US PATENT SUBCLASS 562 / 4
.~.~ Formation of the -C(=O)-O-OH group, or of a salt thereof (e.g., from acid halides or anhydrides, neutralization; etc)

Current as of: June, 1999
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562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
2  DF  .~ Percarboxylic acids or salts thereof (i.e., compounds having the -C(=O)-O OH group, wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium) {2}
4.~.~ Formation of the -C(=O)-O-OH group, or of a salt thereof (e.g., from acid halides or anhydrides, neutralization; etc) {2}
5  DF  .~.~.~> Aldehyde or percarboxylic acid ester reactant
6  DF  .~.~.~> Carboxylic acid or carboxylic acid salt reactant

DEFINITION

Classification: 562/4

(under subclass 2) Processes which involve the formation of the -C(=O)-O-O-H group, or the formation of a salt of this group.

(1) Note. The formation of the salt is classified here regardless of whether the salt is made from the-C(=O)-O-O-H group, or if it is made by other means.