C01B31/28 - CPC Classification Index

ClassID:

84944 ⎘

C01B31/28 - CPC Classification

Classification description:

Recent Application in this class:

20170274346

2017-09-28

Method for phosgenating compounds containing hydroxyl, thiol, amino and/or formamide groups

20170274341

2017-09-28

Method for the phosgenation of compounds comprising hydroxyl, thiol, amino and/or formamide groups

20170101367

2017-04-13

Method for operating a gas-phase phosgenation plant

20170008771

2017-01-12

Process for extracting phosgene

20170001943

2017-01-05

Method for producing carbonates

20160347701

2016-12-01

Method for producing carbonates

20160340196

2016-11-24

Method for starting up and shutting down a phosgene generator

20160207779

2016-07-21

Method and apparatus for producing high purity phosgene

20160176715

2016-06-23

Method and apparatus for producing high purity phosgene

#10

20160168085

2016-06-16

Methods and compositions for making an amino acid triisocyanate

#11

20160137511

2016-05-19

Catalyst for preparing phosgene and method for preparing phosgene using the same

#12

20150197488

2015-07-16

Methods and compositions for making an amino acid triisocyanate

#13

20150165407

2015-06-18

Device and method for producing phosgene

#14

20140147373

2014-05-29

Process to separate phosgene and hydrogen chloride from a fluid stream comprising phosgene and hydrogen chloride

#15

20130303803

2013-11-14

Method for purifying a chlorine supply

#16

20130072717

2013-03-21

Reactor and process for preparing phosgene

#17

20120108843

2012-05-03

Process for the preparation of light-colored iocyanates of a diphenylmethanediisocyanate series

#18

20110319662

2011-12-29

Method for producing phosgene

#19

20110288334

2011-11-24

Reactor and process for preparing phosgene