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IPC Main Group
C12N 1/00

Microorganisms; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor

Introduced: January 1980

Last revised: January 2006

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
Subclass:
MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA

Related Keywords

mutants or genetically-engineered organisms per sepreparing PROTEINS by microbiological processesSTERILISING of yeastfood or fodder YEASTYEAST production

15 direct subcodes

Child Classifications

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  • C12N 1/02 Separating microorganisms from their culture media
  • C12N 1/04 Preserving or maintaining viable microorganisms
  • C12N 1/08 Reducing the nucleic acid content
  • C12N 1/22 Processes using, or culture media containing, cellulose or hydrolysates thereof
  • C12N 1/24 Processes using, or culture media containing, waste sulfite liquor
  • C12N 1/32 Processes using, or culture media containing, lower alkanols, i.e. C to C
  • C12N 1/34 Processes using foam culture
  • C12N 1/36 Adaptation or attenuation of cells
  • C12N 1/38 Chemical stimulation of growth or activity by addition of chemical compounds which are not essential growth factors; Stimulation of growth by removal of a chemical compound

Top Applicants

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

  1. CHINESE ACADEMY OF SCIENCES 10,330
  2. HARVARD UNIVERSITY US 7,308
  3. UNIVERSITY OF CALIFORNIA US 6,383
  4. JIANGNAN UNIVERSITY 5,144
  5. MONSANTO TECHNOLOGY US 4,121
  6. PIONEER HI-BRED INTERNATIONAL US 3,630
  7. REGENERON PHARMACEUTICALS US 3,515
  8. CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 3,499
  9. INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 3,371
  10. CJ CHEILJEDANG CORPORATION KR 3,361