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Assignee: E.I. DuPont de Nemours and Company


Location: Wilmington, DE
No. of patents: 347

1                  
NumberTitleIssue Date
8153834Surface modified inorganic particles
The present invention relates to particles, i.e., oxides of Si, Ti, Zn, Zr, Mn, Al and combinations thereof, where at least one particle has a surface covalently bonded to at least one fluorosilane group. The particle is first bonded to a divalent organic linking gr...
04/10/2012
8148077Method for identifying novel genes
Methods and compositions for identifying novel genes that share regions of homology with known genes from target groups of genes of interest are provided. The methods comprise systematically designing oligonucleotide primers that are specific for regions of homology...
04/03/2012
8123890Process for preparing an elastic nonwoven web
A process of preparing an elastic thermally bonded nonwoven web, whereby the process is characterized by the following steps: (i) providing a thermally bonded nonwoven precursor web containing thermoplastic fibers, (ii) subjecting the precu...
02/28/2012
8084569Process for the synthesis of diaminopyridines from glutarimidines
A liquid-phase process is provided for the synthesis from glutarimidines of diaminopyridines and related compounds, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a deh...
12/27/2011
8071736Nucleic acid molecules encodng a cathepsin L-like cysteine protease
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 pro...
12/06/2011
8026415Defensin polynucleotides and methods of use
Methods and compositions for modulating development and defense responses are provided. Nucleotide sequences encoding defensin proteins are provided. The sequences can be used in expression cassettes for modulating development, developmental pathways, and defense re...
09/27/2011
8022107Fluorinated polyoxyalkylene glycol diester surfactants
A fluorinated polyoxyalkylene glycol diester surfactant of formula 1 B—X—COCH2O—[—CpH2pO—]n—CH2CO—X—Ra  (1) wherein B is M or...
09/20/2011
8003831Process for the synthesis of dihalodinitrobenzenes
A process is provided for the preparation of 1,3-dihalo-4,6-dinitrobenzene by the nitration of 1,3-dihalobenzene. The direct isolation of highly pure 1,3-dihalo-4,6-dinitrobenzene is accomplished without a water or ice quench, and involves the use of at least one eq...
08/23/2011
7973218Methods and compositions for controlling weeds
Methods and compositions are provided related to improved plants that are tolerant to more than one herbicide. Particularly, the invention provides plants that are tolerant of glyphosate and are tolerant to at least one ALS inhibitor, and methods of use thereof. The...
07/05/2011
7932033Corn event DAS-59122-7 and methods for detection thereof
The invention provides DNA compositions that relate to transgenic insect resistant maize plants. Also provided are assays for detecting the presence of the maize DAS-59122-7 event based on the DNA sequence of the recombinant construct inserted into the maize genome ...
04/26/2011
7914890Cyclic olefin-maleic acid copolymers for stain resists
A polyamide substrate having deposited thereon a copolymer effective to impart resistance to staining by turmeric wherein said copolymer comprises polymer units derived from (a) at least one cyclic olefin having from 5 to 12 carbon atoms, and (b) maleic anhydride wh...
03/29/2011
7910807Plant activation of insect toxin
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 pro...
03/22/2011
7893324Compositions and methods for altering alpha- and beta-tocotrienol content using multiple transgenes
Preparation and use of isolated nucleic acids useful in altering the oil phenotype of plants are described. Isolated nucleic acids and their encoded polypeptides are described that alter alpha- and beta-tocotrienol content in transformed seeds and oil obtained from ...
02/22/2011
7875429Corn event DAS-59122-7 and methods for detection thereof
The invention provides DNA compositions that relate to transgenic insect resistant maize plants. Also provided are assays for detecting the presence of the maize DAS-59122-7 event based on the DNA sequence of the recombinant construct inserted into the maize genome ...
01/25/2011
7863502Delta-8 desaturases and their use in making polyunsaturated fatty acids
Isolated nucleic acid fragments and recombinant constructs comprising such fragments encoding delta-8 desaturases along with a method of making long-chain polyunsaturated fatty acids (PUFAs) using these delta-8 desaturases in plants and oleaginous yeast. ...
01/04/2011
7829477Fluorinated water soluble copolymers
A method of providing water repellency, oil repellency, soil resistance, soil release, stain resistance and stain release to substrates comprising contacting said substrate with a composition comprising a copolymer having repeating units of Formula 1 in any sequence...
11/09/2010
7812216Compositions related to the quantitative trait locus 6 (QTL6) in maize and methods of use
Compositions related to the quantitative trait locus 6 (QTL6) in maize and methods for their use are provided. The compositions are novel molecular marker loci that are genetically linked with QTL6 and which are associated with increased oil content and/or increased...
10/12/2010
7803992Methods and compositions for expressing an herbicide-tolerant polynucleotide
Methods and compositions are provided related to improved plants that are tolerant to more than one herbicide. Particularly, the invention provides plants that are tolerant of glyphosate and are tolerant to at least one ALS inhibitor, and methods of use thereof. The...
09/28/2010
7741088Immobilized microbial nitrilase for production of glycolic acid
The present invention is directed to a process for improving the specific activity of a dehydrated enzyme catalyst having nitrilase activity for hydrolysis of glycolonitrile to glycolic acid upon rehydration. In particular, a process is provided comprising pretreati...
06/22/2010
7730952Hydraulic fracturing methods using cross-linking composition comprising zirconium triethanolamine complex
A method for hydraulically fracturing a subterranean formation comprises introducing into the formation a cross-linking composition which comprises a zirconium triethanolamine complex, a tetra(hydroxyalkyl)ethylenediamine, water, a cross-linkable organic polymer, an...
06/08/2010
7713894Process for preparing an elastic nonwoven web
A process of preparing an elastic thermally bonded nonwoven web, whereby the process is characterized by the following steps: (i) providing a thermally bonded nonwoven precursor web containing thermoplastic fibers,
05/11/2010
7582585Coating compositions
Coating compositions are provided that include a component that is a product of materials comprising an amine and an anhydride and/or an anhydride derivative. Compositions of the invention are particularly useful as an underlying antireflective coating composition (...
09/01/2009
7569527Fluoro derivative-substituted aryl pnictogens and their oxides
Substituted aryl pnictogen derivative compositions having the structure of [Rf1-(CtR(u+v))]mE(O)n(CtR1(u+v+1))(3-m) wherein E is phosph...
08/04/2009
7528277Method to produce a carboxylic acid ester from a carboxylic acid ammonium salt by alcoholysis
The present invention relates to a method for obtaining a carboxylic acid ester from an aqueous solution of the corresponding carboxylic acid ammonium salt using alcoholysis. The recovered carboxylic acid ester may be subsequently hydrolyzed to produce the correspon...
05/05/2009
7473848Crust resistant twisted pair communications cable
Communication cable is provided comprising a twisted pair of polymer insulated conductors, the twisting to form the twisted pair forcing the surface of polymer insulation of each polymer-insulated conductor of said polymer-insulated conductors into contact with one ...
01/06/2009
7462760Genes encoding plant protease-resistant pesticidal proteins and method of their use
Compositions and methods for protecting a plant from an insect pest are provided. The invention provides mutagenized nucleic acids that have been engineered to encode pesticidal polypeptides having increased resistance to proteolytic degradation by a plant protease....
12/09/2008
7462387Fluoropolymer release coating having improved heat transfer properties and abrasion resistance
The invention relates to a structure comprising a substrate and a baked release coating on the substrate, the coating comprising an undercoat and a fluoropolymer overcoat, wherein said undercoat contains magnetizable flakes and a plurality of silicon carbide particl...
12/09/2008
7462304Conductive compositions used in the manufacture of semiconductor device
The present invention is directed to a thick film conductive composition comprising: (a) electrically conductive silver powder; (b) Mn-containing additive; (c) glass frit wherein said glass frit has a softening point in the range of 300 to 600° C.; dispersed in (d)...
12/09/2008
7462298Water dispersible polyanilines made with polymeric acid colloids for electronics applications
Compositions are provided comprising aqueous dispersions of polyaniline and colloid-forming polymeric acids. Films from invention compositions are useful as buffer layers, in organic electronic devices including electroluminescent devices, such as organic light emit...
12/09/2008
7462227Ibuprofen complexes as wood preservatives
Complexes of ibuprofen and copper and/or zinc 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 lasting preserva...
12/09/2008
7462217Method of preparation for the high performance thermoelectric material indium-cobalt-antimony
The present invention relates to a process for the preparation of thermoelectric compositions of the formula InxCO4Sb12 (0
12/09/2008
7460958Computer-implemented system and method for analyzing mixtures of gases
A computer-implemented system and method for converting the resistances of an array of metal oxide sensors into constituents and concentrations of a multi-component gas provided around the sensor array. The method includes preprocessing the resistances of the sensor...
12/02/2008
7459546Glyceraldehyde-3-phosphate dehydrogenase and phosphoglycerate mutase regulatory sequences for gene expression in oleaginous yeast
The regulatory sequences associated with the Yarrowia lipolytica glyceraldehyde-3-phosphate dehydrogenase (gpd) and phosphoglycerate mutase (gpm) genes have been found to be particularly effective for the expression of heterologous genes in oleaginous yeast. ...
12/02/2008
7459521Heat-sealable polyolefins and articles made therefrom
Polyolefins, preferably polyethylene, having a density of about 0.86 to about 0.93 g/mL, having three or more or branches of the formula (CH2CH2)mH wherein m is an integer of one or more, provided that said branched polyolefin has on...
12/02/2008
7459215Carbon fiber composite transfer member with reflective surfaces
A method of transporting precision equipment materials without absorption of thermal energy through the heat sensitive material or device such as flat panel displays. The transfer member has a carbon fiber reinforced composite material body with a layer of metal fil...
12/02/2008
7456334Maize Cr1bio gene promoter and its use to direct root-preferred transgene expression in plants
The present invention provides compositions and methods for regulating expression of heterologous nucleotide sequences in a plant. Compositions include a novel nucleotide sequence for a root-preferred promoter for the gene encoding Cr1Bio. A method for expressing a ...
11/25/2008
7456314Partially fluorinated ionic compounds
Partially fluorinated ionic compounds are prepared. They are useful in the preparation of partially fluorinated dienes, in which the repeat units are cycloaliphatic. ...
11/25/2008
7456238Fabricated resin products for laser welding and including transmitting and absorbing black colorants, and colored resin compositions therefor
Novel fabricated resin products are described and having suitability for laser welding applications. These contain a resin part for transmitting black colorant and a resin part for absorbing black colorant. ...
11/25/2008
7455793Non-aqueous dispersions comprising electrically doped conductive polymers and colloid-forming polymeric acids
Compositions, and methods of making, are provided comprising non-aqueous dispersions of at least one doped conductive polymer and at least one colloid-forming polymeric acid, wherein the conductive polymer is selected from a polythiophene, a polypyrrole, a polyanili...
11/25/2008
7455750Meta- and para-aramid pulp and processes of making same
The present invention relates to meta- and para-aramid pulp for use as reinforcement material in products such as seals and friction materials. The pulp comprises (a) fibril free meta-aramid particles, (b) irregularly shaped, para-aramid fibrous structures, and (c) ...
11/25/2008
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