US PATENT SUBCLASS 8 / 115.57
.~.~.~ Reactant contains heterocycle

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

Internet Version by PATENTEC © 1999      Terms of Use


8 /   HD   BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS

115.51  DF  CHEMICAL MODIFICATION OF TEXTILES OR FIBERS OR PRODUCTS THEREOF {7}
115.54  DF  .~ Treating textiles or fibers from synthetic resin or natural rubber with chemical reactant {4}
115.56  DF  .~.~ Organic chemical reactant {4}
115.57.~.~.~ Reactant contains heterocycle {2}
115.58  DF  .~.~.~.~> Reactant contains nitrogen heterocycle {1}
115.61  DF  .~.~.~.~> Reactant contains oxygen heterocycle

DEFINITION

Classification: 8/115.57

Reactant contains heterocycle:

(under subclass 115.56) Subject matter wherein the chemical reactant contains a heterocyclic group, elg., ethylene sulfide, etc.

(1) Note. The term heterocyclic denotes the presence off a covalently bound ring whose members are composed of at least one carbon atom and one or more atoms of the elements selected from the group consisting of nitrogen, oxygen, sulfur, selenium, and tellurium.