US PATENT SUBCLASS 534 / 640
.~.~.~ Alkylene, alkenyl, alkenylene, alkynyl or alkynylene attached directly or indirectlyto a ring by nonionic bonding

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

*  DD  ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8}
573  DF  .~ Azo {51}
617  DF  .~.~ Fiber- or substrate-reactive azo compound {5}
640.~.~.~ Alkylene, alkenyl, alkenylene, alkynyl or alkynylene attached directly or indirectlyto a ring by nonionic bonding {3}
641  DF  .~.~.~.~> Alkylene, alkenyl or alkenylene bonded directly to sulfonyl or sulfonamido, which sulfonyl or sulfonamido is between a ring and the alkylene, alkenyl or alkenylene {1}
643  DF  .~.~.~.~> Alkylene, alkenyl or alkenylene bonded directly to carboxamido, urea or -C(=X)-, wherein X is chalcogen, which group is between a ring and the alkylene, alkenyl or alkenylene
644  DF  .~.~.~.~> Alkylene, alkenyl or alkenylene and a ring bonded directly to the same chalcogen or to plural chalcogens which are bonded directly to each other

DEFINITION

Classification: 534/640

(under subclass 617) Compounds wherein an alkylene, alkenyl, alkenylene, alkynyl or alkynylene chain is attached directly or indirectly to a ring by nonionic bonding.

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