Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
C07C 309/09

containing etherified hydroxy groups bound to the carbon skeleton

Introduced: January 1990

Last revised: January 2006

Full Title

Sulfonic acids; Halides, esters, or anhydrides thereof > 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 etherified hydroxy groups bound to the carbon skeleton

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
ORGANIC CHEMISTRY
Subclass:
ACYCLIC OR CARBOCYCLIC COMPOUNDS

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • C07C 309/1 with the oxygen atom of at least one of the etherified hydroxy groups further bound to an acyclic carbon atom
  • C07C 309/11 with the oxygen atom of at least one of the etherified hydroxy groups further bound to a carbon atom of a six-membered aromatic ring

Top Applicants

Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 12,697
  2. ROCHE CH 11,347
  3. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
  4. NOVARTIS CH 9,356
  5. BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,320
  7. LG CHEM KR 7,245
  8. REGENERON PHARMACEUTICALS US 6,816
  9. HARVARD UNIVERSITY US 6,190
  10. GENENTECH US 5,922