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IPC Subgroup
D06P 3/58

Material containing hydroxyl groups

Introduced: September 1968

Last revised: January 2006

Full Title

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 hydroxyl groups

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

Filing statistics

IPC D06P 3/58 belongs to the parent subclass D06P, which recorded 25,428 patent applications worldwide between 2013 and 2023. Annual filings declined from 1,964 in 2013 to 1,536 in 2023 (-22%), peaking at 3,341 applications in 2018. The most active applicants in class D06 are QINGDAO HAIER WASHING MACHINE COMPANY (10,520 applications), HAIER SMART HOME (8,532 applications) and LG ELECTRONICS (7,853 applications).

Source: EPO PATSTAT, worldwide filings

1 direct subcode

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class D06, 2013–2023, worldwide · Source: EPO PATSTAT

  1. QINGDAO HAIER WASHING MACHINE COMPANY 10,520
  2. HAIER SMART HOME 8,532
  3. LG ELECTRONICS KR 7,853
  4. WUXI LITTLE SWAN COMPANY 5,749
  5. QINGDAO HAIER WASHING MACHINE COMPANY CN 2,905
  6. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 2,785
  7. SAMSUNG ELECTRONICS COMPANY KR 2,662
  8. GREE ELECTRIC APPLIANCES 1,701
  9. PANASONIC INTELLECTUAL PROPERTY 1,391
  10. MIELE DE 1,374