C07C63/333 - CPC Classification Index

ClassID:

92026 ⎘

C07C63/333 - CPC Classification

Classification description:

Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings; Polycyclic acids with all carboxyl groups bound to non-condensed rings 4,4' - Diphenyldicarboxylic acids

Recent Application in this class:

20200361845

2020-11-19

Preparation and Use of Biphenyldicarboxylic Acids

20200239389

2020-07-30

Separation method for halogenated unsaturated carbon compound

20180222823

2018-08-09

Separation method for halogenated unsaturated carbon compound

20150080545

2015-03-19

Production and use of 3,4' and 4,4'-dimethylbiphenyl isomers

20140234624

2014-08-21

Microporous coordination complex and method of making the same

20140200361

2014-07-17

Method for preparing porous organic-inorganic hybrid materials

20130136972

2013-05-30

Nonaqueous secondary battery electrode, nonaqueous secondary battery including the same, and assembled battery

20130053573

2013-02-28

2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS

20070185283

2007-08-09

Perdeuterated polyimides, their process of preparation and their use as materials which are transparent within the region from 2500 to 3500 cm

#10

20070185282

2007-08-09

Perdeuterated polyimides, their process of preparation and their use as materials which are transparent within the region from 2500 to 3500 cm-1

#11

20060058551

2006-03-16

Method of purifying aromatic polycarboxylic acid

#12

20050239973

2005-10-27

Perdeuterated polyiimides, their process of preparation and their use as materials which are transparent within the region from 2500 to 3500cm