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PCE
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DIFF Subgroup
A61K 31/716

Glucans

Introduced: January 2000

Full Title

Full titles differ between systems:

IPC:

Medicinal preparations containing organic active ingredients > Carbohydrates; Sugars; Derivatives thereof > Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters > Glucans

CPC:

Medicinal preparations containing organic active ingredients > Carbohydrates; Sugars; Derivatives thereof (sorbitol A61K31/047) > Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters > Glucans

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2000.

Child Classifications

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  • A61K 31/717 Celluloses since 2000 IPC+CPC Available in IPC and CPC
  • A61K 31/718 Starch or degraded starch, e.g. amylose, amylopectin since 2000 IPC+CPC Available in IPC and CPC
  • A61K 31/719 Pullulans since 2000 IPC+CPC Available in IPC and CPC
  • A61K 31/721 Dextrans since 2000 IPC+CPC Available in IPC and CPC
  • A61K 31/722 Chitin, chitosan since 2000 IPC+CPC Available in IPC and CPC
  • A61K 31/723 Xanthans since 2000 IPC+CPC Available in IPC and CPC
  • A61K 31/724 Cyclodextrins since 2000 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A61,2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 18,523
  2. NOVARTIS CH 14,253
  3. COVIDIEN US 13,953
  4. ROCHE CH 12,005
  5. CHINESE ACADEMY OF SCIENCES 11,955
  6. UNIVERSITY OF CALIFORNIA US 11,692
  7. HARVARD UNIVERSITY US 11,596
  8. L'OREAL FR 11,593
  9. P&G (PROCTER & GAMBLE COMPANY) US 11,297
  10. OLYMPUS CORPORATION JP 9,594

Top Applicants (CPC)

Class A61,2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 20,621
  2. NOVARTIS CH 15,792
  3. ROCHE CH 14,303
  4. COVIDIEN US 13,862
  5. HARVARD UNIVERSITY US 13,454
  6. UNIVERSITY OF CALIFORNIA US 12,798
  7. P&G (PROCTER & GAMBLE COMPANY) US 12,140
  8. L'OREAL FR 11,800
  9. OLYMPUS CORPORATION JP 9,894
  10. BOSTON SCIENTIFIC SCIMED US 9,513