US PATENT SUBCLASS 560 / 92
.~.~.~.~.~ Preparing esters by ester interchange

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}
92.~.~.~.~.~ Preparing esters by ester interchange

DEFINITION

Classification: 560/92

Preparing esters by ester interchange:

(under subclass 89) Processes wherein the ester is prepared by reacting an ester with another ester, acid or alcohol, to produce a different ester.