C07C309/53 - CPC Classification Index

ClassID:

93379 ⎘

C07C309/53 - CPC Classification

Classification description:

Sulfonic acids; Halides, esters, or anhydrides thereof; Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton the carbon skeleton being further substituted by doubly-bound oxygen atoms the carbon skeleton containing carbon atoms of quinone rings

Sub-classes:

C07C309/54 » at least one of the nitrogen atoms being part of any of the groups , X being a hetero atom, Y being any atom 1

Recent Application in this class:

20170045484

2017-02-16

Carbon dioxide chemical sensor having amino acid-based compound and carbon dioxide detection method using the same

20160243066

2016-08-25

Anthraquinone compounds and their uses

20130296588

2013-11-07

Anthraquinone Compounds and Their Uses

20100210654

2010-08-19

NOVEL P2Y12 RECEPTOR ANTAGONISTS