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PCE
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IPC Subgroup
C12P 13/04

Alpha- or beta-amino acids

Introduced: January 1980

Last revised: January 2006

Full Title

Preparation of nitrogen-containing organic compounds > Alpha- or beta-amino acids

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
Subclass:
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE

Related Keywords

preparing AMINO carboxylic acids by microbiological processes

8 direct subcodes

Child Classifications

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  • C12P 13/06 Alanine; Leucine; Isoleucine; Serine; Homoserine
  • C12P 13/08 Lysine; Diaminopimelic acid; Threonine; Valine
  • C12P 13/1 Citrulline; Arginine; Ornithine
  • C12P 13/12 Methionine; Cysteine; Cystine
  • C12P 13/2 Aspartic acid; Asparagine
  • C12P 13/22 Tryptophan; Tyrosine; Phenylalanine; 3,4-Dihydroxyphenylalanine
  • C12P 13/24 Proline; Hydroxyproline; Histidine

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