CPC Main Group Additional Only
C01B 2203/00 Integrated processes for the production of hydrogen or synthesis gas
9 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C01B 2203/02 Processes for making hydrogen or synthesis gas
- C01B 2203/04 containing a purification step for the hydrogen or the synthesis gas
- C01B 2203/06 Integration with other chemical processes
- C01B 2203/08 Methods of heating or cooling
- C01B 2203/10 Catalysts for performing the hydrogen forming reactions
- C01B 2203/12 Feeding the process for making hydrogen or synthesis gas
- C01B 2203/14 Details of the flowsheet
- C01B 2203/16 Controlling the process
- C01B 2203/80 Aspect of integrated processes for the production of hydrogen or synthesis gas not covered by groups C01B2203/02 - C01B2203/1695
Top Applicants
Top 10 applicants by patent filingsfor class C01, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 4,293
- LG CHEM KR 3,317
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,219
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 2,154
- OMYA INTERNATIONAL CH 1,524
- PANASONIC INTELLECTUAL PROPERTY JP 1,362
- SAUDI ARABIAN OIL COMPANY SA 1,298
- SUMITOMO METAL MINING COMPANY JP 1,286
- CENTRAL SOUTH UNIVERSITY 1,243
- L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE FR 1,238