ClassID:

90735

C07C7/06 - CPC Classification

Classification description:

Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by azeotropic distillation

Recent Application in this class:
#1
20230348344
2023-11-02

SEPARATION OF CARBON DIOXIDE AND SULFUROUS MATERIALS FROM GASEOUS MIXTURES

#2
20220306948
2022-09-29

METHOD FOR PROCESSING A GASEOUS COMPOSITION

#3
20220298088
2022-09-22

Process of preparing alcohols

#4
20220259120
2022-08-18

Method for producing 1,3-butadiene

#5
20190300470
2019-10-03

Method for producing and purifying 1,3-butadiene

#6
20190247766
2019-08-15

Thermally integrated distillation systems and processes using the same

#7
20190161419
2019-05-30

Conversion of butanediol into butadiene, with scrubbing using diesters

#8
20190016650
2019-01-17

Method for preparing 1,3-butadiene from n-butenes by oxidative dehydrogenation

#9
20170240490
2017-08-24

Process for the separation of ethylbenzene

#10
20170240489
2017-08-24

Separation process for C8 aromatics mixture

#11
20160251281
2016-09-01

Method of recovering 1,3-butadiene and methylethylketone from dehydration products of 2,3-butanediol

#12
20150225312
2015-08-13

Process for the separation of Chydrocarbons present in streams prevalently containing Cproducts used for the production of high-octane hydrocarbon compounds by the selective dimerization of isobutene

#13
20150191403
2015-07-09

Method for purifying 1,3-butadiene

#14
20130237739
2013-09-12

Method for joint production of low octane number gasoline and high octane number gasoline

#15
20120233920
2012-09-20

Separation of light hydrocarbons and sour species from a sour gas

#16
20120149960
2012-06-14

Production of styrene from ethylbenzene using azeotropic vaporization and low overall water to ethylbenzene ratios

#17
20120116140
2012-05-10

Work-up of a 3-methyl-1-butene-containing mixture

#18
20100197988
2010-08-05

Method for separating and producing cyclohexene

#19
20080300439
2008-12-04

Process for the Separation of C5 Hydrocarbons Present in Streams Prevalently Containing C4 Products Used for the Production of Highoctane Hydrocarbon Compounds By the Se-Lective Dimerization of Isobutene