Invention Grant
- Patent Title: Method of dye clearing textiles
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Application No.: US16068126Application Date: 2017-01-04
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Publication No.: US10533279B2Publication Date: 2020-01-14
- Inventor: David John Ellis , Nicholas Brown
- Applicant: NIKWAX LIMITED
- Applicant Address: GB
- Assignee: NIKWAX LIMITED
- Current Assignee: NIKWAX LIMITED
- Current Assignee Address: GB
- Agency: Heslin Rothenberg Farley & Mesiti P.C.
- Priority: GB1600098.6 20160104
- International Application: PCT/EP2017/050163 WO 20170104
- International Announcement: WO2017/118671 WO 20170713
- Main IPC: D06P5/02
- IPC: D06P5/02 ; D06P5/04 ; D06P1/653 ; D06P3/52
Abstract:
A process to remove excess dye from dyed polyester fabric comprising adding a solution of a weak organic acid to the fabric in a dyeing vessel, raising the temperature in the vessel to at least 80° C., allowing the acid to react with the fabric for at least 6 minutes and removing all liquid.
Public/Granted literature
- US20190024305A1 METHOD OF DYE CLEARING TEXTILES Public/Granted day:2019-01-24
Information query
