Compounds containing boron and oxygen (C01B35/06 takes precedence)

Introduced: July 1974

Title

Titles differ between systems:

IPC: Compounds containing boron and oxygen

CPC: Compounds containing boron and oxygen (C01B35/06 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Boron; Compounds thereof > Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium > Compounds containing boron and oxygen

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) > Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium > Compounds containing boron and oxygen (C01B35/06 takes precedence)

CPC subdivides this area 5x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

IPC defines codes here since 1974.

Child Classifications

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C01B 35/1009 CPC only CPC only
C01B 35/1018 CPC only CPC only
C01B 35/1027 +1 CPC CPC only CPC only
C01B 35/1045 +1 CPC CPC only CPC only
C01B 35/12 Borates since 1974 +4 CPC IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

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

Top Applicants (CPC)

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

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