C07C51/54 - CPC Classification Index

ClassID:

91807 ⎘

C07C51/54 - CPC Classification

Classification description:

Preparation of carboxylic acids or their salts, halides or anhydrides Preparation of carboxylic acid anhydrides

Sub-classes:

C07C51/56 » from organic acids, their salts, their esters {or their halides, e.g. by carboxylation} 74
C07C51/567 » by reactions not involving carboxylic acid anhydride groups 14
C07C51/573 » Separation; Purification; Stabilisation; Use of additives 34

Recent Application in this class:

20190256650

Catalytic carbonylation catalysts and methods

20190169507

METHOD AND APPARATUS FOR PRODUCING A CHEMICAL COMPOUND AND THE PRODUCED CHEMICAL COMPOUND

20190031962

METHOD AND APPARATUS FOR PRODUCING A CHEMICAL COMPOUND AND THE PRODUCED CHEMICAL COMPOUND

20180179449

Method and apparatus for producing a chemical compound and the produced chemical compound

20170113998

Method for separating high-boiling carboxylic acid vinyl ester/carboxylic acid mixtures

20170088502

Method for producing carboxylic acid anhydride and method for producing carboxylic acid ester

20170073463

Catalytic carbonylation catalysts and methods

20150361022

Methods for the valorization of carbohydrates

20140296522

Catalytic carbonylation catalysts and methods

20140046077

Process for the production of anhydrides

20130137903

INTEGRATED PROCESS FOR PRODUCING POLYVINYL ALCOHOL OR A COPOLYMER THEREOF AND ETHANOL

20120123156

Coproduction of acetic acid and acetic anhydride

20110021816

Acetic anhydride production by way of carbonylation with enhanced reaction and flashing

20060052631

Flexible method for the joint production of (i) formic acid, (ii) a carboxylic acid comprising at least two carbon atoms and/or the derivatives thereof, and (iii) a carboxylic acid anhydride