US PATENT SUBCLASS 523 / 171
.~.~ Composition having opalescent, pearlescent, or variegated color or process of preparing

Current as of: June, 1999
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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}
171.~.~ Composition having opalescent, pearlescent, or variegated color or process of preparing

DEFINITION

Classification: 523/171

Composition having opalescent, pearlescent, or variegated color or process of preparing:

(under subclass 1) Subject matter wherein a composition having at least two distinct colors or exhibiting opal-like

or pearl-like coloration 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. A composition having opalescent, pearlescent, or variegated color and which is not solely disclosed as having those properties is placed as appropriate in Classes 523 and 524 hereinbelow.

SEE OR SEARCH CLASS

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

9+, for continuous liquid phase colloid systems (e.g., foams, emulsions, suspensions, dispersions) or agents for such systems or making or stabilizing such systems or agents, when generically claimed or when there is hierarchically superior provision in the USPC for the specifically claimed art.