US PATENT SUBCLASS 502 / 504
.~ Abrasion resistance


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

500  DF  STABILIZED {4}
504.~ Abrasion resistance


DEFINITION

Classification: 502/504

Abrasion resistance:

(under subclass 500) Collection of art in which the desired property is an ability of the material to retain its integrity under conditions usually contributing to spalling or attrition.