P

Inventor

FRAUENKRON MATTHIAS

DE22 patents
⚠️ This page may combine multiple inventors who share the name “FRAUENKRON MATTHIAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BASF AG

16 patents
US6562971B2May 13, 2003

Process for the preparation of triethylenediamine (TEDA)

BASF AG80 citations97
US6576796B1Jun 10, 2003

Process for the preparation of alkylamines

BASF AG39 citations92
US7393978B2Jul 1, 2008

Method for producing ethylene-amines

BASF AG31 citations91
US6958397B2Oct 25, 2005

Method of selectively synthesizing triethylenediamine

BASF AG6 citations73
US6552194B2Apr 22, 2003

Process for the preparation of pure triethylenediamine (TEDA)

BASF AG6 citations72
US6555688B1Apr 29, 2003

Method for the production of triethylene diamine making use of ethylene diamine

BASF AG10 citations68
US7601875B2Oct 13, 2009

Method for producing ethyleneamines

BASF AG2 citations62
US7115742B2Oct 3, 2006

Process for the preparation of triethylenediamine (TEDA) from ethylenediamine

BASF AG4 citations62
US7279602B2Oct 9, 2007

Method for separating triethanolamin from a mixture obtainable by ammonia and ethylene oxide reaction

BASF AG6 citations61
US7119231B2Oct 10, 2006

Method for producing alkanolamines

BASF AG3 citations61
US7754139B2Jul 13, 2010

Method for preparing triethylenediamine (TEDA)

BASF AG0 citations52
US6365740B1Apr 2, 2002

Preparation of 2-methyl-4-amino-5-aminomethylpyrimidine

BASF AG1 citations52
US7074926B2Jul 11, 2006

Decoloration and color stabilization of TEDA solution

BASF AG0 citations51
US7151177B2Dec 19, 2006

Process for the preparation of highly pure triethylene diamine

BASF AG0 citations50
US7271292B2Sep 18, 2007

Process for distillatively removing piperazine from an ethylenediamine-piperazine mixture

BASF AG0 citations49
US7132538B2Nov 7, 2006

Isolation of high-purity triethylenediamine (TEDA) by distillation

BASF AG0 citations48

BASF SE

5 patents

WIGBERS CHRISTOF WILHELM

1 patent