ClassID:

93373

C07C309/47 - 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 having at least one of the sulfo groups bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system

Recent Application in this class:
#1
20250295612
2025-09-25

NOVEL AMYLOID-BETA AGGREGATE DEGRADER AND BRAIN-TARGETING DRUG DELIVERY SYSTEM USING SAME

#2
20250136544
2025-05-01

8-((4-HYDROXY-3-METHYLPHENYL)DIAZENYL)NAPHTHALENE-1,3-DISULFONIC ACID AS AN ANTIMICROBIAL COMPOUND

#3
20250136543
2025-05-01

8-[(2-HYDROXYNAPHTHALEN-1-YL)DIAZENYL]NAPHTHALENE-1,3-DISULFONIC ACID AS AN ANTIOXIDANT COMPOUND

#4
20200277256
2020-09-03

Selective ship inhibitors for treating disease

#5
20200239413
2020-07-30

Electrolytes for electrochemical generator

#6
20180290969
2018-10-11

Stabilizer and stabilization method

#7
20180261886
2018-09-13

Electrolyte for electrochemical generator

#8
20180222855
2018-08-09

Hydrazinyl and aminooxy compounds and their methods of use

#9
20170369431
2017-12-28

Hydrazinyl and aminooxy compounds and their methods of use

#10
20160296556
2016-10-13

Inhibitors of ERCC1-XPF and methods of using the same

#11
20160103362
2016-04-14

Azo Compound and Salt Thereof, And Dye-Based Polarizing Film And Polarizing Plate Containing The Same

#12
20130184241
2013-07-18

Naphthalene derivative

#13
20120123026
2012-05-17

Functionalized compositions for improved immobilization

#14
20110097735
2011-04-28

Fluorescent pyrene compounds

#15
20110076266
2011-03-31

Synergistic pharmaceutical composition useful for inhibiting corneal and retinal neovascularization (angiogenesis), and in other organs, in a human being or animals

#16
20100152081
2010-06-17

Fluorosurfactants

#17
20080103061
2008-05-01

Functionalized compositions for improved immobilization

#18
20080087549
2008-04-17

Additive For Copper Plating And Process For Producing Electronic Circiut Substrate Therewith

#19
20080076188
2008-03-27

Luminescent compounds

#20
20060160901
2006-07-20

Method for selective targeting of apoptotic cells and small molecule ligands used thereof

#21
18611685
2024-12-31

8-((4-hydroxy-3-methoxyphenyl)diazenyl)naphthalene-1,3-disulfonic acid as an antioxidant compound

#22
18496822
2024-02-27

8-(2-hydroxybenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound

#23
18385853
2024-03-19

8-((2-hydroxy-5-methylphenyl)diazenyl)naphthalene-1,3-disulfonic acid as an antioxidant compound

#24
18385808
2024-05-07

8-((4-hydroxy-3-methylphenyl)diazenyl)naphthalene-1,3-disulfonic acid as an antioxidant compound

#25
18385648
2024-03-19

8-(3-bromobenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound

#26
18385586
2024-03-12

8-(4-nitroxybenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound

#27
18385578
2025-04-01

Acid as an antioxidant compound

#28
18385535
2024-05-21

8-(4-bromobenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound

#29
18385216
2024-04-30

8-(3-chlorobenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound

#30
18385147
2024-04-30

8-(4-chlorobenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound

#31
18385043
2024-04-02

8-(3-flurobenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound

#32
18384771
2025-04-01

8-((3-formyl-4-hydroxyphenyl)diazenyl)naphthalene-1,3-disulfonic acid as an antioxidant compound