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5707737 Cellulose acetate fiber having non-circular cross section, multi-filaments thereof, and process for the production thereof  
A cellulose acetate fiber excellent in gloss and feeling, formed from a mixture which consists essentially of (a) 100 parts by weight of cellulose acetate and (b) 5 to 40 parts by weight of a...
4725394 Process for preparing high stength cellulosic fibers  
High strength, high modulus cellulose triacetate fibers are produced by spinning a 30-50% by weight solution of cellulose triacetate having an acetyl content of at least 42.5% and an inherent...
4499043 Process for producing a cellulose ester support  
A process for producing a cellulose ester support is described which comprises producing said support from an organic solvent solution of a cellulose ester containing 30 ppm or less alkaline earth...
4414341 Flash evaporation process for concentrating polymer solutions  
A continuous process for concentrating polymer solutions, particularly solutions of halogenated aromatic polyesters in methylene chloride, is provided. The polymer solutions, are first passed...
4312980 Process for preparing porous cellulose spherical particles  
A solution of cellulose triacetate in a mixed solvent consisting essentially of a chlorinated hydrocarbon with a boiling point lower than that of an aqueous medium and an aliphatic higher alcohol...
4309186 Hydrophilic film for detection of heavy metals  
A transparent hydrophilic film for detecting the presence of heavy metals in aqueous solutions; the method of making same and the film as made by the method; and the use of a transparent...
3547668 PROCESS FOR THE PRODUCTION OF CELLULOSE TRIACETATE FILMS  
3489584 PROCESS FOR TREATING A MIXED SOLVENT FOR PREPARING CELLULOSE TRIACETATE FILMS  
3661807 SOLUBLE FLUORESCENT MATERIALS AND OPTICAL BRIGHTENERS IN SOLVENT PRECIPITATION FILM COMPOSITIONS  
3654193 OPAQUE MICROPOROUS FILM AND PROCESS FOR PREPARING THE SAME  
3655591 OPAQUE NON-PIGMENTED MICROPOROUS FILM AND PROCESS AND COMPOSITION FOR PREPARING THE SAME  
3485652 MATTE FINISHED FORMED ARTICLE AND METHOD OF PRODUCING SAME  
3475502 NOVEL CHLOROCARBON  
3455901 DRYING PROCESSES FOR LOW VISCOSITY CELLULOSE ESTERS  
3129159 Process for manufacturing membranes  
3081145 Process for manufacturing fibers and threads from cellulose triacetate  
3077416 Manufacture of artificial icicles  
2962464 Stable flameproof polyethylene composition  
2943946 Manufacture of artificial materials  
2925353 Solutions of organic acid esters of cellulose  
2892725 Inhibition of corrosion  
2858228 Preparation of spinning solutions  
Matches 1 - 22 out of 22