US PATENT SUBCLASS 106 / 751
.~.~.~.~ Involving kiln dust (e.g., recovery, treatment, processing thereof or product, etc.)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
638  DF  .~ Inorganic settable ingredient containing {30}
713  DF  .~.~ Portland type cement {13}
739  DF  .~.~.~ Portland type cement per se (e.g., clinker preparation, etc.) {26}
751.~.~.~.~ Involving kiln dust (e.g., recovery, treatment, processing thereof or product, etc.)

DEFINITION

Classification: 106/751

Involving kiln dust (e.g., recovery, treatment, processing thereof or product, etc.):

(under subclass 739) Subject matter involving kiln dust, e.g., intentional recovery, treatment, purifying, processing thereof, etc.

(1) Note. Incidental production of kiln dust, inherent in clinker production is not sufficient for classification in this subclass.