Search Results for: Animal feathers used for cleansing
and chemical modification of textiles and fibers patents (class ) measuring, testing, or inspecting dye process (class / ) using enzymes, dye process, composition, or product of dyeing (class / ) wood dyeing process (class / ) fugitive dye composition, process or product (class / ) dyeing involving animal-derived
natural fiber material (other than solely wool or silk), e.g., leather, fur, hair, feathers, etc., composition, process, or product (class / ) hair dyeing (class / ) leather dyeing (class / ) process of extracting or purifying of natural dye (class / ) logwood (class / ) dye recovery process, other...
https://patents.justia.com/patents-by-us-classification/8