US PATENT SUBCLASS 428 / 355 AK
.~.~.~ Including aldehyde or ketone condensation polymer (e.g., urea formaldehyde polymer, melamine formaldehyde polymer, etc.)

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

Internet Version by PATENTEC © 1999      Terms of Use


428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

221  DF  WEB OR SHEET CONTAINING STRUCTURALLY DEFINED ELEMENT OR COMPONENT {9}
343  DF  .~ Adhesive outermost layer {8}
355 R  DF  .~.~ Adhesive compositions {7}
355 AK.~.~.~ Including aldehyde or ketone condensation polymer (e.g., urea formaldehyde polymer, melamine formaldehyde polymer, etc.)

Unofficial Alpha Subclasses: R RA CP EP AK EN BL CN AC

DEFINITION

Classification: 428/355

(under subclass 343) Product in which the adhesive composition is recited.

(1) Note. For classification in this or the indented subclass, at least one of the ingredients of the adhesive must be recited specifically, for example as "gum arabic", "linseed oil", etc., not nominally, as for example, "oil", "gum", etc.