By Patrick Raleigh UT On-line news editor Brussels-The European Commission has approved Koch's planned acquisition of Invista, DuPont's textiles and intermediates business. The clearance followed a close examination of the potential impact of the deal on the industrial fibres market, said a 21 Jan EC statement. This study, it said, found that the companies' combined market shares were too small to create competition concerns in the sector in Europe or worldwide."