Silicon containing other than solely as SiO2 or as part of an aluminum-containing compound:
(under subclass 1.05) COATING OR PLASTIC COMPOSITIONS (unnumbered subclass preceding ... ). which contain a silicon atom other than in a compound of aluminum or as SiO2, per se.
SEE OR SEARCH THIS CLASS, SUBCLASS:
287.13, for a composition containing "a silicone" or "silicone oil" otherwise unidentified.
287.17, for an aluminum-containing compound containing a silicon atom.
287.34, for a coating composition containing a silicon atom solely as SiO2 containing compositions.