D01F 13 - Recovery of starting material, waste material, or solvents during the manufacture of artificial filaments or the like

Patents for D01F 13 - Recovery of starting material, waste material, or solvents during the manufacture of artificial filaments or the like (527)
07/2002
07/25/2002	DE10103029A1 Cleaning prepared elastane fibers of an oily preparation agent, for recycling, uses a mixture of different fiber thicknesses in a mixing vessel with water, to be stirred and water with the separated agent is led away from the fibers
07/25/2002	CA2435300A1 Method for producing monocomponent-microfilaments and obtaining a nonwoven, woven or knit fabric comprised of these microfilaments
07/17/2002	CN1358888A Method for preparing amine oxide water solution
07/17/2002	CN1358887A Process for refining solvent used in solution spinning method of polyurethane fibre industry
07/09/2002	US6416725 Removal of contaminants from gas streams in rayon production
06/2002
06/05/2002	CN1085994C Process for producikng cellulose shaped bodies and regenerated aqueous solution of tertiary amine oxide
05/2002
05/15/2002	CN1084595C Utilizations of edible oil
04/2002
04/24/2002	CN2487746Y Efficient degassing device
03/2002
03/20/2002	CN1341170A Method and device for producing elastane threads from recycling material
02/2002
02/06/2002	CN1078890C Process for producing aqueous amine oxide solution
12/2001
12/19/2001	EP1163381A1 Method and device for producing elastane threads from recycling material
11/2001
11/29/2001	US20010045394 Process for the reprocessing respectively purification of aqueous solutions of a tertiary amine oxide
11/07/2001	CN1074346C Internal window frame sections produced from rubbish
10/2001
10/31/2001	CN1320175A Method for producing cellulosic forms
10/17/2001	CN1318115A Method for preparing or purifying aqueous solutions of tertiary amino-oxide
10/17/2001	CN1318114A Method for producing cellulosic forms
10/10/2001	EP0692038B1 Preparation of poly(m-phenylene isophthalamide) filaments
10/09/2001	US6299737 Recovery of glycols from used glycol-containing technical fluids
10/03/2001	CN1072230C Process for regenerating aqueous process fluid from amine oxide process
10/02/2001	CA2056137C Process for cleaning or purifying aqueous n-methylmorpholine-n-oxide solutions
09/2001
09/26/2001	CN1071750C Process for selective separation of morpholine
08/2001
08/22/2001	EP1125012A1 Method for producing cellulosic forms
08/22/2001	EP1125011A1 Method for producing cellulosic forms
08/08/2001	CN1069356C Process for purifying tertiary aminoxide aqueous solution
07/2001
07/31/2001	CA1341276C Hyaluronic acid esters and salts
07/18/2001	EP1115927A1 Method for preparing or purifying aqueous solutions of a tertiary amino-oxide
06/2001
06/28/2001	WO2001004075A8 Process for the fabrication of activated cellulose and derivatives thereof
06/05/2001	CA2039073C Method of removing water from a dilute solution of n-methylmorpholine-n-oxide, n-methylmorpholine, or morpholine
04/2001
04/11/2001	CN1291179A Methods and devices for separating catalyst from oxidation mixtures
04/03/2001	US6210742 Emulsions are suited for preparation of food products, personal care products, pharmaceutical products and industrial products
02/2001
02/06/2001	US6183762 Method for preparing the emulsions and the use of the emulsions in various domestic and industrial compositions.
01/2001
01/18/2001	WO2001004075A1 Process for the fabrication of activated cellulose and derivatives thereof
01/03/2001	EP1065301A1 Reactive fibrous cellulosic coagulates
01/01/2001	CA2313213A1 Reactive fiber-like cellulose coagulates
12/2000
12/06/2000	EP1056706A1 Methods and devices for separating catalyst from oxidation mixtures
11/2000
11/14/2000	US6146645 Uses of oil bodies
10/2000
10/10/2000	US6129875 Process of separating catalyst from oxidation mixtures
08/2000
08/31/2000	WO2000050673A1 Method and device for producing elastane threads from recycling material
08/31/2000	DE19907830A1 Verfahren und Vorrichtung zur Herstellung von Elastanfäden aus Recyclingmaterial Method and apparatus for the production of elastane recycling material
08/31/2000	CA2362175A1 Method and device for producing elastane threads from recycling material
08/23/2000	CN1264318A Removal of contaminants from gas streams in rayon production
06/2000
06/28/2000	CN1258198A Utilisations of oil bodies
05/2000
05/31/2000	EP1003603A1 Removal of contaminants from gas streams in rayon production
04/2000
04/13/2000	DE19910958A1 Recycling industrial waste fabrics of silicon dioxide filaments involves chopping, sieving and de-sizing followed by use in industrial paper making
03/2000
03/30/2000	WO2000017425A1 Method for producing cellulosic forms
03/30/2000	WO2000017424A1 Method for producing cellulosic forms
03/30/2000	DE19842556A1 Verfahren zur Herstellung von cellulosischen Formkörpern A process for producing cellulosic molded bodies
03/30/2000	CA2344162A1 Method for producing cellulosic forms
03/30/2000	CA2344161A1 Method for producing cellulosic forms
03/23/2000	WO2000015887A1 Method for preparing or purifying aqueous solutions of a tertiary amino-oxide
03/23/2000	DE19842557C1 Production of cellulose fibers and filaments involves spinning a surfactant-containing solution of cellulose in aqueous tertiary-amine oxide across a relatively small air gap into a precipitating bath
03/22/2000	EP0986309A1 Uses of oil bodies
03/08/2000	EP0984087A1 Method of reuse of polyamide and polyester mixed waste carpeting by addition of compatibilizer
03/02/2000	CA2281214A1 Method of reuse of polyamide and polyester mixed waste carpeting by addition of compatibilizer
03/01/2000	EP0797695B1 Process for producing cellulosic moldings
02/2000
02/09/2000	CN1049261C Process for removing colored components from solvent for polyacrylonitrile
12/1999
12/29/1999	CN1239744A Caprolactum recovering process from nylon-6 fiber washing water
11/1999
11/16/1999	USRE36389 Process for removing contaminants from polyolefins
08/1999
08/26/1999	WO1999042430A1 Methods and devices for separating catalyst from oxidation mixtures
08/26/1999	CA2319564A1 Methods and devices for separating catalyst from oxidation mixtures
05/1999
05/18/1999	US5904818 Process for the regeneration of an aqueous process liquid of the amine-oxide process
04/1999
04/06/1999	US5891370 Membranes
01/1999
01/20/1999	CN1205653A Process for purifying liquid contaminated by filamentary molecules
01/12/1999	US5858285 Purifying, concentrating, adding microbiocide
12/1998
12/08/1998	US5847129 Process for the regeneration of an aqueous process liquid of the amine-oxide process
12/03/1998	WO1998053698A1 Uses of oil bodies
11/1998
11/26/1998	WO1998052680A1 Removal of contaminants from gas streams in rayon production
11/26/1998	CA2289845A1 Removal of contaminants from gas streams in rayon production
11/04/1998	EP0874927A1 Process for preparation of an aqueous solution of n-methylmorpholin-n-oxide
10/1998
10/21/1998	CN1196762A Process for preparation of aqueous solution of N-methylmorpholin-n-oxide
06/1998
06/30/1998	US5773655 Process for the purification of an aqueous solution of a tertiary amine-oxide
03/1998
03/18/1998	EP0615556B1 Purifying aqueous solutions of amine-n-oxides
01/1998
01/08/1998	WO1998000589A1 Process for preparation of an aqueous solution of n-methylmorpholin-n-oxide
01/08/1998	CA2230050A1 Process for preparation of an aqueous solution of n-methylmorpholin-n-oxide
01/07/1998	EP0787152B1 Process for producing an aqueous amine oxide solution
01/07/1998	EP0783460B1 Method of processing an aqueous solution in the amine oxide process
12/1997
12/29/1997	EP0787153B1 Process for re-using an aqueous process fluid from the amine oxide process
11/1997
11/19/1997	CN1165522A Process for regenerating an aqueous process fluid from the amine oxide process
11/19/1997	CN1165514A Process for the selective separation of morpholine
11/19/1997	CN1165507A Method of regenerating aqueous process fluid from the amine oxide process
11/12/1997	EP0696330B1 Process for purifying aqueous solutions of tertiary amino oxides
11/12/1997	CN1164584A Process for manufacturing viscose products
10/1997
10/29/1997	EP0695324B1 Process for producing cellulose shaped bodies
10/29/1997	CN1163639A Process for purifying tertiary aminoxide aqueous solution
10/02/1997	WO1997036030A1 Method of dope spinning
10/01/1997	EP0797695A1 Process for producing cellulosic moldings
10/01/1997	CN1161044A Process for producing an aqueous amine oxide solution
08/1997
08/27/1997	EP0787840B1 Process for the production of viscose products
08/06/1997	EP0787840A1 Process for the production of viscose products
08/06/1997	EP0787153A1 Process for re-using an aqueous process fluid from the amine oxide process
08/06/1997	EP0787152A1 Process for producing an aqueous amine oxide solution
07/1997
07/16/1997	EP0783606A1 Process for purifying a tertiary aminoxide aqueous solution
07/16/1997	EP0783497A1 Process for the selective separation of morpholine
07/16/1997	EP0783460A1 Method of processing an aqueous solution in the amine oxide process
05/1997
05/28/1997	EP0679169B1 Separation of nylon 6 from mixtures with nylon 6,6
05/13/1997	US5628941 Process for the production of cellulose moulded bodies
03/1997
03/18/1997	US5611932 Method for the purification of reclaimed aqueous N-methylmorpholine N-oxide solution
02/1997
02/27/1997	WO1997007268A1 Process for purifying a tertiary aminoxide aqueous solution
02/27/1997	WO1997007138A1 Process for re-using an aqueous process fluid from the amine oxide process
02/27/1997	WO1997007137A1 Process for producing an aqueous amine oxide solution

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