from solutions of cellulose in acids, bases or salts

Full Title

Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof > from solutions of cellulose in acids, bases or salts

1 direct subcode

Child Classifications

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D01F 2/04 from cuprammonium solutions

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