C07C309/34 - CPC Classification Index

ClassID:

93361 ⎘

C07C309/34 - 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 of six-membered aromatic rings being part of condensed ring systems formed by two rings

Sub-classes:

C07C309/35 » Naphthalene sulfonic acids 56

Recent Application in this class:

20180057451

2018-03-01

Alkylaromatic sulfonate compositions from mixed hydrocarbons