IPC Subgroup
D06P 1/642 Compounds containing nitrogen
Introduced: July 1974
Last revised: January 2006
Full Title
General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed > using insoluble pigments or auxiliary substances, e.g. binders > using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups > Compounds containing nitrogen
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- Subclass:
- DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
3 direct subcodes
Child Classifications
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- D06P 1/645 Aliphatic, araliphatic or cycloaliphatic compounds containing amino groups
- D06P 1/647 Nitrogen-containing carboxylic acids or their salts
- D06P 1/649 Compounds containing carbonamide, thiocarbonamide or guanyl groups
Top Applicants
Top 10 applicants by patent filingsfor 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