US PATENT SUBCLASS 252 / 183.15
.~.~ Calcium carbide precursors

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

Internet Version by PATENTEC © 1999      Terms of Use


252 /   HD   COMPOSITIONS

183.11  DF  CHEMICALLY INTERACTIVE REACTANTS (VIS-A-VIS) {3}
183.14  DF  .~ Inorganic reactants only {2}
183.15.~.~ Calcium carbide precursors

DEFINITION

Classification: 252/183.15

Calcium carbide precursors:

(under subclass 183.14) Subject matter wherein the inorganic reactants are considered calcium carbide precursors, i.e., which when reacted, will produce calcium carbide, e.g., calcium oxide and coke, etc.