US PATENT SUBCLASS 264 / 173.19
.~.~.~ Polyamide (e.g., nylon, etc.) or addition polymer of at least one monoethylenically unsaturated monomer (e.g., polyethylene, polypropylene, polystyrene, etc.) containing layer

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

Internet Version by PATENTEC © 1999      Terms of Use


264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

165  DF  FORMING CONTINUOUS OR INDEFINITE LENGTH WORK {8}
171.1  DF  .~ Layered, stratified traversely of length, or multiphase macrostructure containing material (e.g., conjugate, composite, islands-in-sea, core-sheath, etc.) {8}
173.16  DF  .~.~ Melt co-extrusion (e.g., two layers, etc.) {4}
173.19.~.~.~ Polyamide (e.g., nylon, etc.) or addition polymer of at least one monoethylenically unsaturated monomer (e.g., polyethylene, polypropylene, polystyrene, etc.) containing layer {1}
174.1  DF  .~.~.~.~> Styrene polymer containing

DEFINITION

Classification: 264/173.19

Polyamide (e.g., nylon, etc.) or addition polymer of at least one monoethylenically unsaturated monomer (e.g., polyethylene, polypropylene, polystyrene, etc.) containing layer:

(under subclass 173.16) Processes wherein at least one layer contains (a) polyamide or (b) addition polymer of at least one monoethylenically unsaturated monomer.

(1) Note. See the definitions of this Class 264 for the line between this class and the composition classes, especially Class 520.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, particularly Class 523 and Class 524 for a synthetic resin or natural rubber composition which may be disclosed or claimed to possess utility as molding materials.