Assertion: modified carbon black | /r/HasProperty | prepared by method
Facets:
Source sentences:
text: In addition, modified carbon blacks containing attached functional groups may also be prepared by the methods described in U.S. Pat.
text: For example, the modified carbon black can be prepared using the methods described in U.S. Pat.
text: Modified carbon blacks may be prepared using any method known to those skilled in the art such that organic chemical groups are attached to the carbon black.