US PATENT SUBCLASS 156 / 331.7
.~.~.~.~.~.~ Derived from iso- or thio-cyanate; e.g., polyurethane, etc.

Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

1  DF  METHODS {7}
60  DF  .~ Surface bonding and/or assembly therefor {93}
325  DF  .~.~ Particular adhesive {1}
326  DF  .~.~.~ Organic containing {4}
327  DF  .~.~.~.~ Synthetic resin containing {8}
330.9  DF  .~.~.~.~.~ Nitrogenous resin {4}
331.7.~.~.~.~.~.~ Derived from iso- or thio-cyanate; e.g., polyurethane, etc.

DEFINITION

Classification: 156/331.7

Derived from iso- or thio-cyanate; e.g., polyurethane, etc..:

(under subclass 330.9) Subject matter wherein the resin has been prepared from a starting material or intermediate containing the -N-C=O or -N=C=S moiety.