• All sections
• C - Chemistrymetallurgy
• C07C - Acyclic or carbocyclic compounds
• C07C 309/12 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing oxygen atoms bound to the carbon skeleton containing esterified hydroxy groups bound to the carbon skeleton

Patent holdings for IPC class C07C 309/12

Total number of patents in this class: 238

10-year publication summary

Principal owners for this class