ClassID:

91840

C07C53/48 - CPC Classification

Classification description:

Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen; Acyl halides containing halogen outside the carbonyl halide group Halogenated acetyl halides

Recent Application in this class:
#1
20240300884
2024-09-12

METHODS FOR REMOVAL OF SULFUR DIOXIDE (SO2) FROM TRIFLUOROACETYL CHLORIDE (TFAC)

#2
20220081386
2022-03-17

Methods for removal of sulfur dioxide (SO) from trifluoroacetyl chloride (TFAC)

#3
20220073803
2022-03-10

Azeotrope or azeotrope-like compositions of trifluoroiodomethane (CFI) and trifluoroacetyl chloride (CFCOCI)

#4
20200369933
2020-11-26

Azeotrope or azeotrope-like compositions of trifluoroiodomethane (CFI) and trifluoroacetyl chloride (CFCOCI)

#5
20170340986
2017-11-30

DISTILLATION PROCESS COMPRISING AT LEAST TWO DISTILLATION STEPS TO OBTAIN PURIFIED HALOGENATED CARBOXYLIC ACID HALIDE, AND USE OF THE PURIFIED HALOGENATED CARBOXYLIC ACID HALIDE

#6
20150246899
2015-09-03

PROCESS FOR THE PREPARATION OF DABIGATRAN ETEXILATE OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF

#7
20140349488
2014-11-27

Etching gas

#8
20140031588
2014-01-30

Method for purifying difluoroacetic acid chloride

#9
20130012740
2013-01-10

Method for producing difluoroacetyl chloride

#10
20120231630
2012-09-13

Etching Gas

#11
20120190892
2012-07-26

Process for the preparation of a halogenoacetyl fluoride and its derivatives

#12
20110065955
2011-03-17

Method for preparing difluoroacetic acid and salts thereof

#13
20100181186
2010-07-22

Process for obtaining a purified hydrofluoroalkane

#14
20090253905
2009-10-08

PROCESS FOR THE PREPARATION OF ONIUM SALTS WITH ALKYL- OR ARYLSULFONATE ANIONS OR ALKYL- OR ARYLCARBOXYLATE ANIONS HAVING A LOW HALIDE CONTENT

#15
20090211449
2009-08-27

Method for separating gas

#16
20050113606
2005-05-26

Continuous production of chlorodifluoroacetyl fluoride via chlorotrifluoroethylene oxidation

#17
20050087434
2005-04-28

Method and apparatus for transforming chemical fluids using halogen or oxygen in a photo-treatment process