US PATENT SUBCLASS 372 / 52
.~.~ Chelate


Current as of: June, 1999
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372 /   HD   COHERENT LIGHT GENERATORS

39  DF  PARTICULAR ACTIVE MEDIA {7}
51  DF  .~ Liquid {3}
52.~.~ Chelate


DEFINITION

Classification: 372/52

Chelate:

(under subclass 51) Subject matter where the liquid active media is in the form of a solution of a material having a trivalent rare earth bonded to several organic groups or liquids and dissolved in a suitable solvent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

40, for rare-earth chelates dissolved in a solid plastic host material.