Patents by Inventor Werner Ude
Werner Ude has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 6740404Abstract: HMLS filaments consisting of a polyester, from 0.1 to 2.5% by weight of an incompatible, thermoplastic, amorphous, polymeric additive having a glass transition temperature of from 90 to 170° C. and a ratio of its melt viscosity to that of the polyester component of from 1:1 to 7:1, and from 0 to 5.0% by weight of conventional additives, where the polymeric additive is present in the filaments in the form of fibrils having a mean diameter of ≦80 nm. Process for the production of these HMLS filaments by static mixing with shearing of the polyester and of the polymeric additive and, optionally, of the additives, spinning of the mixture at a spinning take-off speed of from 2500 to 4000 m/min to give spun filaments which are stretched, heat-set and wound up, where the concentration of the polymeric additive is determined as a function of the pre-specified spinning take-off speed and the desired birefringence of the spun filaments.Type: GrantFiled: June 6, 2002Date of Patent: May 25, 2004Assignee: Zimmer AGInventors: Joachim Cziollek, Werner Mrose, Dietmar Wandel, Helmut Schwind, Wolfgang Janas, Werner Ude
-
Publication number: 20040096655Abstract: The present invention relates to a method for the manufacture of synthetic fibers from a melt mixture of fiber forming matrix polymers, wherein at least one second amorphous additive polymer, which is immiscible with the fiber forming matrix polymer, is added to the fiber forming matrix polymers in a quantity of 0.05-5 wt % (with reference to the total weight of fiber forming matrix polymer and the additive copolymer). The additive polymer is obtained by multiple initiation. Furthermore, the present invention also relates to the synthetic fibers produced by the method.Type: ApplicationFiled: November 10, 2003Publication date: May 20, 2004Applicant: Zimmer AGInventors: Helmut Schwind, Werner Ude, Wolfgang Janas, Alexander Klein, Bernd Kretschmann
-
Patent number: 6667003Abstract: The present invention relates to a method for the manufacture of synthetic fibers from a melt mixture of fiber forming matrix polymers, wherein at least one second amorphous additive polymer, which is immiscible with the fiber forming matrix polymer, is added to the fiber forming matrix polymers in a quantity of 0.05-5 wt % (with reference to the total weight of fiber forming matrix polymer and the additive copolymer). The additive polymer is obtained by multiple initiation. Furthermore, the present invention also relates to the synthetic fibers produced by the method.Type: GrantFiled: May 10, 2001Date of Patent: December 23, 2003Assignee: Zimmer A.G.Inventors: Helmut Schwind, Werner Ude, Wolfgang Janas, Alexander Klein, Bernd Kretschmann
-
Patent number: 6656583Abstract: High strength polyester fibers comprising from 0.1 to 2.0 by weight of an incompatible, thermoplastic amorphous, polymeric additive.Type: GrantFiled: May 21, 2002Date of Patent: December 2, 2003Assignee: Lurgi Zimmer AGInventors: Joachim Cziollek, Werner Mrose, Dietmar Wandel, Helmut Schwind, Wolfgang Janas, Werner Ude
-
Patent number: 6576339Abstract: Polyester staple fibres consisting of a polyester, from 0.1 to 2.0% by weight of an incompatible, thermoplastic, amorphous, polymeric additive having a glass transition temperature of from 90 to 170° C. and a ratio of its melt viscosity to that of the polyester component of from 1:1 to 10:1, and from 0 to 5.0% by weight of conventional additives, where the polymeric additive is present in the staple fibres in the form of fibrils having a mean diameter of ≦80 nm. Process for the production of these staple fibres by mixing with shearing of the polyester and of the polymeric additive and, optionally, of the conventional additives, spinning at a spinning take-off speed of <2500 m/min to give spun filaments, which are combined to form tows and stretched in a separate fibre stretching stage, crimped, dried and chopped to give staple fibres.Type: GrantFiled: June 24, 2002Date of Patent: June 10, 2003Assignee: Lurgi Zimmer AGInventors: Ingo Cordes, Dietmar Wandel, Helmut Schwind, Wolfgang Janas, Werner Ude
-
Publication number: 20020017735Abstract: The present invention relates to a method for the manufacture of synthetic fibers from a melt mixture of fiber forming matrix polymers, wherein at least one second amorphous additive polymer, which is immiscible with the fiber forming matrix polymer, is added to the fiber forming matrix polymers in a quantity of 0.05-5 wt % (with reference to the total weight of fiber forming matrix polymer and the additive copolymer). The additive polymer is obtained by multiple initiation. Furthermore, the present invention also relates to the synthetic fibers produced by the method.Type: ApplicationFiled: May 10, 2001Publication date: February 14, 2002Inventors: Helmut Schwind, Werner Ude, Wolfgang Janas, Alexander Klein, Bernd Kretschmann
-
Patent number: 5849946Abstract: The invention relates to a method of obtaining water-free 2-trimethylammoniumethyl methacrylate chloride (TMAC) characterized in that an aqueous TMAC solution is subjected to the following operations:(a) Azeotropic removal using an alkyl (meth)acrylate; and(b) Filtration of the resulting suspension.Type: GrantFiled: May 16, 1997Date of Patent: December 15, 1998Assignee: Roehm GmbH Chemische FabrikInventors: Peter-Joseph Arndt, Werner Ude, Klaus Gottmann, Thomas Kehr
-
Patent number: 5567826Abstract: Described is a process for producing (meth)acrylates with Formula (I) ##STR1## with R.sub.1 is H or CH.sub.3, and A and B are each independently unbranched or branched alkylene groups with 2 to 5 C atoms, comprising the step of reacting a (meth)acrylate of the Formula (II), ##STR2## wherein R.sub.2 is alkyl especially with 1 to 4 C atoms and R.sub.1 is as defined above, with an alcohol of the Formula (III) ##STR3## wherein A and B are as defined above in the presence of an alkali earth catalyst or alkaline earth metal catalyst or a mixture thereof.Type: GrantFiled: December 22, 1994Date of Patent: October 22, 1996Assignee: Roehm GmbH Chemische FabrikInventors: Joachim Knebel, Peter J. Arndt, Werner Ude
-
Patent number: 4996109Abstract: Rigid foamed polymethacrylimide synthetic resin containing from 0.1 to 10 percent by weight of electrically conductive particles such as conductive carbon black exhibit improved properties when used in rapidly flowing streams of gases, are particularly suitable for use as a core material in laminates for aircraft construction, and are prepared by heating a copolymer of methacrylic acid and methyacrylonitrile containing a blowing agent and conductive particles.Type: GrantFiled: July 31, 1989Date of Patent: February 26, 1991Assignee: Rohm GmbHInventors: Manfred Krieg, Norbert Rau, Werner Ude
-
Patent number: 4990588Abstract: What are disclosed are aromatic polyethers which are resistant to high temperature, having a reduced viscosity greater than 0.25 dl/g and a repeating structural unit[(A-O).sub.a (B-O).sub.b (C-O).sub.c ],wherein A is 5a,10b-diphenyl-coumarano[2',3',2,3]coumaran of the formula ##STR1## B has the formula ##STR2## wherein n is 0 or 1, and X is ##STR3## and/or ##STR4## and C is at least one further aromatic unit.Type: GrantFiled: February 8, 1989Date of Patent: February 5, 1991Assignee: Rohm GmbHInventors: Joachim Knebel, Werner Ude, Joachim Vetter
-
Patent number: 4931594Abstract: A method for making aromatic bisphenols such as 9,9-bis-(4-hydroxyphenyl)fluorene by reacting an aromatic ketone, for example a diaryl ketone or diaryl diketone, with a phenol in the present of an insoluble strongly acidic cationic ion exchange resin as an acidic condensation catalyst, which latter may be used in the presence of a co-catalyst containing sulfur.Type: GrantFiled: October 26, 1988Date of Patent: June 5, 1990Assignee: Rohm GmbHInventors: Joachim Knebel, Volker Kerscher, Werner Ude
-
Patent number: 4889909Abstract: High-temperature-resistant, thermoplastically processable polyarylene ethers with repeating structural units of the general formula ##STR1## wherein A represents 4,4'- or 4,4"-benzophenone units of the formula ##STR2## with z being 0 or 1, B represents 9,9-bis(4'-phenyl)fluorene units of the formula ##STR3## and C represents 2,2-bis(4-phenyl)propane units of the formula ##STR4## which are linked to one another in etherlike fashion through oxygen atoms, the composition of the polyarylene ethers being determined by m and n, the molar ratio of which ranges from 30:70 to 90:10, and wherein the sequence of the segments containing B or C may be random.Type: GrantFiled: July 19, 1988Date of Patent: December 26, 1989Assignee: Rohm GmbHInventors: Sigmund Besecke, Joachim Knebel, Guenter Schroeder, Werner Ude
-
Patent number: 4774349Abstract: A process for the preparation of (meth)acrylamidomethylphosphonic acid diesters of formula I:H.sub.2 C.dbd.C(R.sub.1)--CO--N(R.sub.2)--CH.sub.2 --P(O)(OR.sub.3)(OR.sub.4) (I)is disclosed. In the above formula, R.sub.1 is a hydrogen atom or methyl group. R.sub.2 is a hydrogen atom, a C.sub.1 -C.sub.4 alkyl group (which can be substituted) or a C.sub.3 -C.sub.4 alkenyl group. R.sub.3 and R.sub.4 are each independently a phenyl group, or an alkyl group (which can be substituted) having 1-4 C atoms. Or R.sub.3 and R.sub.4 together form an alkylene group which forms a 5- or 7-membered ring with the oxygen atoms and the phosphorus atoms.The process is based on reacting a N-methylol derivative of (meth)acrylamide with a phosphorous acid triester, in which a N-methylol ether of a (meth)acrylamide is used. The reaction can be advantageously catalyzed by Lewis acids.Type: GrantFiled: October 14, 1986Date of Patent: September 27, 1988Assignee: Rohm GmbH Chemische FabrikInventors: Klaus Langerbeins, Werner Ude
-
Patent number: 4745225Abstract: Branched phosphorus-containing polyarylene ethers comprising repeating units of the structure ##STR1## wherein q and z are 0 or 1; andm has an average value from 1 to 10,statistically alternating with branching points units of the structures ##STR2## p being an integer from 1 to 4, and methods for making such ethers by polycondensing appropriate aromatic bifunctional compounds in the presence of further condensable compounds having more than two reactive groups.Type: GrantFiled: June 4, 1986Date of Patent: May 17, 1988Assignee: Rohm GmbHInventors: Werner Ude, Joachim Knebel
-
Patent number: 4745224Abstract: Methods for making tertiary phosphine oxides from the corresponding tertiary phosphine sulfides by reacting the latter with sulfuric acid and/or organic sulfonic acids at temperatures from 70.degree. C. to 200.degree. C.Type: GrantFiled: December 2, 1986Date of Patent: May 17, 1988Assignee: Rohm GmbHInventors: Joachim Knebel, Werner Ude
-
Patent number: 4698448Abstract: Compounds of the formula ##STR1## wherein R is lower alkyl or aryl, Y is oxygen or sulfur, m is 0 or 1, Ar is arylene, and X is halogen, methyl, or aryloxy, or polymers containing repeating units of this kind are prepared from a compound R--P(Y).sub.r Cl.sub.2, where r is 0 or 1 but is never greater than m, by reaction with one or two molar parts of a compound H--ArX in the presence of a Friedel-Crafts catalyst.Type: GrantFiled: July 2, 1985Date of Patent: October 6, 1987Assignee: Rohm GmbHInventors: Werner Ude, Siegmund Besecke, Achim Riemann, Guenther Schroeder
-
Patent number: 4696993Abstract: A method for making resinous phosphorus-containing polyarylene ethers of the structure ##STR1## wherein R taken alone is hydrogen or R R taken together are a covalent single bond, oxygen, sulfur, or a sulfonyl, carbonyl, methylene or isopropylidene bridge;R' is alkyl or aryl;R" is a single bond, oxygen, sulfur, or an organic group having from 5 to 15 carbon atoms whose free valences emanate from quaternary carbon atoms;E is an end group which is chlorine, hydrogen, alkyl, aryl, or acyl; andn has an average value of at least 10,by polycondensing appropriate bis(chlorophenyl)phosphine oxides with appropriate bisphenols at an elevated temperature in the presence of alkali in reaction times of at least 10 hours, and certain resinous ethers produced by this method.Type: GrantFiled: June 4, 1986Date of Patent: September 29, 1987Assignee: Rohm GmbHInventors: Werner Ude, Joachim Knebel, Guenter Schroeder
-
Patent number: 4675458Abstract: A method for making 9,9-bis-(4-hydroxyphenyl)-fluorene by reacting fluorenone with phenol at a temperature from 20.degree. to 100.degree. C. in the presence of sulfuric acid of a concentration higher than 70 percent and of a mercaptan, and particularly beta-mercaptopropionic acid, as acidic condensing agents.Type: GrantFiled: October 3, 1985Date of Patent: June 23, 1987Assignee: Ronm GmbHInventors: Achim Riemann, Werner Ude
-
Patent number: 4673730Abstract: Method for recovering an aromatic polyether as a solid product from a solution thereof in an organic solvent by precipitating with a fluorohydrocarbon which may also contain chlorine or bromine and which boils at -30.degree. C. to +100.degree. C.Type: GrantFiled: April 18, 1986Date of Patent: June 16, 1987Assignee: Rohm GmbHInventors: Hermann Siegert, Werner Ude
-
Patent number: 4638099Abstract: A method for making 4,4'-dihydroxydiphenyl ether from diphenyl ether by oxidatively iodinating diphenyl ether to 4,4'-diiododiphenyl ether and/or 4-hydroxy-4'-iododiphenyl ether, hydrolyzing this product with a base, recovering iodine from the solution containing iodide, and recycling the iodine to the iodination step.Type: GrantFiled: January 23, 1986Date of Patent: January 20, 1987Assignee: Rohm GmbHInventors: Achim Riemann, Werner Ude