US PATENT SUBCLASS 560 / 336
.~.~ Processes


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}
336.~.~ Processes {6}
337  DF  .~.~.~> Isocyanic acid, or salt thereof, as reactant
338  DF  .~.~.~> Processes for forming the isocyanate group {9}
349  DF  .~.~.~> Halogenation of isocyanate esters
350  DF  .~.~.~> Isocyanate exchange reactions (i.e., A-NCO + B-X = B-NCO + A-X)
351  DF  .~.~.~> Processes of reacting isocyanate esters of known structure to yield products of indeterminate structure
352  DF  .~.~.~> Purification or recovery {1}


DEFINITION

Classification: 560/336

(under subclass 330) Processes which are directed to the preparation, purification, recovery, or treatment in any way of an isocyanate ester.