CPC Subgroup
D01F 2/08 Composition of the spinning solution or the bath
Full Title
Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof > from viscose > Composition of the spinning solution or the bath
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- D01F 2/10 Addition to the spinning solution or spinning bath of substances which exert their effect equally well in either
- D01F 2/12 Addition of delustering agents to the spinning solution
- D01F 2/16 Addition of dyes to the spinning solution
- D01F 2/18 Addition to the spinning solution of substances to influence ripening
- D01F 2/20 for the manufacture of hollow threads
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