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CPC Subclass Not Allocatable
C12F

RECOVERY OF BY-PRODUCTS OF FERMENTED SOLUTIONS (removal of yeast from wine or sparkling wine C12G1/08); DENATURED ALCOHOL; PREPARATION THEREOF

Description

C12F covers processes and techniques for isolating, recovering, and purifying by-products generated during fermentation operations, including alcohols, organic acids, gases, and other valuable compounds. This classification also encompasses the preparation and denaturation of ethanol and other alcohols produced from fermented solutions. Applications include recovery of vinegar, glycerol, CO₂, and fusel oils from brewing, wine-making, and spirit production, as well as the industrial denaturation of alcohol for non-beverage uses.

Filing statistics

CPC subclass C12F recorded 1,143 patent applications worldwide between 2013 and 2023. Annual filings declined from 151 in 2013 to 91 in 2023 (-40%), peaking at 158 applications in 2020. The most active applicants in class C12 are HARVARD UNIVERSITY (8,321 applications), CHINESE ACADEMY OF SCIENCES (7,486 applications) and UNIVERSITY OF CALIFORNIA (7,320 applications).

Source: EPO PATSTAT, worldwide filings

2 direct subcodes

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Top Applicants

Top 10 applicants by patent filingsfor class C12, 2013–2023, worldwide · Source: EPO PATSTAT

  1. HARVARD UNIVERSITY US 8,321
  2. CHINESE ACADEMY OF SCIENCES 7,486
  3. UNIVERSITY OF CALIFORNIA US 7,320
  4. REGENERON PHARMACEUTICALS US 5,003
  5. INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 4,292
  6. UNIVERSITY OF PENNSYLVANIA US 4,213
  7. CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 4,113
  8. JIANGNAN UNIVERSITY 3,961
  9. ROCHE CH 3,792
  10. ILLUMINA US 3,692