US PATENT SUBCLASS 523 / 117
.~.~.~.~.~.~ Radio- or X-ray opaque


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}
105  DF  .~.~ Nonmedicated composition specifically intended for contact with living animal tissue or process of preparing; other than apparel {7}
113  DF  .~.~.~ Composition suitable for use as tissue or body member replacement, restorative, or implant {3}
115  DF  .~.~.~.~ Composition suitable for use as tooth or bone replacement, restorative, or implant {1}
116  DF  .~.~.~.~.~ Cement or filling composition {1}
117.~.~.~.~.~.~ Radio- or X-ray opaque


DEFINITION

Classification: 523/117

Radio- or X-ray opaque:

(under subclass 116) Subject matter wherein said composition exhibits a high absorptivity for X-rays or radio rays.