Yorkshire Dyeware and Chemical Co
of 24 Lower Basinghall Street, Leeds, 1. Telephone: Leeds 21627. Cables: "Bedford, Leeds" Factories at: Leeds (2); Selby; Dewsbury; Huddersfield. (1947)
1900 The company was registered on 19 May, to acquire certain businesses of firms engaged in dyewood cutting and extracting, and in the manufacture and sale of chemicals. 
1918 Patent - Improvements in and relating to Linoleum and Linoleum Cement. 
1947 British Industries Fair Advert for Dyestuffs and Synthetic Tannins. Manufacturers of Dyestuffs for Cotton, Wool, Silk, Nylon, Viscose and Acetate Rayons. Natural Dyestuffs. Vegetable Tanning Extracts. Chrome Tanning Salts, Synthetic Tannings, Leather Oils and Degras. Leather Dyestuffs, Dryers, Adhesives, Flocculating agents. (Chemicals Section - Olympia, Ground Floor, Stand No. A.1184) 
1967 Patent - Method of Dyeing Acrylic Fibres.