DIFF Main Group
C13K 3/00 Invert sugar; Separation of glucose or fructose from invert sugar
Introduced: September 1968
No child classifications to compare. This is a leaf node in both IPC and CPC.
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