CPC Subgroup
D01F 6/28 from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
Full Title
Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof > from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
7 direct subcodes
Child Classifications
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- D01F 6/30 comprising olefins as the major constituent
- D01F 6/32 comprising halogenated hydrocarbons as the major constituent
- D01F 6/34 comprising unsaturated alcohols, acetals or ketals as the major constituent
- D01F 6/36 comprising unsaturated carboxylic acids or unsaturated organic esters as the major constituent
- D01F 6/38 comprising unsaturated nitriles as the major constituent
- D01F 6/40 Modacrylic fibres, i.e. containing 35 to 85% acrylonitrile
- D01F 6/42 comprising cyclic compounds containing one carbon-to-carbon double bond in the side chain as major constituent
Top Applicants
Top 10 applicants by patent filingsfor class D01, 2013–2023, worldwide · Source: EPO PATSTAT
- TORAY INDUSTRIES JP 1,268
- MASCHINENFABRIK RIETER CH 1,200
- NATIONAL DONG HWA UNIVERSITY 955
- LENZING AT 602
- P&G (PROCTER & GAMBLE COMPANY) US 594
- WUHAN TEXTILE UNIVERSITY 494
- TRUETZSCHLER & COMPANY DE 453
- KOLON INDUSTRIES KR 433
- OERLIKON TEXTILE & COMPANY DE 430
- CHINESE ACADEMY OF SCIENCES 412