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CPC Subclass Not Allocatable
C40B

COMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES (in silico combinatorial libraries of nucleic acids, proteins or peptides G16B35/00; in silico combinatorial chemistry G16C20/60)

Description

C40B covers synthetic methods and technologies for generating large collections of chemical compounds in a systematic manner, including libraries of small molecules, peptides, proteins, and other organic substances. This classification encompasses solid-phase synthesis techniques, split-and-mix strategies, parallel synthesis approaches, and automated synthesis platforms designed to rapidly produce diverse compound collections for screening purposes. It includes methods for library design, encoding schemes, and techniques for identifying active compounds from mixtures, typically applied in drug discovery and materials science. Adjacent classes C40A addresses combinatorial technology in general, while specific chemical synthesis methods are classified elsewhere in the C chemistry range depending on the compound type and reaction chemistry involved.

9 direct subcodes

Child Classifications

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  • C40B 10/00 Directed molecular evolution of macromolecules, e.g. RNA, DNA or proteins
  • C40B 70/00 Tags or labels specially adapted for combinatorial chemistry or libraries, e.g. fluorescent tags or bar codes
  • C40B 80/00 Linkers or spacers specially adapted for combinatorial chemistry or libraries, e.g. traceless linkers or safety-catch linkers
  • C40B 99/00 Subject matter not provided for in other groups of this subclass

Top Applicants

Top 10 applicants by patent filingsfor class C40, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ILLUMINA US 322
  2. HARVARD UNIVERSITY US 254
  3. UNIVERSITY OF CALIFORNIA US 205
  4. TWIST BIOSCIENCE CORPORATION US 187
  5. ILLUMINA CAMBRIDGE GB 173
  6. CHUGAI PHARMACEUTICAL JP 144
  7. STANFORD UNIVERSITY US 133
  8. CJ CHEILJEDANG CORPORATION KR 102
  9. MGI TECH COMPANY CN 95
  10. 10X GENOMICS US 94