US PATENT SUBCLASS 564 / 303
.~.~ Resolution per se of optical isomers


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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37}
303.~.~ Resolution per se of optical isomers {1}
304  DF  .~.~.~> Of benzene ring containing compounds


DEFINITION

Classification: 564/303

(under subclass 1) Processes which are directed to the resolution (separation) of optical isomers, which may be diastereomers or enantiomers.