D06M 13/224 Esters of carboxylic acids; Esters of carbonic acid
Full Title
Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds (D06M10/00, D06M14/00 take precedence; treatment with complexes of organic amines with inorganic substances D06M11/59); Such treatment combined with mechanical treatment > with compounds containing oxygen > Esters of carboxylic acids; Esters of carbonic acid
Filing statistics
CPC D06M 13/224 belongs to the parent subclass D06M, which recorded 58,384 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,831 in 2013 to 4,712 in 2023 (+66%), peaking at 7,298 applications in 2018. The most active applicants in class D06 are LG ELECTRONICS (7,955 applications), QINGDAO HAIER WASHING MACHINE COMPANY (7,190 applications) and HAIER SMART HOME (5,471 applications).
Source: EPO PATSTAT, worldwide filings
6 direct subcodes
Child Classifications
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- D06M 13/228 Cyclic esters, e.g. lactones
- D06M 13/232 Organic carbonates
- D06M 13/236 containing halogen atoms
- D06M 13/238 Tannins, e.g. gallotannic acids
Top Applicants
Top 10 applicants by patent filingsfor 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