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DIFF Subgroup
C07C 279/26

X and Y being nitrogen atoms, i.e. biguanides

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Derivatives of guanidine, i.e. compounds containing the group the singly-bound nitrogen atoms not being part of nitro or nitroso groups > containing any of the groups X being a hetero atom, Y being any atom, e.g. acylguanidines > Y being a hetero atom > X and Y being nitrogen atoms, i.e. biguanides

CPC:

Derivatives of guanidine, i.e. compounds containing the group [IMAGE cpc-sch-C07C-0970.gif], the singly-bound nitrogen atoms not being part of nitro or nitroso groups > containing any of the groups [IMAGE cpc-sch-C07C-0971.gif], X being a hetero atom, Y being any atom, e.g. acylguanidines > Y being a hetero atom > X and Y being nitrogen atoms, i.e. biguanides

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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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