US PATENT SUBCLASS 502 / 410
.~.~ Magnesium silicate (e.g., abestos, vermiculite, etc.)

Current as of: June, 1999
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502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

400  DF  SOLID SORBENT {6}
407  DF  .~ Silicon containing {6}
410.~.~ Magnesium silicate (e.g., abestos, vermiculite, etc.)

DEFINITION

Classification: 502/410

Magnesium silicate (e.g., asbestos, vermiculite, etc.):

(under subclass 407) Composition in which the silicon is chemically combined with magnesium and oxygen.

(1) Note. The silicate may include an other element e.g., Magnesium Aluminum silicate.