DIFF Subgroup
C13B 20/16 by physical means, e.g. osmosis or filtration
Introduced: January 2011
Full Title
Purification of sugar juices > by physical means, e.g. osmosis or filtration
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class C13,2013–2023, worldwide · Source: EPO PATSTAT
- XYLECO US 394
- TORAY INDUSTRIES JP 142
- API INTELLECTUAL PROPERTY HOLDINGS US 128
- XYLECO 126
- NOVOZYMES DK 119
- UPM-KYMMENE CORPORATION FI 97
- IFPEN (IFP ENERGIES NOUVELLES) FR 87
- SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 75
- GUANGXI UNIVERSITY 66
- VIRDIA US 63