B01J 27/0576 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

B01J 27/0576

Full Title

Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds > Sulfur, selenium or tellurium; Compounds thereof > Selenium or tellurium; Compounds thereof

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