US PATENT SUBCLASS 523 / 135
.~.~ Solar energy absorption or solar reflection composition 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}
135.~.~ Solar energy absorption or solar reflection composition or process of preparing

DEFINITION

Classification: 523/135

Solar energy absorption or solar reflection composition or process of preparing:

(under subclass 1) Subject matter wherein a composition having utility as a solar energy reflector or absorber 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 utilized to minimize heat buildup in the interior of objects exposed to sunlight, by reflecting the solar heat, would be classified herein.

(3) Note. A composition which is not solely disclosed as a solar energy reflector or absorber is placed as appropriate in Class 523 and 524 hereinbelow.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

93, for processes or apparatus for separating liquids from solids or contacting solids with gases or vapor by treating with solar energy. 62, Refrigeration,

235.1, for processes or apparatus utilizing solar energy to remove heat from a substance.