D04H 1/64 the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
Full Title
Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres > from fleeces or layers composed of fibres without existing or potential cohesive properties > by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives (in combination with needling D04H1/488) > the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
Filing statistics
CPC D04H 1/64 belongs to the parent subclass D04H, which recorded 43,145 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,849 in 2013 to 3,297 in 2023 (+16%), peaking at 5,062 applications in 2020. The most active applicants in class D04 are P&G (PROCTER & GAMBLE COMPANY) (1,303 applications), TORAY INDUSTRIES (899 applications) and KIMBERLY-CLARK CORPORATION (856 applications).
Source: EPO PATSTAT, worldwide filings
7 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- D04H 1/645 Impregnation followed by a solidification process
- D04H 1/655 characterised by the apparatus for applying bonding agents
- D04H 1/66 at spaced points or locations (D04H1/68 takes precedence)
- D04H 1/68 the bonding agent being applied in the form of foam
Top Applicants
Top 10 applicants by patent filingsfor class D04, 2013–2023, worldwide · Source: EPO PATSTAT
- P&G (PROCTER & GAMBLE COMPANY) US 1,303
- TORAY INDUSTRIES JP 899
- KIMBERLY-CLARK CORPORATION US 856
- NIKE INNOVATE US 852
- NIKE US 749
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 569
- SHIMA SEIKI MANUFACTURING JP 469
- SAINT-GOBAIN ISOVER FR 468
- REIFENHAEUSER & COMPANY MASCHINENFABRIK DE 462
- NIKE INNOVATE NL 363