Invention Grant
- Patent Title: Process for dyeing animal textile fibers comprising the use of purified synthetic food dyes
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Application No.: US17620430Application Date: 2020-06-17
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Publication No.: US11891757B2Publication Date: 2024-02-06
- Inventor: Nerio Bazzano
- Applicant: VEBACHEM S.R.L.S.
- Applicant Address: IT Cossato
- Assignee: Vebachem S.R.L.S.
- Current Assignee: Vebachem S.R.L.S.
- Current Assignee Address: IT Cossato
- Agency: Lathrop GPM LLP
- Agent Wm. Tucker Griffith
- Priority: IT 2019000009348 2019.06.18
- International Application: PCT/IB2020/055645 2020.06.17
- International Announcement: WO2020/254979A 2020.12.24
- Date entered country: 2021-12-17
- Main IPC: D06P3/00
- IPC: D06P3/00 ; D06P3/14 ; D06P3/16 ; D06P5/02 ; D06P1/613 ; D06P1/645 ; D06P1/651 ; D06P1/653 ; D06P1/66 ; D06P1/673
Abstract:
A textile dyeing process is described for dyeing a textile material, product or article consisting of animal fibers, comprising the steps of dipping said textile material, product or article into a dyeing bath comprising at least one detergent substance, a wetting substance, a leveling substance and an acidity regulator; adding to the dyeing bath a coloring substance approved for food use; subjecting the dyed textile material, product or article to washes; and finally subjecting the dyed textile material, product or article to a color fixing treatment.
Public/Granted literature
- US20220349121A1 PROCESS FOR DYEING ANIMAL TEXTILE FIBERS COMPRISING THE USE OF PURIFIED SYNTHETIC FOOD DYES Public/Granted day:2022-11-03
Information query
