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| Number | Title | Issue Date |
| 7470380 | Conductor compositions for use in electronic circuits A conductive composition consisting essentially of (a) 50-95 wt % finely divided particles of an electrically-conductive material dispersed in (b) a liquid vehicle, for use in the manufacture of an electrically-conductive pattern on a substrate for the use of reduci... | 12/30/2008 |
| 7435361 | Conductive compositions and processes for use in the manufacture of semiconductor devices The present invention is directed to a thick film conductive composition comprising: (a) electrically conductive silver powder; (b) zinc-containing additive; (c) glass frit wherein said glass frit is lead-free; dispersed in (d) organic medium. The present invention ... | 10/14/2008 |
| 7233019 | Electroluminescent silylated pyrenes, and devices made with such compounds This invention relates to electroluminescent silylated pyrene compounds. It also relates to electronic devices in which the active layer includes an electroluminescent silylated pyrene compound. ... | 06/19/2007 |
| 6710010 | Zirconia catalysts for nitrous oxide abatement This invention relates to methods of producing catalysts comprising zirconia and their use in nitrous oxide abatement. The catalysts have relatively high crush strength and relatively low density when compared to those catalysts made by previously known methods.... | 03/23/2004 |
| 5254718 | Esters of unsymmetrically 2-substituted glycolic acid dimers This invention concerns esters of unsymmetrically 2-substituted glycolic acid dimers, a process for their preparation and their use in the preparation of unsymmetrically 3,6-substituted 1,4-dioxane-2,5-diones.... | 10/19/1993 |
| 5243037 | Poly(fluoroalkyl) sugar reagents for surface modification of supports Poly(fluoroalkyl) sugar reagents are prepared containing a sugar such as a monosaccharide or a disaccharide to which are bonded multiple fluoroalkyl anchor groups capable of attaching to a fluorocarbon surface, and either a reactive group capable of coval... | 09/07/1993 |
| 5233004 | Chromium carbonyl complexes of polyamide Disclosed herein are chromium carbonyl complexes of polyamides containing units derived from aromatic diamines in which about 10 to about 90% of those units are complexed with a chromium carbonyl compound, and a process for making them. When aramids are u... | 08/03/1993 |
| 5233071 | Hydrosilation of fluorinated olefins with cobalt catalysts Alpha-fluorinated olefins are hydrosilated using selected cobalt compounds as catalysts. The products are useful in coatings, and as chemical intermediates, elastomers, and caulks.... | 08/03/1993 |
| 5231154 | Iodine containing chain transfer angents for fluoropolymer polymerizations An improved process for the polymerization of fluoromonomers to fluoropolymers which comprises using as a chain transfer agent the compound Y(CF2)m CH2 CH2 I, wherein m is 3 to 12, and Y is F or --CH2... | 07/27/1993 |
| 5229250 | Element containing acrylic amphoteric polymers Amphoteric polymers prepared by polymerization of (a) acrylic acid, (b) N,N-dimethyl- or N,N-diethylaminoethyl methacrylate and, optionally, (c) esters of methacrylic or acrylic acid prepared by (i) emulsion polymerization of (b), (c) and the methyl ester... | 07/20/1993 |
| 5229244 | Dry processible photosensitive composition including photo-acid generator and optically clear polymer (co-polymer) blend that becomes tacky upon exposure to actinic radiation The present invention concerns a phototackifiable composition useful as a coating on a substrate consisting of an optically clear blend of two or more polymers and a photosensitive compound that forms a strong acid on exposure to actinic radiation. The in... | 07/20/1993 |
| 5227500 | Halogenated 1,3-dioxolanes and derivatives There are disclosed halogenated dioxolanes of a specified formula, dioxoles made therefrom, polymers of the dioxoles, and processes for making the dioxolanes.... | 07/13/1993 |
| 5219662 | Biocompatible polyurethanes by treatment with polyoxazoline block copolymers Polyurethane surfaces are made more biocompatible, particularly with blood, by treatment with a block copolymer of a fluorinated oxazoline and either 2-methyl- or 2-ethyl-2-oxazoline. Such polyurethanes are useful as vascular graft or artificial heart par... | 06/15/1993 |
| 5220082 | Process for production of polyfluoroolefins This invention concerns a process for the production of polyfluoroolefins by the catalytic addition of polyfluoroallylic fluorides to fluoroethylenes. 1:1 and 1:2 Adducts such as F-pentene-2 and F-heptene-3 can be formed selectively and reduced further to... | 06/15/1993 |
| 5212257 | Aramid block copolymers Aramid block copolymers which contains blocks which are crystalline and blocks that are noncrystalline after drawing and where polymer chains are flexible in solution and in undrawn polymer, but relatively rigid in drawn polymer, are disclosed. The aramid... | 05/18/1993 |
| 5212258 | Aramid block copolymers Aramid block copolymers which contains blocks whose polymer chains are flexible, and blocks whose polymer chains are flexible in solution and in undrawn polymer, but relatively rigid in drawn polymer, are disclosed. The aramids are tough materials with hi... | 05/18/1993 |
| 5210233 | Cyclic perfluoropolyether Novel hydroxy containing fluorovinyl ethers, polymers of hydroxy containing fluorovinyl ethers, novel cyclic ethers, copolymers of selected hydroxy containing fluorovinyl ethers, a process for reducing ester containing fluorovinyl compounds to the corresp... | 05/11/1993 |
| 5206317 | Resist material and process for use Excellent resolution and sensitivity in the patterning of resists utilized in device and mask manufacture is obtained with a specific composition. In particular this composition involves polymers having recurring pendant acid labile -alkoxyalkyl ca... | 04/27/1993 |
| 5202389 | Preparation of polybenzoxazoles from halogenated polyamide anions This invention relates to a process for making polymers containing benzoxazole groups by heating, and thereby dehalogenating, novel anions of orthohalogenated aromatic amide groups of a polyamide. The products are useful as fibers and films.... | 04/13/1993 |
| 5198556 | Dioxolane-containing fluoroepoxides The present invention concerns novel dioxolane containing fluoroepoxides that are useful as curing materials, adhesives lubricants and coatings.... | 03/30/1993 |
| 5196491 | Living cationic polymerization of alkyl vinyl ethers This invention relates to a process for the living cationic polymerization of vinylic unsaturated compounds containing electron donating substituents resulting in polymers of narrow molecular weight distribution.... | 03/23/1993 |
| 5196494 | Hydroxy containing fluorovinyl compounds and polymers thereof Novel hydroxy containing fluorovinyl ethers, polymers of hydroxy containing fluorovinyl ethers, copolymers of selected hydroxy containing fluorovinyl ethers, a process for reducing ester containing fluorovinyl compounds to the corresponding alcohol with b... | 03/23/1993 |
| 5194484 | Process for making fluoropolymer composites A novel process for making fluoropolymer-fiber composites is disclosed, which produces composites with improved physical properties. The composites are useful in parts that require chemical and/or thermal stability, as in chemical process equipment.... | 03/16/1993 |
| 5158941 | Lipid A analog as stimulant for production of interleukin-1 in human monocytes and tumor cell growth inhibitor This invention concerns the use of synthetic Lipid A analog P9132 to activate human monocytes, and inhibit growth of tumor cells.... | 10/27/1992 |
| 4589220 | Device for aiding in loading of muzzle loading firearms of the flintlock type This invention is a pocket sized, block shaped device for storing the powder, projectiles and trouble shooting tools necessary for the rapid loading of the flintlock type, muzzle loading firearms, when used in the field. The device permits the user to pre... | 05/20/1986 |
| 4586258 | Axe An axe head, for splitting wood is disclosed. The outside surface of the axe head has a convex shape, while the upper portion of the inside surface has a concave shape. In an alternative embodiment of the invention, the entire inside surface of the axe he... | 05/06/1986 |
| 4576250 | Ladder stop An improved device for preventing ladders that are positioned against structures from slipping, is disclosed. The invention includes a pointed vertical member, adapted for insertion in the ground, in snow or in other non-solid surfaces, connected to two p... | 03/18/1986 |
