E. I. DU PONT NEMOURS AND COMPANY Patent applications |
Patent application number | Title | Published |
20150118144 | DISPERSIBLE METAL CHALCOGENIDE NANOPARTICLES - The present invention relates to dispersible binary and ternary metal chalcogenide nanoparticle compositions that are substantially free of organic stabilizing agents. These nanoparticle compositions can be used as precursor inks for the preparation of copper zinc tin chalcogenides and copper indium gallium chalcogenides. In addition, this invention provides processes for manufacturing coated substrates and thin films of copper zinc tin chalcogenide and copper indium gallium chalcogenide. This invention also provides process for manufacturing photovoltaic cells incorporating such thin films. | 04-30-2015 |
20140141972 | ANTHRANILAMIDE ARTHROPODICIDE TREATMENT - This invention pertains to methods for protecting a propagule or a plant grown therefrom from invertebrate pests comprising contacting the propagule or the locus of the propagule with a biologically effective amount of a compound of Formula I, its N-oxide or an agriculturally suitable salt thereof | 05-22-2014 |
20140073736 | CURABLE COMPOSITION COMPRISING BIS-BENZOXAZINE, METHOD OF CURING, AND THE CURED COMPOSITION SO FORMED - The present invention deals with a novel curable composition comprising bis-benzoxazine and an amine-functionalized triazine, especially a di-isoimide, and the use thereof in the preparation of encapsulated printed wiring boards, especially flexible printed wiring boards. The curable composition hereof beneficially effects crosslinking of bis-benzoxazine at a lower temperature than has heretofore been provided in the art. | 03-13-2014 |
20140056002 | THREE DIMENSIONAL LIGHT EMITTING DIODE SYSTEMS, AND COMPOSITIONS AND METHODS RELATING THERETO - A flexible layered structure is disclosed having a flexible top conductive layer, a flexible bottom heat sink layer and a flexible dielectric middle layer. The combination has a longitudinal axis and a plurality of defined positions spaced along the longitudinal axis. The defined positions can be used for aligning a circuit and/or for the placement of LED lights. The flexible layered structure can be easily bent to form a LED substrate for shining light in more than one direction while efficiently removing heat arising from the LEDs. | 02-27-2014 |
20130061919 | METHOD OF MANUFACTURING SOLAR CELL ELECTRODE - A method of manufacturing an n-type electrode comprising the steps of: preparing an N-type base semiconductor substrate, comprising an n-base layer, a p-type emitter on the n-base layer, a first passivation layer on the p-type emitter, and a second passivation layer on the n-base layer; applying a conductive paste onto the second passivation layer on the n-base layer, wherein the conductive paste comprises, (i) 100 parts by weight of a conductive powder, (ii) 0.1 to 10 parts by weight of an aluminum powder with particle diameter of 2 to 12 μm, (iii) 3.5 to 25 parts by weight of a glass frit, and (iv) an organic medium; and firing the conductive paste at temperature of 910° C. or lower. | 03-14-2013 |
20120273390 | LIQUID-FULL HYDROPROCESSING TO IMPROVE SULFUR REMOVAL USING ONE OR MORE LIQUID RECYCLE STREAMS - The present invention provides a process for hydroprocessing hydrocarbons in liquid full reactors with one or more independent liquid recycle streams. The process operates as a liquid-full process, wherein all of the hydrogen dissolves in the liquid phase and one or more of the recycle streams may actually be zero. Hydrocarbons can be converted in the process to provide liquid products such as clean fuels with multiple desired properties. | 11-01-2012 |
20120105558 | AQUEOUS INK JET INK COMPRISING A CROSSLINKING PIGMENT DISPERSION BASED ON DIBLOCK POLYMERIC DISPERSANTS - The present disclosure provides an aqueous ink jet ink comprising an ink vehicle and an aqueous dispersion, wherein the aqueous dispersion comprises a solid particle and a polymeric dispersant that has been crosslinked, wherein the polymeric dispersant is a block copolymer comprising an A block and a B block, wherein the A block is a segment having a block size of about 5 to about 18 units, and comprises at least 50% by weight of a monomer, having the following structure: CH | 05-03-2012 |
20120004194 | ALDEHYDE-FUNCTIONALIZED POLYSACCHARIDES - Novel aldehyde-functionalized polysaccharide compositions are described that are more stable in aqueous solution than oxidized polysaccharides or other types of polysaccharides containing pendant aldehyde groups. The aldehyde-functionalized polysaccharides may be reacted with various amine-containing polymers to form hydrogel tissue adhesives and sealants that may be useful for medical applications such as wound closure, supplementing or replacing sutures or staples in internal surgical procedures such as intestinal anastomosis and vascular anastomosis, tissue repair, preventing leakage of fluids such as blood, bile, gastrointestinal fluid and cerebrospinal fluid, ophthalmic procedures, drug delivery, and preventing post-surgical adhesions. | 01-05-2012 |
20110144377 | PROCESS FOR THE BIOLOGICAL PRODUCTION OF 3-HYDROXYPROPIONIC ACID WITH HIGH YIELD - The present invention provides a microorganism useful for biologically producing 3-hydroxypropionic acid from a fermentable carbon source. Further, the microorganism comprises disruptions in specified genes and alterations in the expression levels of specified genes that are useful in a higher yielding process to produce 3-hydroxypropionic acid, compositions comprising renewably sourced 3-hydroxypropionic acid provided by said microorganism, and industrial relevant products made using such renewably sourced 3-hydroxypropionic acid. | 06-16-2011 |
20100224523 | SUPPORT BAR AND SUBSTRATE CASSETTE - The present invention relates to a substrate cassette support bar in a substrate cassette for housing a plurality of horizontally oriented substrates in multiple levels in the vertical direction, the substrate bar being arranged so as to inhibit bending of the central portion of each substrate, comprising: an upper plate made of a carbon fiber composite material; a lower plate made of a carbon fiber composite material; and an intermediate member disposed between the upper plate and the lower plate, and made of a material other than a carbon fiber composite material. | 09-09-2010 |
20090155584 | Highly Flame Retardant Panels - A flame retardant panel structure comprises at least one external metal layer, one or more tie layers comprising one or more functionalized polymers, and a core layer made of a fabric made of glass fibers. The flame retardant panel structure shows comparable flame retardancy properties while being manufactured at reasonable costs with conventional processes such as for example extrusion or calendering. The flame retardant panel structures can be used in applications where flame retardancy and/or fire protection is needed, such as for example in building and construction applications, automotive or railways applications, medical equipments and luggage. | 06-18-2009 |