CPC Subgroup
D01F 2/10 Addition to the spinning solution or spinning bath of substances which exert their effect equally well in either
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 > Addition to the spinning solution or spinning bath of substances which exert their effect equally well in either
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