Fertilisers producing carbon dioxide

Filing statistics

CPC C05D 7/00 belongs to the parent subclass C05D, which recorded 22,728 patent applications worldwide between 2013 and 2023. Annual filings grew from 638 in 2013 to 1,067 in 2023 (+67%), peaking at 4,473 applications in 2017. The most active applicants in class C05 are CHINESE ACADEMY OF SCIENCES (654 applications), BASF (BADISCHE ANILIN & SODA FABRIK) (452 applications) and YARA INTERNATIONAL (434 applications).

Source: EPO PATSTAT, worldwide filings