US PATENT SUBCLASS 508 / 121
.~.~.~ With boron or silicon compound


Current as of: June, 1999
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508 /   HD   SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR SEPARATE COMPOSITIONS FOR MOVING SOLID SURFACES, AND MISCELLANEOUS MINERAL OIL COMPOSITIONS

110  DF  LUBRICANTS OR SEPARANTS FOR MOVING SOLID SURFACES AND MISCELLANEOUS MINERAL OIL COMPOSITIONS (E.G., WATER CONTAINING, ETC.) {53}
113  DF  .~ Graphite, coal, or elemental carbon {10}
116  DF  .~.~ With organic -C(=O)O-compound {6}
121.~.~.~ With boron or silicon compound


DEFINITION

Classification: 508/121

With boron or silicon compound:

(under subclass 116) Compositions which contain, in addition to the organic -C(=O)O- compound and the graphite, coal or elemental carbon, a compound which contains boron or silicon.

(1) Note. Example of components provided for herein are borax and silica.