US PATENT SUBCLASS 521 / 95
.~.~.~.~ Nitrogen compound contains a nitrogen atom bonded to a nitrogen or oxygen atom


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}
82  DF  .~.~ Process of forming a cellular product subsequent to solid polymer formation in the presence of a stated ingredient, noncellular composition capable of forming a cellular product and containing a stated ingredient, or process of preparing same {14}
94  DF  .~.~.~ Ingredient is a nitrogen containing compound {1}
95.~.~.~.~ Nitrogen compound contains a nitrogen atom bonded to a nitrogen or oxygen atom


DEFINITION

Classification: 521/95

Nitrogen compound contains a nitrogen atom bonded to a nitrogen or oxygen atom:

(under subclass 94) Subject matter wherein the nitrogen

compound contains (1) at least one nitrogen atom bonded directly to another nitrogen atom, or (2) at least one nitrogen atom bonded directly to an oxygen atom (e.g., azo, azide, nitrate, etc.).