US PATENT SUBCLASS 560 / 357
.~.~.~ Chalcogen, single bonded directly to carbon, attached indirectly to the isocyanate group by acyclic nonionic bonding (e.g., ether group containing, etc.)

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}
355  DF  .~.~ Acyclic carbon bonded directly to the isocyanate group {2}
357.~.~.~ Chalcogen, single bonded directly to carbon, attached indirectly to the isocyanate group by acyclic nonionic bonding (e.g., ether group containing, etc.)

DEFINITION

Classification: 560/357

(under subclass 355) Compounds wherein the isocyanate group is attached indirectly by acyclic nonionic bonding to chalcogen, which is single bonded directly to carbon.

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