IPC Subgroup
A61K 31/715 Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
Introduced: July 1974
Last revised: January 2006
Full Title
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
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
11 direct subcodes
Child Classifications
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- A61K 31/716 Glucans
- A61K 31/726 Glycosaminoglycans, i.e. mucopolysaccharides
- A61K 31/729 Agar; Agarose; Agaropectin
- A61K 31/731 Carrageenans
- A61K 31/732 Pectin
- A61K 31/733 Fructosans, e.g. inulin
- A61K 31/734 Alginic acid
- A61K 31/736 Glucomannans or galactomannans, e.g locust bean gum, guar gum
- A61K 31/737 Sulfated polysaccharides, e.g. chondroitin sulfate, dermatan sulfate
- A61K 31/738 Cross-linked polysaccharides
- A61K 31/739 Lipopolysaccharides
Top Applicants
Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 18,523
- NOVARTIS CH 14,253
- COVIDIEN US 13,953
- ROCHE CH 12,005
- CHINESE ACADEMY OF SCIENCES 11,955
- UNIVERSITY OF CALIFORNIA US 11,692
- HARVARD UNIVERSITY US 11,596
- L'OREAL FR 11,593
- P&G (PROCTER & GAMBLE COMPANY) US 11,297
- OLYMPUS CORPORATION JP 9,594