US PATENT SUBCLASS 562 / 843
.~.~ Carbonyl bonded directly to the carbonyl group (e.g., oxalyl chlorides, etc.)

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

Internet Version by PATENTEC © 1999      Terms of Use


562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
840  DF  .~ Carboxylic halides (i.e., compounds having the -C(=O)-halo group) {11}
843.~.~ Carbonyl bonded directly to the carbonyl group (e.g., oxalyl chlorides, etc.)

DEFINITION

Classification: 562/843

(under subclass 840) Compounds wherein an additional carbonyl group is bonded directly to the carbonyl of the carboxylic

acid halide; i.e., [figure]

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