Inorganic microspheres

Details Inorganic microspheres Inorganic microspheres

2008-12-23

2010-12-07

Cain, Edward J (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C106S409000, C106S467000

Reexamination Certificate

active

07846994

ABSTRACT:
This invention relates to inorganic microspheres having a relatively narrow particle size distribution, which may be prepared by spheridization of zeolite crystals. The microspheres are particularly useful for whitening polymer compositions and in other filler applications.

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