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E.I. DuPont de Nemours & Company Patents
Assignee:
E.I. DuPont de Nemours & Company
Address:
Wilmington, DE
No. of patents:
291
Patents:


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Patent Number Title Of Patent Date Issued
RE38252 Corn cDNA encoding southern leaf blight resistance September 16, 2003
This invention relates to an isolated nucleic acid fragment encoding a SCLB.sup.R protein. The invention also relates to the construction of a chimeric gene encoding all or a portion of the SCLB.sup.R protein, in sense or antisense orientation, wherein expression of the chimeric gene
RE28929 Ultrasonic fluid speed of sound and flow meter apparatus and method August 17, 1976
An ultrasonic speed of sound and flow metering system which may utilize only one pair of ultrasonic transducers by incorporating a unique time share feature. In one embodiment a direct synthesis of a frequency proportional to the speed of sound in a flowing medium is obtained using o
7608206 Non-lead resistor composition October 27, 2009
A non-lead composition for use as a thick-film resistor paste in electronic applications. The composition comprises particles of Li.sub.2RuO.sub.3 of diameter between 0.5 and 5 microns and a lead-free frit. The particles have had the lithium at or near primarily the surface of the pa
7589177 Nucleic acid molecules encoding cyclotide polypeptides and methods of use September 15, 2009
The present invention relates to isolated nucleic acids encoding plant cyclotides. The invention also relates to the construction of a chimeric gene encoding all or a portion of the plant cyclotides, in sense or antisense orientation, wherein expression of the chimeric gene results in
7540906 Metal salts of hydrolyzed olefin/maleic anhydride copolymers and their use as wood preservatives June 2, 2009
Complexes of copper and/or zinc with hydrolyzed olefin/maleic anhydride copolymers were solubilized in ammoniacal solution providing preservative solutions that fully penetrate wood. With loss of the ammonia from the wood, the complexes were stably retained in the wood providing a long
7504769 Aromatic chalcogen compounds and their use March 17, 2009
This invention relates to dibenzothiophene, dibenzofuran, dibenzopyran, and dibenzothiapyran compounds. This invention also relates to layers and devices including at least one of the above compounds.
7504655 Multilayer structures as stable hole-injecting electrodes for use in high efficiency organic ele March 17, 2009
Multilayer anode structures (104) for electronic devices (100) such as polymer light-emitting diodes are described. The multilayer anodes include a high conductivity organic layer (114) adjacent to the photoactive layer (102) and a low conductivity organic layer (112) between the hig
7504472 Rapidly crystallizing polycarbonate composition March 17, 2009
This invention concerns a process for the preparation of semicrystalline polycarbonate compositions by synthesizing the polycarbonate in the presence of a sepiolite-type clay as a nucleating agent. The semicrystalline compositions produced are useful as starting materials for the pro
7504459 Methacrylate amide acetals in coatings March 17, 2009
The present invention relates to the use of (meth)acrylate functionalized amide acetals as reactive components with crosslinking agents to give new coatings compositions.
7504440 Poly(meth)acrylate compositions containing amide acetals March 17, 2009
The present invention relates to novel poly(meth)acrylate compositions formed by polymerization of (meth)acrylate amide acetals.
7504174 Unitized membrane electrode assembly and process for its preparation March 17, 2009
The invention provides a unitized membrane electrode assembly having a first gas diffusion backing having sealing edges; a polymer membrane; a second gas diffusion backing having sealing edges; a first electrocatalyst coating composition present at the interface of the first gas diff
7504150 Polymer-based capacitor composites capable of being light-activated and receiving direct metaliz March 17, 2009
The present invention relates generally to polymer composites having dispersed therein both useful spinel crystal fillers and ferroelectric (and/or paraelectric) fillers wherein the composite is both light activatable and can be used as a planar capacitor material. The light activati
7503969 Inkjet ink March 17, 2009
The present invention pertains to an inkjet ink with a self-dispersing pigment colorant and an aqueous vehicle comprising (a) 1,3-dimethyl urea and/or 1,1,3,3-tetramethyl urea and (b) diethylene glycol and/or triethylene glycol. The ink exhibits good print reliability and excellent l
7503258 Method and apparatus for thermal development with development medium remover March 17, 2009
This invention relates to a method and apparatus for thermally developing a photosensitive element. The thermal development method includes heating the photosensitive element to a temperature sufficient to cause a portion of a composition layer in the element to liquefy, soften, or melt,
7498427 Nucleotide sequences of a new class of diverged delta-9 stearoyl-ACP desaturase genes March 3, 2009
An isolated nucleic acid fragment encoding a diverged delta-9 fatty acid desaturase is disclosed. Also the construction of a chimeric gene encoding all or a portion of the diverged delta-9 fatty acid desaturase is disclosed, in sense or antisense orientation, wherein expression of th
7498423 Carbon nanotube-nucleic acid complexes March 3, 2009
Nucleic acid molecules in a stabilized solution such as single stranded DNA and RNA were able to disperse high concentration of bundled carbon nanotubes into aqueous solution.
7491419 Process for vehicle repair coating February 17, 2009
A process for repairing a vehicle coating, comprising the following steps: I) applying a UV radiation coating composition onto a coated vehicle or vehicle part, having a blemished area on the coated surface to be repaired, wherein the coating composition comprises A) at least one fr
7488975 Electronics devices comprising conductive members that connect electrodes to other conductive me February 10, 2009
An electronic device includes a substrate including a pixel driving circuit, a first conductive member, and a second conductive member. The first and second conductive members are spaced apart, the first conductive member is connected to the pixel driving circuit, and the second cond
7488381 Inkjet ink February 10, 2009
The present invention pertains to an aqueous inkjet ink containing 1,1-diethylurea in the liquid vehicle which provides good print reliability and excellent latency with dye colorants. The present invention further pertains to an ink set containing this aqueous inkjet ink, as well as
7487572 Hinge motion check friction device, methods incorporating the device, and uses thereof February 10, 2009
Hinge motion check friction device for incorporating into a hinge assembly useful for holding a hinge open at an selected position. The hinge motion check friction device is useful for incorporating into vehicle door hinges, particularly when the vehicle is being painting during manu
7479525 Coating compositions containing isocyanate-functional non-aqueous dispersed polymers January 20, 2009
A coating composition containing about 40-90% by weight of film forming binder and 10-60% by weight of an organic liquid carrier; wherein the binder contains about (a) 10-70% by weight, based on the weight of the binder, of a dispersed gelled acrylic polymer having (i) a core of g
7477394 Method for measuring a color property of a liquid using a liquid measurement cell having a trans January 13, 2009
A method for measuring a color property of a pressurized flowing liquid is characterized by contacting the liquid under test against a transparent partition spaced a predetermined distance from a transparent window. The partition has an index of refraction and a thickness dimension that
7476771 Azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride and uses ther January 13, 2009
Disclosed herein are azeotrope or near-azeotrope compositions comprising 2,3,3,3-tetrafluoropropene (HFC-1234yf) and hydrogen fluoride (HF). These compositions are useful in processes to produce and purify HFC-1234yf. Additionally, disclosed herein are processes for the manufacture of
7476378 Process for producing titanium dioxide January 13, 2009
This disclosure relates to a process for producing titanium dioxide, comprising: a) providing a quantity of liquid titanium tetrahalide for reacting with an oxygen-containing gas; b) vaporizing a first portion of the liquid titanium tetrahalide and reacting the titanium tetrahalide
7476340 Composition containing alloyed nanophene moieties January 13, 2009
Alloyed nanophenes comprising carbon, boron, and a Group V element other than nitrogen are provided. The alloyed nanophenes are useful, for example, as miniature electronic components, such as wires, coils, schottky barriers, diodes, inductors, memory elements, and other circuit devi
7476332 Heat transfer systems utilizing a polytrimethylene homo- or copolyether glycol based heat transf January 13, 2009
Heat transfer systems are provided. The heat transfer systems comprise an object in contact with a heat transfer fluid comprising (a) polytrimethylene homo- or copolyether glycol where from about 50 to 100 mole percent of the repeating units are trimethylene ether units, and (b) a bl
7476272 Aluminum trihydrate containing slurries January 13, 2009
The present invention relates to Aluminum trihydrate slurries comprising aluminum trihydrate particles, an acrylic dispersant, citric acid, synthetic hectorite clay, optionally a compound to adjust pH, a biocide and water. These slurries may be mixed with titanium dioxide slurries to
7473545 Enzymatic production of glycolic acid January 6, 2009
Various methods are provided for the enzymatic production of glycolic acid from glycolonitrile. These methods include: 1) use of Acidovorax facilis 72W nitrilase mutants having improved nitrilase activity for converting glycolonitrile to glycolic acid, and 2) methods to improve catalyst
7470818 Fluoroalkyl phosphate compositions December 30, 2008
A composition comprising a compound of formula (I) or (II): ##STR00001## wherein r and q are independently integers of 1 to 3; R.sub.f is linear or branched chain perfluoroalkyl group having 1 to 6 carbon atoms; j is an integer 0 or 1, or a mixture thereof, x is 1 or 2, Z is --O-- or
7470607 Transparent oxide semiconductor thin film transistor December 30, 2008
This invention relates to novel, transparent oxide semiconductor thin film transistors (TFT's) and a process for making them.
7470452 Process for multilayer coating of substrates December 30, 2008
The invention relates to a process for multi-layer coating of substrates, in particular vehicles and vehicle parts, by applying two or more coating layers and curing of the applied coatings, wherein at least one of the coating layers is produced from a coating composition which comprises
7467047 Method of discovering patterns in symbol sequences December 16, 2008
A method of discovering one or more patterns in two sequences of symbols S.sub.1 and S.sub.2 includes the formation, for each sequence, of a master offset table that groups for each symbol the position in the sequence occupied by each occurrence of that symbol. The difference in posi
7466415 Method of producing matched coating composition and device used therefor December 16, 2008
The present invention is directed to a method and device that use spectral measurements of the color of a target coating on a substrate, such as auto body being matched. The method utilizes pigment mixture models to produce a matched coating composition that when applied as a coating
7465813 Process for making 5-methyl-N-alkyl-2-pyrrolidone from alkyl amine(s) and levulinic acid December 16, 2008
This invention relates to a process for producing a reaction product comprising 5-methyl-N-alkyl-2-pyrrolidone by (a) reacting levulinic acid with alkyl amine(s) and (b) hydrogenating the products of step (a) in the presence of a metal catalyst, which is optionally supported.
7465782 Method for making polybenzobisoxazole containing fiber December 16, 2008
A method of making polybenzobisoxazole containing fiber by use of a non-polybenzobisoxazole polymer, hydroxylating the polymer, forming the polymer into a fiber and heating the fiber wherein ring closure occurs in the hydroxylated polymer.
7465781 Method for making polybenzobisoxazole containing polymer December 16, 2008
A method of making polybenzobisoxazole containing polymer by use of a non-polybenzobisoxazole polymer, hydroxylating the polymer, forming a solidified polymer and heating the solidified polymer wherein ring closure occurs in the hydroxylated polymer.
7465565 Methods of increasing triacylglycerol content in oleaginous yeasts via expression of acyltransfe December 16, 2008
Two acyltransferases are provided, suitable for use in the manufacture of microbial oils enriched in omega fatty acids in oleaginous yeast (e.g., Yarrowia lipolytica). Specifically, the genes encoding phophatidylcholine-diacylglycerol acyltransferase (PDAT) and diacylglycerol acyltra
7449242 Durable coating compositions containing novel aspartic amine compounds November 11, 2008
A coating composition comprising a binder of a. polyisocyanate crosslinking agent; b. an isocyanate-reactive component having at least one compound having the following formula (I) including isomers and mixtures of isomers thereof: ##STR00001## wherein R, R.sup.1, R.sup.2, X, Y,
7427647 Durable coating compositions containing aspartic amine compounds with improved potlife September 23, 2008
A coating composition useful for coating automobile and truck bodies comprising a binder of a. polyisocyanate crosslinking agent; b. an isocyanate-reactive component having at least one compound having the following formula: ##STR00001## whereinX, Y, R.sup.1, R.sup.2, m and n ar
7422767 Process for the production of paint coating layers September 9, 2008
A process for the production of a coating layer from a thermally curable coating composition on a substrate, comprising the successive steps: a) providing a substrate to be coated, b) applying a backing foil coated on one side with an uncured or at least only partially cured coating laye
7402624 Graft copolymers with segmented arms and their preparation and use July 22, 2008
Graft copolymers with segmented (or block) arms and a process for preparing the same. Such polymers are particularly useful in formulating air-dry clear coat and color coat lacquers used in automotive refinishing.
7374650 Cathodic electrodeposition coating agents containing bismuth salts together with yttrium and/or May 20, 2008
Waterborne cathodic electrodeposition (CED) coating agents comprising resin solids and optionally pigments, fillers, organic solvents and conventional coating additives, wherein said CED coating agents comprise at least one bismuth salt selected from the group consisting of bismuth h
7361383 Process for multilayer coating of substrates April 22, 2008
The invention is directed to a process for multilayer coating of substrates which comprises a) applying a filler layer of a filler coating composition to a substrate, b) curing the resultant filler layer by irradiation with high energy radiation and c) applying a top coat layer to
7358234 Induction of a protective immune response through microprojectiles coated with a DNA sequence en April 15, 2008
The present invention relates to a process for inducing a protective immune response in a mammal against a virus, in which a construct including a promoter and a DNA sequence encoding a protein or peptide producing an immune response against the virus is introduced into muscle or ski
7351446 Process for the production of paint coating layers April 1, 2008
A process for the production of a coating layer from a thermally curable coating composition on a substrate, comprising the successive steps: a) providing a substrate to be coated, b) applying a backing foil coated on one side with an uncured or at least only partially cured coating la
7348468 Wuschel (wus) gene homologs March 25, 2008
This invention relates to an isolated nucleic acid fragment encoding a WUS protein. The invention also relates to the construction of a chimeric gene encoding all or a portion of the WUS protein, in sense or antisense orientation, wherein expression of the chimeric gene results in pr
7339092 Plant activation of Cry8Bb1 by insertion of a plant protease-sensitive site March 4, 2008
Compositions and methods for protecting a plant from an insect pest are provided. In particular, nucleic acid sequences encoding insect protoxins modified to comprise at least one proteolytic activation site that is sensitive to a plant protease or an insect gut protease are provided.
7323623 RHIZOC3 nucleic acid molecules January 29, 2008
The present invention is directed to nucleic acid molecules tat encode defensive polypeptides and methods of their use in enhancing disease resistance of a plant to a fungal pathogen. Vectors, expression cassettes, viruses, cells, and plants comprising a nucleotide sequence of the in
7323234 Curable alkanolamine containing epoxy powder coating composition January 29, 2008
The present invention provides a curable alkanolamine containing epoxy powder coating composition comprising at least one epoxy resin, at least one alkanolamine, a curing agent in an amount effective to cure the coating and optionally at least one zinc borate compound. Further, the p
7288589 Pigment dispersions for solventborne coatings with improved rheology October 30, 2007
A pigment dispersion with improved rheology useful for forming solventborne paint compositions is disclosed. The dispersion comprises a copolymer pigment dispersant having at least one quaternary ammonium functional group; a pigment having a pH below 7.0; and an organic liquid carrie
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