US PATENT SUBCLASS 528 / 174
.~.~.~ Halogen-containing material is a reactant

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


528 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
86  DF  .~ FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE {15}
171  DF  .~.~ Sulfur reactant contains sulfur directly bonded to oxygen {3}
174.~.~.~ Halogen-containing material is a reactant {1}
175  DF  .~.~.~.~> Reactant contains a (O=)S(=O)-halo group

DEFINITION

Classification: 528/174

(under subclass 171) Subject matter wherein a reactant contains a halogen-containing material (F, Cl, Br, I, At) as a reactant.

(1) Note. The halogen atom may be in any of the reactants and the sulfur-to-oxygen group may be in any of the other reactants, or they may be in the same nonphenolic reactant, or in the same phenolic reactant.