Patent · US Expired

Herbal dye and process of preparation thereof

US7186279B2 · kind B2 · utility

3Cited by
0References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 30, 2004
Grant dateMar 6, 2007
Priority date
Expiry dateOct 28, 2025

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q7/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention provides a herbal black dye from natural materials comprising of Juglans regia, Indigofera tinctoria, Terminalia chebula, Acacia accocina, Lawsonia inermis, Trigonella foenum-graecum, Sapindus mukorossi, Eclipta alba, Embelica officinalis, Acacia catechu and Piper betle, the dye derived being safe, non toxic, anti-allergic, anti-dandruff and free from toxic symptoms like itching.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.