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E.I. DuPont de Nemours & Company Patents
Assignee:
E.I. DuPont de Nemours & Company
Address:
Wilmington, DE
No. of patents:
255
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
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
7273530 Process for the production of decorative coatings on substrates September 25, 2007
The invention relates to a process for the production of decorative coatings, comprising the following steps: A) providing a substrate to be coated and a backing film coated on one side with an uncured or only partially cured coating of a coating composition curable by means of hig
7268182 Polytrimethylene ether diol containing coating compositions September 11, 2007
A coating composition comprising a film forming binder of a. at least one polymer that has pendant groups, such as, hydroxyl, carboxyl, glycidyl, amine, amide, silane and mixtures thereof that are reactive with a crosslinking component and the polymer has a glass transition tempera
7208099 Refrigerant compositions comprising 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane and a hydrofluor April 24, 2007
Disclosed herein are 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane refrigerant or heat transfer fluid compositions further comprising at least one hydrofluorocarbon, which are useful in refrigeration or air conditioning apparatus or as heat transfer fluids. The compositions of the pres
7202214 Rhizoc3 antimicrobial polypeptides and their uses April 10, 2007
The methods and compositions of the present invention find use in impacting microbial pathogens and in enhancing disease resistance to pathogens, particularly by plants. The compositions of the invention include polypeptides that possess antimicrobial properties, particularly fungici
7169475 Coating composition containing polytrimethylene ether diol useful as a clear coat composition an January 30, 2007
A coating composition comprising a film forming binder of a. an acrylic polymer having pendant groups that are reactive with isocyanate moieties and having a glass transition temperature (Tg) of 10 to 80.degree. C.; b. a polytrimethylene ether diol having a Mn (number average molecular
7071381 Plant vitamin e biosynthetic enzymes July 4, 2006
This invention relates to an isolated nucleic acid fragment encoding a vitamin E biosynthetic enzyme. The invention also relates to the construction of a chimeric gene encoding all or a portion of the vitamin E biosynthetic enzyme, in sense or antisense orientation, wherein expressio
7049115 Genes encoding denitrification enzymes May 23, 2006
This invention relates to the isolation of nucleic acid fragments from Methylamons sp. that encode enzymes involved in denitrification. The enzymes arc useful in denitrification reactions and for the identification of other denitrifying bacteria. In addition, this invention also rela
6908992 Methanotrophic carbon metabolism pathway genes and enzymes June 21, 2005
Genes have been isolated from a Methylomonas sp encoding enzymes in the carbon flux pathway. The genes encode a 2-keto-3-deoxy-6-phosphogluconate (KDPGA) and a fructose bisphosphate aldolase (FFBPA), as well as numerous other genes. The genes will be useful in C1 metabolizing microorgani
6849783 Plant biotin synthase February 1, 2005
This invention relates to an isolated nucleic acid fragment encoding a biotin synthases. The invention also relates to the construction of a chimeric gene encoding all or a portion of the biotin synthases, in sense or antisense orientation, wherein expression of the chimeric gene results
6664399 Triazole linked carbohydrates December 16, 2003
Disclosed is an invention concerning triazolyloligosaccharides, oligosaccharides wherein the bonding between the saccharide groups is via a triazole group and methods for their preparation.
6656577 Process for making poly(ethylene-co-isosorbide) terephthalate polymer December 2, 2003
The present invention is a process for making a low color copolymer of ethylene glycol, isosorbide and terephthalic acid or dimethyl terephthalate. This copolymer, poly(ethylene-co-isosorbide) terephthalate, is useful for making bottles, hot-fill containers, films, sheet, fiber, stra
6620987 Nucleic acid encoding a starch R1 phosphorylation protein homolog from maize September 16, 2003
An isolated polynucleotide comprising a nucleotide sequence encoding a polypeptide having starch R1 phosphorylation activity, or the complement of the nucleotide sequence. Plant transformation and regeneration methods using the polynucleotides. Vectors and recombinant DNA constructs
6610521 Plant caffeic acid 3-O-methyltransferase homologs August 26, 2003
This invention relates to an isolated nucleic acid fragment encoding a protein involved in phenylpropanoid metabolism. The invention also relates to the construction of a chimeric gene encoding all or a portion of the protein involved in phenylpropanoid metabolism, in sense or antisense
6573426 Gene involved in pyrimidine biosynthesis in plants June 3, 2003
This invention relates to an isolated nucleic acid fragment encoding an OMP decarboxylase. The invention also relates to the construction of a chimeric gene encoding all or a portion of the OMP decarboxylase, in sense or antisense orientation, wherein expression of the chimeric gene resu
6482511 Laser markable monofilaments November 19, 2002
A polymer monofilament, which includes up to five percent by weight of at least one radiation-sensitive, mark-forming additive, said weight percentage based on the total weight of the polymer and additive only, is marked with a laser. The laser-marked monofilament may be used as a br
6478925 Bristle sub-assemblies having parallel pairs of bristles; and methods of making same November 12, 2002
An apparatus for forming bristle sub-assemblies includes a vertically oriented slot, which is formed by two endless belts. A wheel disposed above the slot pushes a bristle string into the slot. The bristle string has a plurality of bristles connected to a base string in two rows. The
6478907 Bristle sub-assemblies having parallel pairs of bristles; and methods of making same November 12, 2002
An apparatus for forming bristle sub-assemblies includes a vertically oriented slot, which is formed by two endless belts. A wheel disposed above the slot pushes a bristle string into the slot. The bristle string has a plurality of bristles connected to a base string in two rows. The
6468641 Backlit display composite film October 22, 2002
A composite film is described which consists of a primary unfilled polyester layer and a secondary polyester layer containing from 1 to 8% by weight, based on the weight of the secondary polyester layer, of finely divided silica particles having a volume weighted mean particle size d
6461856 Genes encoding picric acid degradation October 8, 2002
A 12 kb gene cluster has been isolated from Rhodococcus erythropolis containing several open reading frames implicated in the degradation of picric acid. The gene cluster contains 12 ORF's, all of which were isolated by a method employing differential gene display.
6455730 Preparation of dicarboxylic acid monoesters from cyanocarboxylic acid esters September 24, 2002
This invention relates to a process for preparing dicarboxylic acid monoesters from cyanocarboxylic acid esters. More particularly, using the nitrilase from Acidovorax facilis 72W (ATCC 55745) in various forms as an enzyme catalyst, an aliphatic or aromatic cyanocarboxylic acid ester is
6441274 Plant tryptophan synthase beta subunit August 27, 2002
This invention relates to an isolated nucleic acid fragment encoding a plant tryptophan synthase beta subunit. The invention also relates to the construction of a chimeric gene encoding all or a substantial portion of the plant tryptophan synthase beta subunit, in sense or antisense
6437041 Aqueous coating agent, preparation of the same and use thereof for multi-layered lacquering August 20, 2002
Aqueous coating agents suitable for multi-layered finishes containing an aqueous binder dispersion based on polyurethane/polymer hybrid polymers with a ratio by weight of polyurethane fraction to polymer fraction of 0.1:1 to 50:1, with a hydroxyl value of 0 to 150 mg KOH/g, an acid value
6436236 Electrically-conductive para-aramid pulp August 20, 2002
The present invention relates to electrically-conductive pulp of sulfonated polyaniline blended with para-aramid wherein the para-aramid is a continuous phase in the pulp and the sulfonated polyaniline is a discontinuous phase.
6433117 Phosphorylated polymer dispersants for inks August 13, 2002
The present invention relates to aqueous ink jet inks containing a copolymer dispersant comprising at least one polymerized monomer having the general formula:where a=0 or 1; when a=1, X is an akyl, aryl, or alkaryl diradical connecting group of 1-9 carbon atoms; b and c are independentl
6433106 Toughened polyacetal resin composition August 13, 2002
A toughened polyacetal resin composition, and a process for making same, is provided by mixing a polyacetal masterbatch component, prepared from polyacetal and a relatively large amount of polyurethane, with a polyacetal dilution component so as to generate a blended composition in w
6432485 Epoxide/amine based aqueous coating agents and use thereof in multicoat lacquers August 13, 2002
An aqueous surface coating agent containing A) an amine component consisting of aminourethanes Al), which are obtainable by reacting compounds with at least one cyclic carbonate group with amines with at least one primary amine group, wherein the ratio of the number of cyclic carbonat
6432483 Polyacrylics containing pendant acetoacetonate moieties August 13, 2002
A liquid coating composition curable at ambient temperature comprising a polyacetoacetate-containing component and a polyamine component, the former comprising bulky pendant moieties that contribute to rapid cure and robust films of good early hardness.
6429258 Polymerization of fluoromonomers August 6, 2002
Aqueous dispersion polymerization of fluoromonomers is improved by using a combination of fluorosurfactants, one of which is a perfluoropolyether carboxylic acid or salt.
6429237 Wire coating compositions August 6, 2002
A process for high speed melt extrusion onto wire conductors of fluoropolymer pigmented with oxide-coated titanium dioxide.
6428898 Silicon reactive oligomers and coating compositions made therefrom August 6, 2002
The present invention is directed to low VOC curable coating compositions suitable for use in various mar and etch resistant coatings, such as in automotive coatings. The binder of the composition includes silicon/hydroxyl and cross-linking components. The silicon/hydroxyl component
6428843 Process for recycling of powder coating waste August 6, 2002
A process for the recycling of polymeric powder coating waste involves the steps of contacting polymeric powder coating chips with the powder coating waste to form a combination, by applying the powder coating waste to at least a portion of the surface of the powder coating chips, follow
6426432 One step process for producing dicarboxylic acids July 30, 2002
A process for making an alkanedioic acid in which a mixture of a cycloalkene, a base and a solvent is contacted simultaneously with both oxygen and ozone at a temperature between 40 and 60 degrees Centigrade.
6426148 Oligomeric epoxy/isocyanate systems July 30, 2002
A curable coating composition comprising, in an organic solvent, a binder of (i) a non-isocyanate oligomer or blend of oligomers containing at least two functional groups with at least one being an epoxy group, the remaining being epoxy or hydroxyl; (ii) optionally a polyester, oligo
6425430 Apparatus for making composite sheet July 30, 2002
A process and an apparatus for high speed manufacture of a composite sheet material, which includes a cylindrical cam-driven strand-traverse guide that can loop strands around pins projecting from a pair of advancing pin conveyors which can transfer the strands to the surface of a moving
6423789 Process to produce poly(alkylene ether)glycol-containing polyesters July 23, 2002
A process for producing a polyester that comprises 65 to 90 wt. % poly(alkylene ether) glycol. The process comprises the step of copolymerizing a preformed polyester polymer having an inherent viscosity of at least 0.4 dL/g and a poly(alkylene ether) glycol, to obtain said polyester
6422118 Braided cord splice July 23, 2002
The present invention relates to spliced, braided, cords having a nearly constant cross-section along the cord and at the location of the splice. The invention also relates to a splicing process.
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