Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Dye extracted from natural product
Reexamination Certificate
2004-01-02
2009-02-03
Douyon, Lorna M (Department: 1796)
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Dye extracted from natural product
C008S101000, C008S623000, C008S624000, C008S625000, C008S635000, C008S636000
Reexamination Certificate
active
07485158
ABSTRACT:
The novel method relates to dyeing a textile article with medicinally rich herbs to produce natural, unique, deep and fast coloured textile articles having medicinal effects shield the human skin. Successive stages of dyeing include desizing, bleaching, scouring, galling, mordanting, dyeing, washing, colour fixing and finishing. The textile article is pretreated with camel/buffalo/cow dung, Myrobalans and Alum for fixation and development of colour and finally with extract of herbs for dyeing. Salts of copper, chromium, tin and iron can also be use as mordants to modify the shade. In yarn dyeing, drying is done by hanging on a bamboo stick in sunlight and for even penetration of dye yarn is continuously rotated in a dye solution. Novel herbal dyes, methods and cloths made thereof, in chemical free, detergent free, non hazardous, eco friendly, pollution free, having anti-allergic, antiseptic and antimicrobial functions are disclosed.
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Douyon Lorna M
Khan Amina
Roylance Abrams Berdo & Goodman L.L.P.
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