US PATENT SUBCLASS 560 / 94
.~.~.~.~.~ Preparing esters from acid or from nitrile and diol

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}
1  DF  .~ Carboxylic acid esters {14}
8  DF  .~.~ Aromatic acid moiety {9}
76  DF  .~.~.~ Polycarboxylic acid {11}
89  DF  .~.~.~.~ Polyoxy alcohol moiety {5}
94.~.~.~.~.~ Preparing esters from acid or from nitrile and diol

DEFINITION

Classification: 560/94

Preparing esters from acid or from nitrile and diol:

(under subclass 89) Processes wherein the esters are prepared by reaction of a carboxylic acid or a nitrile with a diol.