Complex sentence: In November 1996 Silex Systems Limited signed a license and development agreement for the application of SILEX technology exclusively to uranium enrichment with the United States Enrichment Corporation (USEC) avoiding any problems for Australia under the Nuclear Non-Proliferation Treaty.
Split into simpler sentences: In November 1996 Silex Systems Limited licensed its technology exclusively to United States Enrichment Corporation (USEC) for uranium enrichment. This avoided any problems for Australia under the Nuclear Non-Proliferation Treaty.