| abstract |
PCT No. PCT/US96/10581 Sec. 371 Date Dec. 18, 1997 Sec. 102(e) Date Dec. 18, 1997 PCT Filed Jun. 19, 1996 PCT Pub. No. WO97/00608 PCT Pub. Date Jan. 9, 1997A homogeneous mixture of solid granules cylindrical in shape of one or more groups which have substantially uniform diameters and a longitudinal length of no more than eight times the diameter with the average length being 1.5 to 4 times the diameter and wherein the diameters vary from one group to another by no more than 30%. |