98623 ⎘
Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances; Chemical modification by after-treatment by etherification
POLYIMIDE RESIN MOLDED BODY AND PRODUCTION METHOD FOR SAME
#2Aromatic hydrocarbon formaldehyde resin, modified aromatic hydrocarbon formaldehyde resin and epoxy resin, and method for producing these
#3Method for refining polyoxymethylene dialkyl ethers by catalytic hydrogenation using a slurry bed
#4Oxymethylene polymers, process for the preparation thereof and use thereof
#5Oxymethylene polymers, process for the preparation thereof and use thereof
#6Oxymethylene copolymers and the use thereof and process for the preparation of oxymethylene copolymers