US PATENT SUBCLASS 523 / 168
.~.~ Optical glass cementing or slide mounting 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}
168.~.~ Optical glass cementing or slide mounting composition or process of preparing

DEFINITION

Classification: 523/168

Optical glass cementing or slide mounting composition or process of preparing:

(under subclass 1) Subject matter wherein a composition having utility as a cement either for cementing optical glass or for mounting specimens on glass slides 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. Cement compositions for mounting material for histological, pathological, or bacteriological specimens onto glass slides are classified herein.

(3) Note. A composition used as a cement either for cementing optical glass or for mounting specimens of glass slides and which is not solely disclosed for those purposes and for compositions to secure labels onto glass is placed as appropriate in Classes 523 and 524 hereinbelow.