C07C63/337 - CPC Classification Index

ClassID:

92027 ⎘

C07C63/337 - CPC Classification

Classification description:

Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings; Polycyclic acids with carboxyl groups bound to condensed ring systems

Sub-classes:

C07C63/34 » containing two {condensed} rings 5
C07C63/42 » containing three or more {condensed} rings 1

Recent Application in this class:

20190035635

2019-01-31

Hardmask composition, method of forming pattern by using the hardmask composition, and hardmask formed using the hardmask composition