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IPC Subgroup
C07C 43/3

Compounds having groups

Introduced: September 1968

Last revised: January 2006

Full Title

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

Classification Context

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

Related Keywords

ACETALS

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 ring 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 groups, X being hydrogen or metal

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