DIFF Subgroup
D06P 3/02 Material containing basic nitrogen
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Special processes of dyeing or printing textiles or dyeing leather, furs or solid macromolecular substances in any form, classified according to the material treated > Material containing basic nitrogen
CPC:
Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated > Material containing basic nitrogen
CPC subdivides this area 9x more granularly than IPC with 8 additional codes.
8 codes are CPC-only extensions.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class D06,2013–2023, worldwide · Source: EPO PATSTAT
- QINGDAO HAIER WASHING MACHINE COMPANY 10,520
- HAIER SMART HOME 8,532
- LG ELECTRONICS KR 7,853
- WUXI LITTLE SWAN COMPANY 5,749
- QINGDAO HAIER WASHING MACHINE COMPANY CN 2,905
- BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 2,785
- SAMSUNG ELECTRONICS COMPANY KR 2,662
- GREE ELECTRIC APPLIANCES 1,701
- PANASONIC INTELLECTUAL PROPERTY 1,391
- MIELE DE 1,374
Top Applicants (CPC)
Class D06,2013–2023, worldwide · Source: EPO PATSTAT
- LG ELECTRONICS KR 7,955
- QINGDAO HAIER WASHING MACHINE COMPANY 7,190
- HAIER SMART HOME 5,471
- QINGDAO HAIER WASHING MACHINE COMPANY CN 2,962
- BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 2,870
- WUXI LITTLE SWAN COMPANY 2,869
- SAMSUNG ELECTRONICS COMPANY KR 2,731
- MIELE DE 1,371
- WHIRLPOOL CORPORATION US 1,285
- ELECTROLUX APPLIANCES SE 1,261