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C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
C08B1/006—Preparation of cuprammonium cellulose solutions
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FR622269D1925-10-201926-09-29
Process for preparing basic copper sulphate applicable to the manufacture of cupro-ammoniacal artificial silk
ExpiredFR622269A
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