US PATENT SUBCLASS 560 / 335
.~.~ Biuret containing (i.e., -NH-C(=O)-NH-C(=O)-NH- containing, wherein substitution may be made for hydrogen only)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
335.~.~ Biuret containing (i.e., -NH-C(=O)-NH-C(=O)-NH- containing, wherein substitution may be made for hydrogen only)

DEFINITION

Classification: 560/335

(under subclass 330) Compounds which contain the biuret group, -NH-C(=0)-NH-C(=O) -NH-, wherein substitution may be made for hydrogen only.

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