Abstract: A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst.
Type:
Grant
Filed:
April 24, 2009
Date of Patent:
April 19, 2011
Assignee:
E. I. du Pont de Nemours and Company
Inventors:
Robert DiCosimo, Anna Panova, Samuel D. Arthur, Henry Keith Chenault
Abstract: An Internet protocol (IP) packet switching communication system using real time transport protocol (RTP). Control packets map group identification codes to a multicast address on a network. Control packets are distributed on the network using simple object access protocol (SOAP) messages with extensible markup language (XML) payloads. Mapping may include dynamic or static functions. Multicast address data is distributed among routers. A message from a caller is multicast by the routers, based on the multicast address, to one or more destinations.
Type:
Grant
Filed:
May 1, 2007
Date of Patent:
April 19, 2011
Assignee:
E. F. Johnson Company
Inventors:
Dana Simonson, John Livdahl, Rory A. Smith
Abstract: Combinatorially generated peptides are provided that have binding affinity for polypropylene (PP). The peptides may be used to deliver benefit agents to various PP surfaces.
Type:
Grant
Filed:
December 1, 2006
Date of Patent:
April 19, 2011
Assignee:
E. I. du Pont de Nemours and Company
Inventors:
Scott D. Cunningham, David J.. Lowe, John P. O'Brien, Hong Wang, Antoinette E. Wilkins
Abstract: The invention relates to a method for operating a direct oxidation fuel cell in which at least one fluid fuel is transported from a fuel reservoir via a fluid distribution structure to a membrane electrode assembly, the transport of the fuel being effected passively, i.e. without convection. Furthermore, the invention relates to a corresponding direct oxidation fuel cell.
Type:
Grant
Filed:
July 8, 2008
Date of Patent:
April 19, 2011
Assignees:
Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V., Albert-Ludwigs-Universitat-Freiburg
Inventors:
Steffen Eccarius, Christian Litterst, Peter Koltay
Abstract: An apparatus for controlling a wave field synthesis renderer with audio objects includes a provider for providing a scene description, wherein the scene description defines a temporal sequence of audio objects in an audio scene and further includes information on the source position of a virtual source as well as on a start or an end of the virtual source. Furthermore, the audio object includes at least a reference to an audio file associated with the virtual source. The audio objects are processed by a processor, in order to generate a single output data stream for each renderer module, wherein both information on the position of the virtual source and the audio file itself are included in mutual association in this output data stream. With this, high portability on the one hand and high quality due to secure data consistency on the other hand are achieved.
Type:
Grant
Filed:
August 10, 2007
Date of Patent:
April 19, 2011
Assignee:
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Inventors:
Katrin Reichelt, Gabriel Gatzsche, Sandra Brix
Abstract: The invention is a method for permanent connection of two components by soldering employing a glass or metal solder as the solder material. A layer system providing adhesion is applied to both components, between which the solder material is introduced. the layer system is heated to a soldering temperature characteristic for the solder material and results in a permanent solder connection between both components after cooling. The layer system providing adhesion has an adhesive layer applicable directly to the component and a solderable layer. The adhesive layer, if a glass solder is used, contains oxidic, carbidic, or nitridic components or mixed compounds thereof and, if a metal solder is used, the adhesive layer contains carbidic or nitridic components or mixed compounds thereof.
Type:
Grant
Filed:
June 23, 2008
Date of Patent:
April 19, 2011
Assignee:
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung E.V.
Inventors:
Jan Hagen, Thorsten Faber, Rainer Kübler, Günter Kleer
Abstract: A prepreg composite material that includes a fiber layer and a resin comprising a thermoset resin component, a curing agent and a fibrous micropulp. The micropulp component is an aramid fiber having a volume average length of from 0.01 to 100 micrometers. The prepreg is useful in composite panel construction for minimizing fluid permeation into the cured structure. This prepreg is particularly suitable for making honeycomb sandwich panels. Film adhesives, liquid and paste resins containing aramid fiber micropulp are also disclosed.
Abstract: A composition for imparting surface properties to substrates comprising a polymer of at least one polyurethane having at least one urea linkage prepared by: (i) reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, having isocyanate groups, and (b) at least one fluorinated compound selected from the formula (I): Rf1-L-X??(I) wherein Rf1 is a monovalent, partially or fully fluorinated, linear or branched, alkyl radical having 2 to 100 carbon atoms; optionally interrupted by 1 to 50 oxygen atoms; wherein the ratio of carbon atoms to oxygen atoms is at least 2:1 and no oxygen atoms are bonded to each other; L is a bond or a linear or branched divalent linking group having 1 to about 20 carbon atoms, said linking group optionally interrupted by 1 to about 4 hetero-radicals selected from the group consisting of —O—, —NR1—, —S—, —SO—, —SO2—, and —N(R1)C(O)— wherein R1 is H or C1 to C6 alkyl, and said linking group optionally substituted with CH2Cl; X is an isocyanate-reactive grou
Type:
Application
Filed:
October 12, 2009
Publication date:
April 14, 2011
Applicant:
E. I. DU PONT DE NEMOURS AND COMPANY
Inventors:
Gerald Oronde Brown, Michael Henry Ober
Abstract: A process for forming a multilayer film includes coating a polymeric substrate film with a liquid fluoropolymer coating. The liquid fluoropolymer coating includes a fluoropolymer, solvent, a compatible cross-linkable adhesive polymer, and a cross-linking agent. The process further includes cross-linking the compatible cross-linkable adhesive polymer to form a cross-linked polymer network in the fluoropolymer coating, removing the solvent from the fluoropolymer coating, and adhering the fluoropolymer coating to the polymeric substrate film.
Abstract: A system and method for monitoring a status of a medical instrument is provided. Using an input peripheral associated with a computer terminal, a code associated with the medical instrument to be subjected to a cleaning operation after a previous use of the medical instrument is received. A timer for monitoring a duration of the cleaning operation is initiated. In response to completion of the cleaning operation determined based on the timer, a status of the medical instrument in an electronic record associated with the medial instrument stored in a non-transitory computer-readable medium is updated to indicate that the medical instrument has been cleaned. An indication that the cleaning operation being performed on the medical instrument is complete is then issued.
Type:
Application
Filed:
September 16, 2010
Publication date:
April 14, 2011
Applicant:
AUGUSTA E.N.T., P.C.
Inventors:
Alan B. Whitehouse, Keith A. Lynn, Stephen W. Smith
Abstract: A planar sheet comprises a plurality of polyamide yarns having a yarn modulus of from 3.7 to 6.8 N/dtex, an elongation to break of from 2.9 to 4.7% and a denier of from 130 to 15,000 and a plurality of steel wires wherein the steel wire is provided with a first crimp and a second crimp, the first crimp lying in a plane that is substantially different from the plane of the second crimp. The first and second crimp pitches and amplitudes of the steel wire are such that, when the steel wire and polyamide yarns are combined, the elongation to break of the wire is similar to that of the polyamide yarn. The wires and yarns are arranged such that they are oriented parallel to each other within the planar sheet. The sheet has utility in the construction of elastomeric components for tires and belts.
Abstract: Use of a biological photoreceptor as light-controlled ion channel for the alteration of the ion conductivity of a membrane by means of light. The photoreceptor used comprises an apoprotein and a light-sensitive polyene covalently bound to the apoprotein, said polyene interacting with the apoprotein and functioning as a light-sensitive gate.
Type:
Application
Filed:
May 18, 2010
Publication date:
April 14, 2011
Applicant:
MAX-PLANCK-GESEL.ZUR FOERDERUNG DER WISSEN. E.V.
Inventors:
Peter Hegemann, Georg Nagel, Ernst Bamberg
Abstract: Vasculature closure devices, and systems and methods for their use, are provided. In one embodiment, the vasculature closure device includes an expandable support frame deployable within a vessel and a sealing membrane at least partially supported by the expandable support frame. Upon expanding the support frame, the vasculature closure device is configured to intraluminally position the sealing membrane against a puncture site existing in a vessel wall.
Type:
Application
Filed:
August 9, 2010
Publication date:
April 14, 2011
Applicant:
E-PACING, INC.
Inventors:
Abraham Penner, Lone Wolinsky, Alon Ben-Yosef
Abstract: An apparatus for atomic layer deposition of a material on a moving substrate comprises a conveying arrangement for moving a substrate along a predetermined planar or curved path of travel and a coating bar having at least one precursor delivery channel. The precursor delivery channel conducts a fluid containing a material to be deposited on a substrate toward the path of travel. When in use, a substrate movable along the path of travel defines a gap between the outlet end of the precursor delivery channel and the substrate. The gap defines an impedance Zg to a flow of fluid from the precursor delivery channel. A flow restrictor is disposed within the precursor delivery channel that presents a predetermined impedance Zfc to the flow therethrough. The restrictor is sized such that the impedance Zfc is at least five (5) times, and more preferably at least fifteen (15) times, the impedance Zg. The impedance Zfc has a friction factor f.
Abstract: Disclosed is an electrode, including a conductive layer containing a conductive component selected from the group consisting of copper, nickel, iron, cobalt, titanium, lead, aluminum, tin, and alloys comprising one of these metals as the principal ingredient thereof, and an oxidation protection layer containing boron oxide, said oxidation protection layer covering the top surface of the conductive layer, or covering both the top surface and the sides of the conductive layer, or covering all locations where the conductive layer has been formed; the electrode being formed by air firing the conductive layer and the oxidation protection layer simultaneously.
Abstract: Disclosed are high frequency-active blends comprising (a) copolymers of ethylene and maleic anhydride or its functional equivalents and (b) ethylene copolymers with polar comonomers such as ethylene/vinyl acetate copolymers, ethylene/alkyl (meth)acrylate copolymers and ethylene/(meth)acrylate/carbon monoxide terpolymers; and films, powders, multilayer structures, and articles prepared therefrom.
Type:
Application
Filed:
December 20, 2010
Publication date:
April 14, 2011
Applicant:
E. I. DU PONT DE NEMOURS AND COMPANY
Inventors:
Richard T. Chou, Karlheinz Hausmann, Han Il Lee
Abstract: A liquid fluoropolymer coating composition includes a fluoropolymer selected from homopolymers and copolymers of vinyl fluoride and homopolymers and copolymers of vinylidene fluoride, solvent, a compatible cross-linkable adhesive polymer, and a cross-linking agent.
Abstract: The genes encoding ryanodine receptor homologs have been characterized from multiple insect families including lepidopteran tobacco budworm (Heliothis virescens), homopteran green peach aphid (Myzus persicae), corn plant hopper (Peregrinus maidis), cotton melon aphid (Aphis gossypii) and fruitfly (Drosophila melanogaster). The full-length genes have been isolated, cloned and amplified in bacterial cells. Expression in insect cells shows that the recombinant protein folds into a functional calcium release channel.
Type:
Application
Filed:
December 11, 2009
Publication date:
April 14, 2011
Applicant:
E. I. DU PONT DE NEMOURS AND COMPANY
Inventors:
Steven Gutteridge, Timothy Caspar, Daniel Cordova, James J. Rauh, Yong Tao, Lihong Wu, Rejane M. Smith
Abstract: Engineered strains of the oleaginous yeast Yarrowia lipolytica capable of producing greater than 25% eicosapentaenoic acid (EPA, an ?-3 polyunsaturated fatty acid) in the total oil fraction are described. These strains comprise various chimeric genes expressing heterologous desaturases, elongases and acyltransferases and optionally comprise various native desaturase and acyltransferase knockouts to enable synthesis and high accumulation of EPA. Production host cells are claimed, as are methods for producing EPA within said host cells.
Type:
Application
Filed:
September 29, 2010
Publication date:
April 14, 2011
Applicant:
E. I. Du Pont De Nemours and Company
Inventors:
Howard Glenn Damude, Peter John Gillies, Daniel Joseph Macool, Stephen K. Picataggio, Dana M. Walters Pollak, James John Ragghianti, Zhixiong Xue, Narendra S. Yadav, Hongxiang Zhang, Quinn Qun Zhu
Abstract: The invention relates to polymer substrates which are provided with fluorescence features and in which photochemical fluorescence features, i.e. fluorescent structures, are produced by UV irradiation. Thus, fluorophores can be produced in polymer substrates with a low inherent fluorescence by means of suitable UV radiation, which fluorophores display a marked and detectable emission upon being excited with light of a suitable wavelength. If such an irradiation is implemented in a structured manner, emission patterns can be produced in this way in polymer substrates, which emission patterns can be applied for example as recovery grids in fluorescence microscopy. A further application field relates to product authentication which is made possible by the polymer substrates according to the invention provided with fluorescence features.
Type:
Application
Filed:
September 7, 2010
Publication date:
April 14, 2011
Applicants:
FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V., ibidi GmbH
Inventors:
Thomas Fischer, Joachim Stumpe, Valentin Kahl