C09B13/00 - CPC Classification Index

ClassID:

101952 ⎘

C09B13/00 - CPC Classification

Classification description:

Oxyketone dyes

Sub-classes:

C09B13/02 » of the naphthalene series, e.g. naphthazarin 10
C09B13/04 » of the pyrene series 0
C09B13/06 » of the acetophenone series 4

Recent Application in this class:

20170246323

Pyrrolidone derivatives, oligomers and polymers

20170009052

IMPROVED CHEMICAL COMPOUNDS THAT UNDERGO REVERSIBLE CHANGES IN PROPERTIES AND USES THEREOF

20150274975

Phenyl xanthene dyes

20140242665

Phenyl xanthene dyes

20140234238

Benzodioxepin-3-one compounds as dyes or as fluorescent emitters

20090172899

Phenyl xanthene dyes