Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Main Group
C01B 35/00

Boron; Compounds thereof (monoborane, diborane, metal borohydrides or addition complexes thereof C01B6/00; perborates C01B15/12; binary compounds with nitrogen C01B21/06; ; phosphides C01B25/08; carbides C01B32/991; alloys containing boron C22)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Boron; Compounds thereof

CPC: Boron; Compounds thereof (monoborane, diborane, metal borohydrides or addition complexes thereof C01B6/00; perborates C01B15/12; binary compounds with nitrogen C01B21/06; ; phosphides C01B25/08; carbides C01B32/991; alloys containing boron C22)

Full Title

Full titles differ between systems:

IPC:

Boron; Compounds thereof

CPC:

Boron; Compounds thereof (monoborane, diborane, metal borohydrides or addition complexes thereof C01B6/00; perborates C01B15/12; binary compounds with nitrogen C01B21/06; ; phosphides C01B25/08; carbides C01B32/991; alloys containing boron C22)

Of 5 combined children, 3 exist in both systems.

2 codes exist only in IPC.

IPC defines codes here since 1974.

Child Classifications

Navigate with arrow keys, Enter to open

  • C01B 35/16 Compounds containing direct bonding between two boron atoms, e.g. ClB—BCl since 1974 IPC only IPC only
  • C01B 35/18 Compounds containing three or more boron atoms, e.g. NaBH, MgBBr since 1974 IPC only IPC only

Top Applicants

Top Applicants (IPC)

Class C01,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 5,794
  2. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 3,286
  3. LG CHEM KR 2,689
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,669
  5. CENTRAL SOUTH UNIVERSITY 1,531
  6. KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 1,252
  7. SUMITOMO METAL MINING COMPANY JP 1,073
  8. ZHEJIANG UNIVERSITY 1,061
  9. PANASONIC INTELLECTUAL PROPERTY JP 1,058
  10. PANASONIC INTELLECTUAL PROPERTY 1,038

Top Applicants (CPC)

Class C01,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 4,293
  2. LG CHEM KR 3,317
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,219
  4. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 2,154
  5. OMYA INTERNATIONAL CH 1,524
  6. PANASONIC INTELLECTUAL PROPERTY JP 1,362
  7. SAUDI ARABIAN OIL COMPANY SA 1,298
  8. SUMITOMO METAL MINING COMPANY JP 1,286
  9. CENTRAL SOUTH UNIVERSITY 1,243
  10. L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE FR 1,238