DIFF Subgroup
D04H 1/42 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
Introduced: September 1968
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 > characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
IPC and CPC are identically structured here. All 9 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2012.
Child Classifications
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- D04H 1/4266 Natural fibres not provided for in group D04H1/425 since 2012 IPC+CPC Available in IPC and CPC
- D04H 1/4374 using different kinds of webs, e.g. by layering webs since 2012 IPC+CPC Available in IPC and CPC
- D04H 1/4382 Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather since 2012 +3 CPC IPC+CPC Available in IPC and CPC
- D04H 1/4391 characterised by the shape of the fibres since 2012 +4 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class D04,2013–2023, worldwide · Source: EPO PATSTAT
- P&G (PROCTER & GAMBLE COMPANY) US 887
- KIMBERLY-CLARK CORPORATION US 727
- TORAY INDUSTRIES JP 692
- NIKE US 633
- SEIKO EPSON CORPORATION 537
- TORAY INDUSTRIES 528
- NIKE INNOVATE US 522
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 479
- NATIONAL DONG HWA UNIVERSITY 439
- NINGBO CIXING COMPANY 425
Top Applicants (CPC)
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