US PATENT SUBCLASS 524 / 176-- .~.~.~.~.~.~.~ Transition metal (at. no. 21-29, 39-47, 57-79)

US PATENT SUBCLASS 524 / 176
.~.~.~.~.~.~.~ Transition metal (at. no. 21-29, 39-47, 57-79)

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

*	DD	SYNTHETIC RESINS (Class 520, Subclass 1) {1}
*	DD	.~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF (Class 523, subclass 1) {17}
1	DF	.~.~ Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof {31}
80	DF	.~.~.~ DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon {4}
81	DF	.~.~.~.~ Organic DNRM {21}
174	DF	.~.~.~.~.~ Organic compound having at least one metal atom directly bonded to a carbon or hydrogen atom DNRM {1}
175	DF	.~.~.~.~.~.~ Heavy metal directly bonded to carbon or hydrogen atom {3}
176		.~.~.~.~.~.~.~ Transition metal (at. no. 21-29, 39-47, 57-79)

DEFINITION

Classification: 524/176

Transition metal (at no. 21-29, 39-47, 57-79):

(under subclass 175) Subject matter wherein the heavy metal compound contains at least one transition metal atom.

(1) Note. Transition metal for purposes of this subclass is limited to those elements of atomic number 21-29, 39-47, 57-79.

(2) Note. The transition metal for purposes of this subclass need not be bonded to the C or H atom. It is sufficient that a transition metal atom be in a compound wherein at least one heavy metal atom is bonded to a carbon or hydrogen atom.