US PATENT SUBCLASS 523 / 170
.~.~ Glass enamel composition or process of preparing

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

Internet Version by PATENTEC © 1999      Terms of Use


523 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF {71}
170.~.~ Glass enamel composition or process of preparing

DEFINITION

Classification: 523/170

Glass enamel composition or process of preparing:

(under subclass 1) Subject matter wherein a composition having utility either as an enamel composition for a glass substrate or as a medium or binder in the production of glass enamel is claimed or solely disclosed or to processes of preparation thereof.

(1) Note. For an explanation of patent placement referring to claimed or solely disclosed, see (in the class definition) the section of SEARCH THIS CLASS, SUBCLASS that refers to this subclass.

(2) Note. An enamel for purposes of this subclass is a vitrifiable or glaze forming composition.

(3) Note. A glass enamel composition which is not solely disclosed for that purpose is placed as appropriate in Classes 523 and 524 hereinbelow.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic,

312, for a material or ingredient specifically designed to produce opacity in glass in the form of vitreous enamels or glazes.