US PATENT SUBCLASS 558 / 402
.~.~.~.~ Additional benzene ring bonded directly to the chain

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

Internet Version by PATENTEC © 1999      Terms of Use


558 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
303  DF  .~ Nitriles (i.e., compounds having cyano bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {21}
388  DF  .~.~ Benzene ring attached indirectly to the cyano group by acyclic nonionic bonding {5}
401  DF  .~.~.~ Benzene ring and cyano connected by a chain consisting of two carbons multiple bonded to each other {2}
402.~.~.~.~ Additional benzene ring bonded directly to the chain

DEFINITION

Classification: 558/402

(under subclass 401) Compounds wherein one of the carbons of the chain is bonded directly to an additional benzene ring.

(1) Note. An example of a compound provided for herein is: [figure]