IPC Subgroup
C13B 20/02 using alkaline earth metal compounds
Introduced: January 2011
Full Title
Purification of sugar juices > using alkaline earth metal compounds
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- SUGAR INDUSTRY
- Subclass:
- PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
1 direct subcode
Child Classifications
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- C13B 20/04 followed by saturation
Top Applicants
Top 10 applicants by patent filingsfor class C13, 2013–2023, worldwide · Source: EPO PATSTAT
- XYLECO US 138
- TORAY INDUSTRIES JP 118
- GUANGXI UNIVERSITY 97
- API INTELLECTUAL PROPERTY HOLDINGS US 62
- CHINESE ACADEMY OF SCIENCES 59
- NOVOZYMES DK 55
- UPM-KYMMENE CORPORATION FI 51
- VERSALIS IT 51
- ZHEJIANG HUAKANG PHARMACEUTICAL COMPANY 51
- CARGILL US 50