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PCE
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DIFF Subgroup
C12P 19/30

Nucleotides

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Preparation of compounds containing saccharide radicals > Preparation of nitrogen-containing carbohydrates > N-glycosides > Nucleotides

CPC:

Preparation of compounds containing saccharide radicals (ketoaldonic acids C12P7/58) > Preparation of nitrogen-containing carbohydrates > N-glycosides > Nucleotides

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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  • C12P 19/305 CPC only CPC only
  • C12P 19/32 having a condensed ring system containing a six-membered ring having two N-atoms in the same ring, e.g. purine nucleotides, nicotineamide-adenine dinucleotide since 1980 IPC+CPC Available in IPC and CPC
  • C12P 19/34 Polynucleotides, e.g. nucleic acids, oligoribonucleotides since 1980 IPC+CPC Available in IPC and CPC
  • C12P 19/36 Dinucleotides, e.g. nicotineamide-adenine dinucleotide phosphate since 1980 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C12,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 10,330
  2. HARVARD UNIVERSITY US 7,308
  3. UNIVERSITY OF CALIFORNIA US 6,383
  4. JIANGNAN UNIVERSITY 5,144
  5. MONSANTO TECHNOLOGY US 4,121
  6. PIONEER HI-BRED INTERNATIONAL US 3,630
  7. REGENERON PHARMACEUTICALS US 3,515
  8. CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 3,499
  9. INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 3,371
  10. CJ CHEILJEDANG CORPORATION KR 3,361

Top Applicants (CPC)

Class C12,2013–2023, worldwide · Source: EPO PATSTAT

  1. HARVARD UNIVERSITY US 8,321
  2. CHINESE ACADEMY OF SCIENCES 7,486
  3. UNIVERSITY OF CALIFORNIA US 7,320
  4. REGENERON PHARMACEUTICALS US 5,003
  5. INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 4,292
  6. UNIVERSITY OF PENNSYLVANIA US 4,213
  7. CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 4,113
  8. JIANGNAN UNIVERSITY 3,961
  9. ROCHE CH 3,792
  10. ILLUMINA US 3,692