C07C309/40 - CPC Classification Index

ClassID:

93366 ⎘

C07C309/40 - 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 nitro or nitroso groups bound to the carbon skeleton

Recent Application in this class:

20170174516

2017-06-22

Titanium ligand-modified black phosphorus and preparation method and use thereof

20170123314

2017-05-04

Thermal acid generators and photoresist pattern trimming compositions and methods

20160187783

2016-06-30

Photoresist pattern trimming compositions and methods

20160040013

2016-02-11

Colored composition

20160016905

2016-01-21

Stilbazolium derivative and nonlinear optical material using the same

20090181319

2009-07-16

AROMATIC FLUORINE-FREE PHOTOACID GENERATORS AND PHOTORESIST COMPOSITIONS CONTAINING THE SAME

20090076300

2009-03-19

Method for immobilizing compound onto column carrier