Patents for D01F 2 - Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof (4,622) |
---|
07/21/1981 | CA1105204A1 Process for making a solid impregnated precursor of a solution of cellulose |
06/30/1981 | US4276173 For use in artificial kidneys; concurrent removal of water and urea from blood |
06/30/1981 | US4276172 Cellulosic membrane for blood dialysis |
06/16/1981 | US4273118 Fibers of high fluid holding capacity |
05/19/1981 | CA1101589A1 Flame resistant cellulosic products |
04/21/1981 | US4263244 Blending viscose, acrylic acid or methacrylic acid polymer |
04/21/1981 | US4263180 Method for occluding sequestering agents in filamentary structure, occluded sequestering agents thus obtained and their applications |
04/14/1981 | US4261943 Process for surface treating cellulose products |
03/17/1981 | US4256613 Composition and process for making precipitated nylon-cellulose biconstituent composition |
03/17/1981 | US4256111 Cellulose ethers and esters unidirectionally aligned; crosslinking; grafting; very absorbent; disposable products |
02/24/1981 | US4252855 Microporous structure |
02/24/1981 | US4252766 Extrusion, coagulation |
02/24/1981 | CA1096106A1 Cellulose - solvant dmso formol |
02/04/1981 | EP0023384A1 Fibres of high fluid-holding capacity, a method for their preparation and articles made therefrom |
01/20/1981 | US4246221 Extrusion, molecular orientation |
01/13/1981 | US4245000 Viscose rayon |
01/07/1981 | EP0020590A1 Procedure for the preparation of crimped high-wet-modulus staple fibres. |
12/30/1980 | US4242405 Viscose rayon and method of making same |
12/30/1980 | US4242242 Polymers of 2-acrylamido-2-methyl-1-propanesulfonic acid |
12/23/1980 | US4240937 Tampons |
12/16/1980 | CA1091411A1 Alkali alloy fiber, shaped article comprising the same and method of preparing the same |
12/16/1980 | CA1091409A1 Dry phase inversion of exterior of cellulose acetate hollow fibre |
12/09/1980 | CA1091375A1 Alloy fibers of rayon and copolymers of acrylic and methacrylic acid |
12/09/1980 | CA1090965A1 Production of high crimp, high stenght, hollow rayon fibers |
12/09/1980 | CA1090964A1 Production of high strength hollow rayon fibers |
12/02/1980 | US4237274 Process for the preparation of solutions of cellulose derivatives which can be coagulated and spun to form regenerated cellulose _bodies |
11/18/1980 | US4234431 Membrane filtration type hollow fibers and method for the preparation of same |
11/18/1980 | CA1089613A1 Manufacture of flame-retardant regenerated cellulose fibres |
10/21/1980 | CA1087820A1 Extrusion of polymeric spinning emulsion containing sequestering agent |
10/14/1980 | CA1087772A1 Process for preparing shaped cellulose acetate article |
09/16/1980 | CA1085810A1 Regenerated cellulose fibers containing alkali metal or ammonium salt of a copolymer of an alkyl vinyl ether and ethylene dicarboxylic acid or anhydride and a process for making same |
09/02/1980 | US4220472 Dioxaphosphorinane derivatives as flameproofing agents |
08/05/1980 | CA1082866A1 Regenerated cellulose matrix fibres containing n- vinyl amide polymer |
07/29/1980 | CA1082692A1 Hollow cellulosic fibers |
07/29/1980 | CA1082691A1 Shaped cellulosic fibers |
07/22/1980 | CA1082382A1 Fluid absorbent cellulose fibers containing alkaline salts of polymers of acrylic acid, methacrylic acid or an acryloamidoalkane sulfonic acid with aliphatic esters of acrylic acid or methacrylic acid |
07/15/1980 | CA1081415A1 Production of discrete cellulose acetate fibers by emulsion flashing |
07/09/1980 | EP0012928A1 Process for making viscose |
07/08/1980 | US4211574 Process for making a solid impregnated precursor of a solution of cellulose |
07/01/1980 | CA1080417A1 Addition of reaction product of tetrakishydroxy methyl phosphonium in viscose spinning |
06/10/1980 | CA1079015A1 Spinning method and apparatus |
06/10/1980 | CA1079005A1 Cellulose solutions and products prepared therefrom |
06/03/1980 | CA1078571A1 Cellulose solution extruding or forming process, and products thus obtained |
06/03/1980 | CA1078570A1 Process for shaping cellulose solutions |
06/03/1980 | CA1078569A1 Process for shaping cellulose solutions |
05/15/1980 | WO1980000979A1 Procedure for the preparation of crimped high-wet-modulus staple fibres |
05/06/1980 | CA1076912A1 Filter material |
04/22/1980 | US4199367 Alloy rayon |
04/01/1980 | US4196282 Process for making a shapeable cellulose and shaped cellulose products |
03/11/1980 | US4192838 Process for producing filter material |
01/08/1980 | US4182735 Production of high crimp, high strength, hollow rayon fibers |
12/18/1979 | US4179416 Polyvinylpyrrolidone, viscose |
12/04/1979 | US4177236 Process for producing regenerated cellulose containing cross linked sodium lignate or sodium lignosulfonate |
12/04/1979 | CA1067263A1 Cellulose acetate fiber |
11/06/1979 | US4173613 Dimethyl sulfoxide, ammonia, formaldehyde |
09/18/1979 | CA1062425A1 Hydrophilic structures of water-insoluble polymers |
08/28/1979 | US4165743 Regenerated cellulose fibers containing alkali metal or ammonium salt of a copolymer of an alkyl vinyl ether and ethylene dicarboxylic acid or anhydride and a process for making them |
08/14/1979 | US4164437 Layers of regenerated cellulose |
08/14/1979 | CA1060342A1 Fibres incorporating antibodies, antigens and antisera, method for their preparation and their use |
08/07/1979 | CA1060038A1 Organic compounds |
07/25/1979 | EP0003135A2 Process for improving the solubility of viscose |
06/26/1979 | US4159299 From viscose, continuous processing of filaments |
06/12/1979 | USRE30029 Absorbent mass of alloy fibers of regenerated cellulose and polyacrylic acid salt of alkali-metals or ammonium |
03/27/1979 | CA1051256A1 Process for the production of a plasticized shaped body from a cellulose derivative |
03/21/1979 | EP0001047A2 Viscose membrane for dialysis, especially for hemodialysis, and process for its fabrication |
03/20/1979 | US4145391 Cellulose fiber process |
03/13/1979 | US4144080 Process for making amine oxide solution of cellulose |
03/13/1979 | US4144079 Rayon fibers containing starch |
03/13/1979 | CA1050225A1 Cellulose acetate fiber |
03/06/1979 | US4142913 Process for making a precursor of a solution of cellulose |
02/06/1979 | CA1047750A1 Filaments of chemically modified cellulose fibers, method of making such filaments and webs and products formed therefrom |
01/30/1979 | US4136697 Fibers of high fluid-holding capacity |
01/09/1979 | CA1045755A1 Process for adding particulate cellulose to alkali cellulose |
12/19/1978 | US4130689 Production of high strength hollow rayon fibers |
12/12/1978 | US4129679 Multi-limbed regenerated cellulose filaments |
12/12/1978 | US4129640 Process for producing shaped articles of cellulose |
12/12/1978 | US4129451 In dimethyl sulfoxide and formaldehyde |
12/12/1978 | CA1043999A1 Method for the manufacture of twistless or substantially twistless yarn and yarn manufactured by the application of that method |
11/21/1978 | US4126656 Method for manufacturing filaments of viscose |
10/31/1978 | US4123398 Flame resistant cellulosic product containing antimony pentoxide and polyvinyl bromide |
10/17/1978 | US4121012 Extrusion, spinning, coagulation, stretching |
10/17/1978 | US4120836 Regeneration in a solution containing urea or its substituted derivatives |
09/05/1978 | US4111701 Flame retardant regenerated cellulose filaments containing cross-linked polymeric phosphazenes |
09/05/1978 | CA1037952A1 Stillbene derivatives with sulfonic acid groups |
08/29/1978 | US4110596 Apparatus for transporting and collecting self-propelled welding carriages |
08/22/1978 | CA1036966A1 High permeability cellulose fibers containing enzymes and process for the preparation thereof |
08/01/1978 | US4104214 Fluid absorbent cellulose fibers containing alkaline salts of polymers of acrylic acid, methacrylic acid or an acryloamidoalkane sulfonic acid with aliphatic esters of acrylic acid or methacrylic acid |
07/18/1978 | US4101528 Copolyesters of ethylene 2,6-naphthalene dicarboxylate and halogenated comonomers |
04/25/1978 | US4086418 Process for producing a regenerated hollow cellulosic fiber |
04/11/1978 | US4083833 Method for the production of cellulosic fibres having a high resistance to combustion, and textile products prepared by said method |
02/28/1978 | US4076933 Nitrosating cellulose, regeneration with an alcohol |
01/03/1978 | US4066730 Polyphosphonates |
01/03/1978 | US4066584 Alloy fibers of rayon and copolymers of acrylic and methacrylic acids |
12/20/1977 | US4063883 Phosphorus penta(nitride) and a phosphate or phosphonate |
12/20/1977 | US4063558 Article and method for making high fluid-holding fiber mass |
11/22/1977 | US4059546 Textile fiber blend comprising cellulosic fibers and ethylene 2,6-naphthalene dicarboxylate-halogenated comonomers copolyester fibers |
10/04/1977 | US4051658 Method of manufacturing twistless yarn and yarn made by this method |
08/30/1977 | US4045532 Process of producing viscose yarn |
08/23/1977 | US4044076 Method for producing phosphorus-containing polymers |
08/09/1977 | US4041121 Method for making high fluid-holding fiber mass |