US PATENT SUBCLASS 162 / 168.3
.~.~.~.~.~ Acrylamide containing

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

Internet Version by PATENTEC © 1999      Terms of Use


162 /   HD   PAPER MAKING AND FIBER LIBERATION

100  DF  PROCESSES AND PRODUCTS {31}
158  DF  .~ Non-fiber additive {16}
164.1  DF  .~.~ Synthetic resin {9}
168.1  DF  .~.~.~ Polymerized unsaturated compound {4}
168.2  DF  .~.~.~.~ Nitrogen containing compound {2}
168.3.~.~.~.~.~ Acrylamide containing {1}
168.4  DF  .~.~.~.~.~.~> Heterocyclic N or S or epoxy component

DEFINITION

Classification: 162/168.3

Acrylamide containing:

(under subclass 168.2) Processes in which the nitrogen containing compound is an amide of acrylic acid, or of an analogue of acrylic acid.

(1) Note. The nitrogen containing compound may be, e.g., methacrylamide, etc.