US PATENT SUBCLASS 423 / 449.9
.~.~.~ Liquid feed only
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
     
Terms of Use
423 /
HD
CHEMISTRY OF INORGANIC COMPOUNDS
414
DF
CARBON OR COMPOUND THEREOF
{3}
445 R
DF
.~ Elemental carbon {7}
449.1
DF
.~.~ Carbon black (e.g., lampblack) {6}
449.9
.~.~.~ Liquid feed only
DEFINITION
Classification: 423/449.9
Liquid feed only:
(under subclass 449.1) Processes wherein initial feed stock is in a liquid state only.