IPC Subgroup
C06F 3/02 Wooden strip for matches or substitute therefor
Introduced: September 1968
Last revised: January 2006
Full Title
Chemical features in the manufacture of matches > Wooden strip for matches or substitute therefor
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- EXPLOSIVES; MATCHES
- Subclass:
- MATCHES; MANUFACTURE OF MATCHES
1 direct subcode
Child Classifications
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- C06F 3/04 Chemical treatment before or after dipping, e.g. dyeing, impregnating
Top Applicants
Top 10 applicants by patent filingsfor class C06, 2013–2023, worldwide · Source: EPO PATSTAT
- XIAN MODERN CHEMISTRY RESEARCH INSTITUTE 390
- BEIJING INSTITUTE OF TECHNOLOGY 338
- INST. OF CHEMICAL MATERIAL, CHINA ACADEMY OF ENGINEERING PHYSICS 275
- HUBEI INSTITUTE OF AEROSPACE CHEMOTECHNOLOGY 232
- NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 176
- AGENCY FOR DEFENSE DEVELOPMENT KR 112
- NORTH UNIVERSITY OF CHINA 91
- DYNO NOBEL ASIA PACIFIC AU 91
- NANJING UNIVERSITY OF SCIENCE & TECHNOLOGY 86
- BAE SYSTEMS GB 84