US PATENT SUBCLASS 526 / 219.4-- .~.~.~.~.~.~ Ingredient contains halogenated hydrocarbon

US PATENT SUBCLASS 526 / 219.4
.~.~.~.~.~.~ Ingredient contains halogenated hydrocarbon

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

*	DD	SYNTHETIC RESINS (Class 520, Subclass 1) {8}
72	DF	.~ POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING {43}
89	DF	.~.~ Polymerizing in the presence of a specified material other than monomer {28}
217	DF	.~.~.~ Material contains organic nitrogen compound {2}
218.1	DF	.~.~.~.~ Organic compound contains N=N or N-N group {5}
219.3	DF	.~.~.~.~.~ Contains specified ingredient other than the N=N or N-N group containing compound, or water, or defined hydrocarbon or defined halogenated hydrocarbon {2}
219.4		.~.~.~.~.~.~ Ingredient contains halogenated hydrocarbon

DEFINITION

Classification: 526/219.4

Ingredient contains halogenated hydrocarbon:

(under subclass 219.3) Subject matter wherein the polymerization process uses a halogenated hydrocarbon in addition to the compound containing the N=N or N-N group, e.g., azobisisobutyronitrile in admixture with ethylene dichloride, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

219.3+, for the limitations set out in using a halogenated hydrocarbon.

(1) Note. See the Class Definition, Lines with Other Classes and Within This Class, section II. B, for a discussion of limitations regarding "halogen hydrocarbon" as a basis of classification.