Invention Grant
- Patent Title: Leucodye (such as leucoindigo) as dispersing aid
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Application No.: US17296737Application Date: 2019-11-29
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Publication No.: US11753730B2Publication Date: 2023-09-12
- Inventor: David Crettenand , Grégoire Chappot , Ludovic Chappot , Herbert Gübeli
- Applicant: Sedo Engineering SA
- Applicant Address: CH Riddes
- Assignee: Sedo Engineering SA
- Current Assignee: Sedo Engineering SA
- Current Assignee Address: CH Riddes
- Agency: Renner, Otto, Boisselle & Sklar, LLP
- Priority: CH 48018 2018.11.30
- International Application: PCT/EP2019/083136 2019.11.29
- International Announcement: WO2020/109577A 2020.06.04
- Date entered country: 2021-05-25
- Main IPC: C25B3/25
- IPC: C25B3/25 ; C25B15/021 ; C25B9/40 ; C09B7/00 ; C09B67/22 ; C09B67/30 ; C09B67/46 ; D06P1/22 ; D06P5/20
Abstract:
An electrolytic dye reduction method comprises preparing a catholyte by dispersing a dye in a leucodye comprising electrolyte. In a preferred method the leucodye like leucoindigo is the sole dispersing aid.
Public/Granted literature
- US20220033980A1 LEUCODYE (SUCH AS LEUCOINDIGO) AS DISPERSING AID Public/Granted day:2022-02-03
Information query
