US PATENT SUBCLASS 423 / 274
.~ Coating or binder


Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

265  DF  WITH ADDITIVE {7}
274.~ Coating or binder


DEFINITION

Classification: 423/274

(under subclass 265) Products or processes in which the substance is interrelated as a (1) covering over at least part of the surface of the product or (2) a binder causing the particles of the product to adhere to one another.

(1) Note. The coating or binder generally does not interfere, to any undue extent, with the reactivity of the

product when such reactivity is desired.

SEE OR SEARCH CLASS

264, Plastic and Nonmetallic Article Shaping or Treating: Processes, for briquetting or otherwise shaping the compositions of this subclass.

424, Drug, Bio-Affecting and Body-Treating Compositions,

16+, for coated compositions meeting the Class 424 definition. 427, Coating Processes, for general processes of coating. The process of making and coating a Class 423 product is properly classified in Class 423 where the purpose of the coating is merely to preserve or stabilize the product. The process of coating a Class 423 product is proper for Class 427, and a coated Class 423 product is proper for Class 423.