US PATENT SUBCLASS 562 / 594
.~.~.~.~ Element other than C,H,O,N, or halogen

Current as of: June, 1999
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562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
400  DF  .~ Carboxylic acids and salts thereof {14}
512  DF  .~.~ Acyclic {14}
590  DF  .~.~.~ Polycarboxylic {7}
594.~.~.~.~ Element other than C,H,O,N, or halogen

DEFINITION

Classification: 562/594

Element Other Than C, H, O, N, or Halogen:

(under subclass 590) Compounds wherein the acid contains an element covalently bonded other than C, H, O, N, and halogen.

(1) Note. This subclass contains, for example: [figure]