US 7,497,903 B2
	Micronized perlite filler product
Bo Wang, Lompoc, Calif. (US); Timothy R. Smith, Lompoc, Calif. (US); Andrew L. Masters, Santa Barbara, Calif. (US); and Nigel Julian Keith Danvers, Paris (France)
Assigned to Advanced Minerals Corporation, Santa Barbara, Calif. (US)
Filed on Sep. 28, 2004, as Appl. No. 10/953,542.
Prior Publication US 2006/0075930 A1, Apr. 13, 2006
Int. Cl. C08K 7/26 (2006.01)

U.S. Cl. 106—409  [106/DIG. 2]

44 Claims

1. A micronized perlite filler product having a median particle size less than 4 microns and an oil absorption of less than 70 percent by weight.