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