Search Results for: Animal skins
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
group (class / ) basic dye, including diphenylmethane, triphenylmethane, xanthene, fluorene, methine, acridine, oxazine, phenazine, flavylium, naphthoperinone, quinophthalone, etc., group-containing (class / ) phthalocyanine dye (class / ) azo, acridone, or quinone dye (class / ) treatment of hides, skins...
https://patents.justia.com/patents-by-us-classification/8