CPC Subgroup
A61K 6/849 comprising inorganic cements
Full Title
Preparations for dentistry > Preparations for artificial teeth, for filling teeth or for capping teeth > comprising inorganic cements
Filing statistics
CPC A61K 6/849 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
15 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- A61K 6/851 Portland cements
- A61K 6/853 Silicates
- A61K 6/856 Pozzolans
- A61K 6/858 Calcium sulfates, e.g, gypsum
- A61K 6/86 Al-cements
- A61K 6/862 Ca-Al-sulfate-cements
- A61K 6/864 Phosphate cements (apatite A61K6/838)
- A61K 6/867 Ammonium cements
- A61K 6/869 Zeolites
- A61K 6/871 Quartz; SiO2
- A61K 6/873 Carbonates
- A61K 6/876 Calcium oxide
- A61K 6/878 Zirconium oxide
- A61K 6/88 Chromium oxide
- A61K 6/882 Carbides
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