Complex sentence: Due to patent conflicts, the ongoing research was put to rest; but in the mean time Whitenife had already secured exclusive rights to the use of Elfh, a patented, mineral based material, that was 89% close to genuine elephant ivory.
Split into simpler sentences: Due to patent conflicts, the ongoing research was put to rest. Simultaneously, Whitenife secured exclusive rights to the use of Elfh, a patented, mineral based material, that was 89% close to genuine elephant ivory.