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
Full Title
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
Filing statistics
CPC A61K 31/715 belongs to the parent subclass A61K, which recorded 1,717,491 patent applications worldwide between 2013 and 2023. Annual filings grew from 114,681 in 2013 to 125,843 in 2023 (+10%), peaking at 182,901 applications in 2016. The most active applicants in class A61 are PHILIPS ELECTRONICS (20,621 applications), NOVARTIS (15,792 applications) and ROCHE (14,303 applications).
Source: EPO PATSTAT, worldwide filings
11 direct subcodes
Child Classifications
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- A61K 31/716 Glucans
- A61K 31/726 Glycosaminoglycans, i.e. mucopolysaccharides (chondroitin sulfate, dermatan sulfate A61K31/737)
- 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 (A61K31/727 takes precedence)
- 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 20,621
- NOVARTIS CH 15,792
- ROCHE CH 14,303
- COVIDIEN US 13,862
- HARVARD UNIVERSITY US 13,454
- UNIVERSITY OF CALIFORNIA US 12,798
- P&G (PROCTER & GAMBLE COMPANY) US 12,140
- L'OREAL FR 11,800
- OLYMPUS CORPORATION JP 9,894
- BOSTON SCIENTIFIC SCIMED US 9,513