US PATENT SUBCLASS 560 / 358
.~.~ Benzene ring bonded directly to the isocyanate group


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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {17}
330  DF  .~ Isocyanate esters (i.e., compounds containing the isocyanate group, -N=C=O, bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {7}
358.~.~ Benzene ring bonded directly to the isocyanate group {2}
359  DF  .~.~.~> Plural benzene rings bonded directly to isocyanate groups (e.g., diisocyanatodiphenylmethane, etc.)
360  DF  .~.~.~> Plural isocyanate groups bonded directly to the same benzene ring


DEFINITION

Classification: 560/358

(under subclass 330) Compounds wherein the isocyanate group is bonded directly to a benzene ring.

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