C09K19/3441 - CPC Classification Index

ClassID:

104784 ⎘

C09K19/3441 - CPC Classification

Classification description:

Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit; Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom

Sub-classes:

C09K19/3444 » {the heterocyclic ring being a six-membered aromatic ring containing one nitrogen atom, e.g. pyridine} 112
C09K19/345 » {the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms} 13
C09K19/3475 » {the heterocyclic ring being a six-membered aromatic ring containing at least three nitrogen atoms} 45
C09K19/3477 » {the heterocyclic ring being a five-membered aromatic ring containing at least one nitrogen atom} 61
C09K19/3483 » {the heterocyclic ring being a non-aromatic ring} 71
C09K19/3488 » {the heterocyclic ring having more than 6 members, e.g. macrocycles, phthalocyanines} 37

Recent Application in this class:

20200165521

2020-05-28

Copolymer for liquid crystal alignment agent, liquid crystal alignment agent including the same, and liquid crystal alignment film and liquid crystal display device using the same