Preparation of indolenines
BASF AG2 citations59
US6784303B2Aug 31, 2004
Method for continuously acylating chromanol ester derivatives
BASF AG2 citations58
US6365758B1Apr 2, 2002
Preparation of tocopheral carboxylates or tocotrienyl esters by acid-catalyzed reaction with carboxylic acids
BASF AG4 citations57
US4820874AApr 11, 1989
Increasing the yield of 2.5.6-trimethylcyclohex-2-en-1-one
BASF AG1 citations48
US4600799AJul 15, 1986
Preparation of trimethylhydroquinone
BASF AG1 citations44