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PCE
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DIFF Subgroup
C07C 43/30

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

Introduced: September 1968

Title

Titles differ between systems:

IPC: Compounds having groups

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

Full Title

Full titles differ between systems:

IPC:

Ethers; Compounds having groups, groups or groups > Compounds having groups

CPC:

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

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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  • C07C 43/303 having acetal carbon atoms bound to acyclic carbon atoms since 1980 IPC+CPC Available in IPC and CPC
  • C07C 43/305 having acetal carbon atoms as rings members or bound to carbon atoms of rings other than six-membered aromatic rings since 1980 IPC+CPC Available in IPC and CPC
  • C07C 43/307 having acetal carbon atoms bound to carbon atoms of six-membered aromatic rings since 1980 IPC+CPC Available in IPC and CPC
  • C07C 43/313 containing halogen since 1980 IPC+CPC Available in IPC and CPC
  • C07C 43/315 containing oxygen atoms singly bound to carbon atoms not being acetal carbon atoms since 1980 IPC+CPC Available in IPC and CPC
  • C07C 43/317 having [IMAGE cpc-sch-C07C-0961.gif] groups, X being hydrogen or metal since 1980 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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