US PATENT SUBCLASS 564 / 487
.~.~.~ Preparing directly from hetero ring containing compound


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
463  DF  .~.~ Acyclic {16}
487.~.~.~ Preparing directly from hetero ring containing compound


DEFINITION

Classification: 564/487

(under subclass 463) Processes wherein the compounds are produced directly from a heterocyclic compound.