NATIONAL
COAL-TAR, INTERMEDIATES, DYESTUFFS, LAKES FOR PAPER AND CLOTH, DYES AND STAINS FOR BIOLOGICAL, BACTERIOLOGICAL AND HISTOLOGICAL PURPOSES; TINTS DERIVED FROM COAL-TAR COLORS, PIGMENTS FOR GENERAL USE, MORDANTS, CATALYZERS, ACCELERATORS FOR VULCANIZING PURPOSES, CHEMICALS DESIGNATED AS INDICATORS AND USED IN MAKING CHEMICAL ANALYSES, DEVELOPERS USED IN DYEING AND FOR PHOTOGRAPHY; COAL-TAR DERIVATIVES USED AS DYES, INTERMEDIATES, ACCESSORIES, PRESERVATIVES, AND PHARMACEUTICALS, AND DYES USED IN ...
Expired · August 4, 1921 · 71151372 ·