Patents for D01F 2 - Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof (4,622) |
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06/06/1985 | WO1985002422A1 Microbicidal materials |
04/24/1985 | EP0138178A2 Use of PH regulating materials in absorbant hygienic articles |
04/03/1985 | EP0135593A1 Hollow fibers for use in dialysis and artificial kidney |
04/02/1985 | CA1184716A1 Plasma phoresis membrane |
02/26/1985 | US4501886 High strength, high modulus |
12/05/1984 | EP0126994A2 Porous regenerated cellulose hollow fiber and process for preparation thereof |
12/05/1984 | EP0126838A2 Process for the production of water insoluble fibres from cellulose monoesters of maleic acid, succinic acid and phthalic acid, with an extremely high absorption capacity for water and physiological liquids |
12/04/1984 | US4486119 Mesophase dope containing cellulose derivative and inorganic acid |
11/14/1984 | EP0124935A1 Method for improving the filterability of a viscose solution |
10/16/1984 | CA1176013A1 Hollow fiber of cuprammonium regenerated cellulose and process for producing the same |
08/30/1984 | WO1984003228A1 Hollow fibers for use in dialysis and artificial kidney |
08/07/1984 | US4464323 Process for preparing high strength cellulosic fibers |
07/31/1984 | CA1171615A1 Dialysis membrane of cellulose |
07/25/1984 | EP0113824A2 Waterinsoluble fibres from cellulose acetate, cellulose propionate and cellulose butyrate with a very high absorption capacity for water and physiological fluids, and process for their preparation |
06/26/1984 | US4456749 Contacting with aqueous alkali, then sulfuric acid containing sodium, aluminum, magnesium, zinc, or calcium ions |
06/12/1984 | US4454091 Solutions, which can be shaped, from mixtures of cellulose and polyvinyl chloride, and shaped articles resulting therefrom and the process for their manufacture |
04/24/1984 | US4444716 Method for manufacture of hollow fiber |
04/17/1984 | US4443596 Viscose rayon filment yarn and process for producing same |
04/17/1984 | CA1165930A1 Mouldable solutions made up of a mix of cellulose and polyvinyl chloride, method of moulding, and articles thus made |
03/28/1984 | EP0103618A1 Procedure for treating cellulose derivative fibres. |
03/21/1984 | EP0103398A2 Cellulosic fibers from anisotropic solutions |
01/31/1984 | CA1161222A1 Fibers of high fluid holding capacity |
01/17/1984 | US4426228 Amine oxide, discoloration inhibition |
01/17/1984 | CA1160413A1 Production of high performance rayon fibers |
01/11/1984 | EP0097685A1 Procedure for precipitating cellulose carbamate. |
12/13/1983 | CA1158795A1 Shapable solutions made from mixtures of cellulose and polyamide-imide, and shaped articles obtained |
12/06/1983 | USRE31457 Viscose rayon |
11/29/1983 | US4418026 Using as spinning dope the carboxylation liquor, and another soluble polymer |
11/22/1983 | US4416698 Shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent and a process for making the article |
11/01/1983 | US4413032 Ammonium salt cationic surfactant as wetting agent |
10/13/1983 | WO1983003433A1 Procedure for treating cellulose derivative fibres |
10/11/1983 | US4409384 Viscose preparation using low concentration caustic |
09/20/1983 | US4405549 Zinc-free preparation of rayon fibers |
09/13/1983 | USRE31380 Rayon fibers containing starch |
09/13/1983 | US4404157 Process for the continuous production of viscose rayon yarns having high degree of whiteness |
09/06/1983 | US4402899 Zinc-free preparation of rayon fibers |
09/06/1983 | CA1153171A1 Cellulose semipermeable hollow fibers and method for making same |
08/16/1983 | US4399255 Alloy rayon fibers of regenerated cellulose and copolymeric acrylic acid salts |
07/21/1983 | WO1983002465A1 Process for producing fire-retarded cellulosic fibres |
07/07/1983 | WO1983002279A1 Procedure for precipitating cellulose derivative |
06/14/1983 | US4388260 Filaments having multilobular, skin-core cross-sections |
05/25/1983 | EP0079766A2 Viscose preparation using low concentration caustic |
05/17/1983 | US4383962 Standing time defined by equation |
04/26/1983 | US4381370 Method for producing fire-retarded cellulosic fibers and fire-retarded cellulosic fibers |
04/13/1983 | EP0076442A1 A hollow fiber of cuprammonium regenerated cellulose and process for producing the same |
04/12/1983 | CA1144320A1 Method for producing fire-retarding cellulosic fibres |
04/12/1983 | CA1144319A1 Process for producing regenerated cellulosic articles and for recovering the solvent chemicals |
03/01/1983 | CA1141913A1 Shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine n-oxide solvent and a process for making the article |
02/01/1983 | US4371491 Process for the continuous spinning of viscose rayon |
02/01/1983 | US4371487 Process for the production of a hollow fiber semipermeable membrane |
01/25/1983 | US4370168 Cellulose ethers, liquid crystals |
01/25/1983 | CA1139914A1 Regenerated cellulose fibers containing an alloying polymer and a process for improving the crimp thereof |
01/11/1983 | US4368078 Process for the preparation of viscose and process for the spinning of the viscose thus obtained |
01/04/1983 | US4367191 Preparation of cellulose films or fibers from cellulose solutions |
12/21/1982 | US4364890 Procedure for the preparation of crimped high-wet-modulus staple fibres |
12/21/1982 | US4364889 Process for preparing a cotton-like rayon fiber |
12/15/1982 | EP0066854A1 Security paper and method for its manufacture |
12/14/1982 | US4363895 Solutions, which can be shaped, from mixtures of cellulose and polyamide-imide, and shaped articles obtained |
12/14/1982 | CA1137685A1 An-cellulose mixtures having a fibrillar structure |
11/30/1982 | US4361532 Process for the continuous spinning of viscose rayon |
11/23/1982 | CA1135918A1 Process for surface treating cellulose products |
10/19/1982 | US4354938 Regenerated cellulose |
10/19/1982 | CA1133658A1 Mesophase dope containing cellulose derivative and inorganic acid |
10/05/1982 | US4352770 Process for forming shaped cellulosic product |
09/22/1982 | EP0060439A2 Spinning mass containing an optical bleaching agent for the preparation of regenerated cellulose fibres |
08/24/1982 | US4346146 Comprising cellulose acetate and a copolymer of vinyl chloride or vinylidene chloride and acrylonitrile |
07/27/1982 | CA1128504A1 Process for manufacturing viscose |
07/20/1982 | US4340429 Alkali cellulose xanthate with sodium hydroxide and water |
07/06/1982 | CA1126919A1 Membrane and method for making and using same |
06/30/1982 | EP0055056A1 Alloy rayon fibers of high fluid-holding capacity, method of producing them and manufactured articles comprising them |
06/09/1982 | EP0053221A2 Absorbant disposable article |
06/09/1982 | EP0020590B1 Procedure for the preparation of crimped high-wet-modulus staple fibres |
04/21/1982 | EP0049710A1 Crimped regenerated cellulose fibers, a method for their preparation and fabrics comprising them |
04/13/1982 | US4324751 Process for preparing viscose rayon |
03/31/1982 | EP0048267A1 Method of forming diffusion membrane units utilizing spaced mandrels |
03/24/1982 | EP0047929A2 Moulding and spinning compositions based on cellulose with a low content of low molecular weight degradation products, process for their preparation and their application as moulding objects |
03/09/1982 | US4319023 Process for producing regenerated cellulosic articles and for recovering the solvent chemicals |
02/24/1982 | EP0046157A1 Cellulosic fibers having occluded therein an alkali metal or ammonium salt of a copolymer of polyacrylic and methacrylic acid, process for the manufacture thereof and articles prepared therefrom |
02/09/1982 | US4314959 Process for the preparation of regenerated cellulose formed bodies from solutions of cellulose derivatives in organic solvents |
02/09/1982 | CA1117722A1 Rayon fibers containing starch |
01/26/1982 | CA1116824A1 Viscose rayon and method for making same |
01/26/1982 | CA1116808A1 Process for making amine oxide solution of cellulose |
12/30/1981 | EP0042517A1 Method for the production of a cellulose dialysis membrane |
12/16/1981 | EP0041904A1 Solutions which can be shaped, shaped articles obtained from these solutions as well as process of production of same |
11/24/1981 | CA1112824A1 Alloy rayon (cmc) |
10/27/1981 | CA1111206A1 Process for making a shapeable cellulose and shaped cellulose products |
10/13/1981 | US4294731 Method for drying absorbent modified cellulosic polymers and the like |
10/13/1981 | CA1110404A1 Process for making a precursor of a solution of cellulose |
10/06/1981 | CA1110009A1 Process for the preparation of solutions of cellulose derivatives which can be coagulated and spun to form regenerated cellulose bodies |
10/01/1981 | WO1981002750A1 Method of forming diffusion membrane units utilizing spaced mandrels |
09/30/1981 | EP0036829A2 Shapable solutions containing cellulose and polyamide-imide, shaped articles obtained therefrom and process for making them |
09/22/1981 | US4291096 Cuprammonium rayon |
09/15/1981 | US4289824 High fluid-holding alloy rayon fiber mass |
09/15/1981 | US4289723 Process for the preparation of regenerated cellulose formed bodies from solutions of cellulose derivatives in organic solvents |
09/15/1981 | CA1109000A1 Hollow filament bundle for diffusion device |
09/01/1981 | US4287334 Process for manufacturing viscose |
08/25/1981 | CA1107656A1 Hemodialysis membrane with included absorbent particles |
08/18/1981 | US4284594 Method of manufacturing hollow fiber |
08/18/1981 | CA1107020A1 Cellulose acetate hollow fiber and method for making same |
08/11/1981 | US4283186 Method of forming cigarette filter material |