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1981-12-15
Process for preparation of cellulose acetate
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1981-05-26
Process for producing cellulose diacetate having improved resistance to delustering phenomenon in hot water
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1958-10-14
Method for the manufacture of low viscosity cellulose acetate dicarboxylates
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1951-02-27
Manufacture of organic esters of cellulose
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1958-08-19
Process for producing cellulose triesters
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1982-08-31
Method of making absorbable surgical threads
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2000-08-02
酢酸セルロ―スの製造方法
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1938-01-11
Hydrolysis of cellulose esters
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1953-03-17
Rapid esterification of cellulose using a basic catalyst
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1959-08-11
Manufacture of cellulose acetate
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1935-03-26
Process of manufacturing cellulose acetate
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1938-07-05
Manufacture of cellulose derivatives
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1932-02-09
Process for the manufacture of cellulose acetate
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1933-12-12
Process of making cellulose acetate
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1949-05-17
Rapid ripening of cellulose esters
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1933-07-04
Process of preparing organic esters of cellulose
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1963-05-14
Preparation of stable cellulose triesters
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1938-05-31
Treatment of cellulose esters
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1933-12-19
Cellulose ester
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1953-03-17
Rapid basic-catalyzed esterification of cellulose
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1944-11-14
Method for preparing organic acid esters of cellulose
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1934-12-11
Preparation of acetone-soluble cellulose nitro-acylate
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1957-12-10
Method of preparing cellulose isobutyrates
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1938-08-30
Method of producing stable solutions of cellulose triacetate