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PCE
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CPC Subgroup
C07C 43/30

Compounds having [IMAGE cpc-sch-C07C-0958.gif] groups

Full Title

Ethers; Compounds having [IMAGE cpc-sch-C07C-0958.gif] groups,[IMAGE cpc-sch-C07C-0959.gif] groups or[IMAGE cpc-sch-C07C-0960.gif] groups > Compounds having [IMAGE cpc-sch-C07C-0958.gif] groups

6 direct subcodes

Child Classifications

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  • C07C 43/303 having acetal carbon atoms bound to acyclic carbon atoms
  • C07C 43/305 having acetal carbon atoms as rings members or bound to carbon atoms of rings other than six-membered aromatic rings
  • C07C 43/307 having acetal carbon atoms bound to carbon atoms of six-membered aromatic rings
  • C07C 43/313 containing halogen
  • C07C 43/315 containing oxygen atoms singly bound to carbon atoms not being acetal carbon atoms
  • C07C 43/317 having [IMAGE cpc-sch-C07C-0961.gif] groups, X being hydrogen or metal

Top Applicants

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

  1. ROCHE CH 12,683
  2. NOVARTIS CH 10,775
  3. CHINESE ACADEMY OF SCIENCES 10,619
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
  5. REGENERON PHARMACEUTICALS US 8,426
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,979
  7. LG CHEM KR 7,978
  8. HARVARD UNIVERSITY US 7,706
  9. UNIVERSITY OF CALIFORNIA US 7,455
  10. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219