Fluorinated aromatic polyimide, polyamide and polyamide-imide ga
Graphics process using a composite of color separated negatives
Hydrous gel membranes for gas separation
Image reproduction process using sublimable colorants and photoh
Integrally asymmetrical polyolefin membrane
Method of enhancing the information legibility of multi-color gr
Proton-conducting polymer with acid groups in side chains,...
Sulfonated polyimide gas separation membranes
Sulfonated polyimide gas separation membranes
Sulphonated polyimides, membranes prepared with them, and a...