Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Inventor: Funhoff; Dirk Address: Mannheim, DE No. of patents: 2 Patents: Patent Number Title Of Patent Date Issued 7345173 Work-up of the mother liquor obtained in the preparation of high-purity triethylenediamine March 18, 2008 In a process for the purification of triethylenediamine (TEDA) in which TEDA is vaporized and the gaseous TEDA is passed into a liquid solvent and is subsequently crystallized from this, the mother liquor obtained after the TEDA has been crystallized is extracted with an extractant w 6552194 Process for the preparation of pure triethylenediamine (TEDA) April 22, 2003 The invention relates to the preparation of pure triethylenediamine (TEDA) by evaporating TEDA from the mixture comprising a solvent or diluent, where the solvent or diluent has a boiling point at atmospheric pressure in the range from 175 to 250.degree. C., passing the vapor-form TEDA i       Recently Added Patents Standard telephone equipment (STE) based deployable secure communication system Head gear Polarization control using diffraction gratings in VCSEL waveguide grating couplers Remotely accessing and programming a set top box Data-centric automatic data mining Autofocus system and method for autofocusing an optical imaging instrument Container with plant identification tag slot   Randomly Featured Patents Mechanical energy storage device for hip disarticulation Laminates comprising organosiloxane elastomers and organic polymers and method for preparing same Altered intracellular localization of BRK/Sik protein tyrosine kinase in human prostate tumors Distributor of high-definition television Charging of coke ovens with preheated coal Molecular weight reduction of polysaccharides by electron beams Clock recovery and hold circuit for digital TDM mobile radio Method of improving growth characteristics of plants of the family Orchidaceae Apparatus for converting single-phase power to three-phase outputs Polymeric and carbon compositions with metal nanoparticles © 2006. PatentGenius. All Rights Reserved.