Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials (successively applying liquids or other fluent materials B05D1/36; drying ovens F26B)

Introduced: July 1974

Title

Titles differ between systems:

IPC: Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials

CPC: Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials (successively applying liquids or other fluent materials B05D1/36; drying ovens F26B)

Full Title

Full titles differ between systems:

IPC:

Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials

CPC:

Of 10 combined children, 7 exist in both systems.

3 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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B05D 3/002 +1 CPC CPC only CPC only
B05D 3/007 CPC only CPC only
B05D 3/02 by baking since 1974 +3 CPC IPC+CPC Available in IPC and CPC
B05D 3/04 by exposure to gases since 1974 +5 CPC IPC+CPC Available in IPC and CPC
B05D 3/06 by exposure to radiation (B05D3/02 takes precedence ) since 1974 +2 CPC IPC+CPC Available in IPC and CPC
B05D 3/08 by flames since 1974 IPC+CPC Available in IPC and CPC
B05D 3/10 by other chemical means since 1974 +5 CPC IPC+CPC Available in IPC and CPC
B05D 3/12 by mechanical means since 1974 IPC+CPC Available in IPC and CPC
B05D 3/14 by electrical means since 1974 +1 CPC IPC+CPC Available in IPC and CPC
B05D 3/20 +2 CPC CPC only CPC only

Top Applicants

Top Applicants (IPC)

Class B05,2013–2023, worldwide · Source: EPO PATSTAT

DUERR SYSTEMS DE 1,073
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 941
TOKYO ELECTRON JP 825
YOSHINO KOGYOSHO COMPANY 780
APTAR FRANCE FR 723
NORDSON CORPORATION US 704
LG ENERGY SOLUTION KR 606
GRACO MINNESOTA US 604
SCREEN HOLDINGS JP 592
BOEING COMPANY US 516

Top Applicants (CPC)

Class B05,2013–2023, worldwide · Source: EPO PATSTAT

3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,265
DUERR SYSTEMS DE 1,191
TOKYO ELECTRON JP 1,157
BASF COATINGS (BADISCHE ANILIN & SODA FABRIK COATINGS) DE 972
APTAR FRANCE FR 848
PPG INDUSTRIES OHIO US 838
P&G (PROCTER & GAMBLE COMPANY) US 763
NORDSON CORPORATION US 761
LG CHEM KR 695
GRACO MINNESOTA US 691