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CPC Main Group
C05C 7/00

Fertilisers containing calcium or other cyanamides

Filing statistics

CPC C05C 7/00 belongs to the parent subclass C05C, which recorded 18,890 patent applications worldwide between 2013 and 2023. Annual filings grew from 603 in 2013 to 834 in 2023 (+38%), peaking at 3,406 applications in 2016. 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

1 direct subcode

Child Classifications

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  • C05C 7/02 Granulation (apparatus B01J2/00); Pelletisation; Degassing; Hydrating; Hardening; Stabilisation; Oiling

Top Applicants

Top 10 applicants by patent filingsfor class C05, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 654
  2. BASF (BADISCHE ANILIN & SODA FABRIK) DE 452
  3. YARA INTERNATIONAL NO 434
  4. SHANDONG SUNWAY LANDSCAPE TECHNOLOGY COMPANY 315
  5. SHENZHEN BATIAN ECOTYPIC ENGINEERING COMPANY 253
  6. GUIZHOU UNIVERSITY 251
  7. GUILIN JIEYU ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY COMPANY 236
  8. GUANGXI ACADEMY OF AGRICULTURAL SCIENCES 205
  9. CHINA AGRICULTURAL UNIVERSITY 197
  10. KOCH AGRONOMIC SERVICES US 194