Method of purifying .alpha.-substituted acetic acids
Method of purifying a raw melt of at least one monomer by...
Method of purifying a raw melt of at least one monomer by...
Method of purifying acifluorfen
Method of purifying and producing acrylic acid or...
Method of purifying aromatic dicarboxylic acids
Method of purifying aromatic dicarboxylic acids
Method of purifying aromatic polycarboxylic acid
Method of purifying glutamic acid by transition...
Method of racemizing optically active N-acyl amino acids in aque
Method of recovering adipic acid and 6-hydroxycaproic acid from
Method of recovering chemical species by depolymerization of...
Method of recovering halide values from carbonylation reaction m
Method of recovering in active form the catalyst for the terepht
Method of recovering polymerization inhibitor and method of...
Method of recovery of terephthalic acid and ethylene glycol...
Method of recycling a catalyst in a reaction involving the direc
Method of reducing impurities in aqueous acrylic monomer solutio
Method of reducing inflow of water from a reactor outlet gas...
Method of refining benzoic acid