US PATENT SUBCLASS 521 / 111
.~.~.~.~ Organic silicon atom compound contains an atom other than oxygen, hydrogen, silicon, or carbon

Current as of: June, 1999
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521 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {3}
50  DF  .~ CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT, E.G., FOAMS, PORES, CHANNELS, ETC. {27}
99  DF  .~.~ Cellular product formation prior to or during solid polymer formation in the presence of a stated ingredient other than water {18}
110  DF  .~.~.~ Ingredient contains a silicon atom as part an organic compound {2}
111.~.~.~.~ Organic silicon atom compound contains an atom other than oxygen, hydrogen, silicon, or carbon

DEFINITION

Classification: 521/111

Organic silicon atom compound contains an atom other than oxygen, hydrogen, silicon or carbon:

(under subclass 110) Subject matter wherein the organic silicon compound contains an atom other than carbon, hydrogen, oxygen, or silicon.