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| Number | Title | Issue Date |
| 6312772 | Multilayer laminate formed from a substantially stretched non-molten wholly aromatic liquid crystalline polymer and non-polyester thermoplastic polymer Multilayer laminates including films, sheets, preforms, containers and other articles having at least one wholly aromatic, amorphous, stretchable liquid crystalline polymer layer with at least one non-polyester thermoplastic polymer layer are provided as ... | 11/06/2001 |
| 6090516 | Polyester toner composition for electrophotographic imaging systems This invention provides a free-flowing polyester dye powder which has superior stability and transparency for application in electrophotographic imaging systems. In another embodiment this invention provides novel chromophoric diester monomers which are r... | 07/18/2000 |
| 6090973 | Polyester toner composition for electrophotographic imaging systems This invention provides a free-flowing polyester dye powder which has superior stability and transparency for application in electro-photographic imaging systems. In another embodiment this invention provides novel chromophoric diester monomers which are ... | 07/18/2000 |
| 6080474 | Polymeric articles having improved cut-resistance A polymeric article having improved cut-resistance is composed of (A) an initial polymeric article having cut-resistant properties; and (B) a cut-resistant elastomeric coating disposed on an outer surface of the initial polymeric article, wherein the elas... | 06/27/2000 |
| 6015524 | Adhesives for making multilayer films comprising liquid crystalline polymers and polyethylene Multilayer films that include a thermotropic liquid crystalline polymer film layer and a polyethylene film layer are bound together using one of the following hot melt adhesives: ethylene-glycidyl methacrylate copolymer, ethylene-methyl acrylate-glycidyl ... | 01/18/2000 |
| 6013373 | Adhesives for making multilayer films comprising liquid crystalline polymer and polypropylene Multilayer films that include a thermotropic liquid crystalline polymer film layer and a polypropyene film layer are bound together using hot melt adhesives which may be either (1) a blend of poly(-olefins), comprised of isotactic polypropylene, a ... | 01/11/2000 |
| 6001980 | Polyester toner composition for electrophotographic imaging systems This invention provides a free-flowing polyester dye powder which has superior stability and transparency for application in electro-photographic imaging systems. In another embodiment this invention provides novel chromophoric diester monomers which are ... | 12/14/1999 |
| 5972477 | Laminated fiber networks Laminated fiber network structures having high resilience, good cushioning properties, and excellent impact-resistance include at least one layer of a three-dimensional fiber network material and a second layer, which may be a planar material (e.g. a fabr... | 10/26/1999 |
| 5886066 | Thermoplastic polymer composition exhibiting improved wear A low wear polymeric composition exhibiting improved surface wear resistance and coefficients of friction characterized as a melt blend of a thermoplastic polymer and a lubricating system containing PTFE, pentaerythritol tetrastearate and fine particle, s... | 03/23/1999 |
| 5863622 | Polarizer laminates comprising coextruded liquid crystal polymer moieties and integral thermoplastic cover layers This invention discloses laminates comprising dyed liquid crystalline polymer based polarizers in the middle with a non-peelable, non-liquid crystalline polymeric cover layers, prepared by a process of coextrusion. The laminates are suitable to prepare li... | 01/26/1999 |
| 5851423 | Liquid crystal display devices incorporating polarizers comprising liquid crystal polymers This invention discloses novel liquid crystal display devices containing polarizers which comprise a liquid crystal polymer and a dichroic absorber. Also disclosed is a process to construct the liquid crystal display devices.... | 12/22/1998 |
| 5851930 | Rigid fiber network structures having improved post-yield dimensional recovery, method of making same, and articles incorporating same A rigid three-dimensionally shaped fiber network structure having improved post-yield dimensional recovery is composed of a deformed textile fabric network structure containing: (A) at least one oriented, semi-crystalline monofilament yarn containing a th... | 12/22/1998 |
| 5843562 | LCP films having roughened surface and process therefor A film having a roughened surface. The film is made of an LCP and has surface recessions covering at least about 25% of the area of the surface. The film is made by pressing an embossing means against the film surface at a temperature about 15°-75° C. b... | 12/01/1998 |
| 5843609 | Polyester toner microspheres for electrophotographic imaging systems This invention provides a free-flowing polyester dye microspheric powder which has superior stability and transparency for application in electrophotographic imaging systems. In another embodiment this invention provides a non-aqueous dispersion polymeriz... | 12/01/1998 |
| 5824767 | Poly(arylene sulfide) compositions having improved processability A process for improving the processability of poly(arylene sulfide) in melt spinning operations by treatment with a barium-containing compound and, optionally, a lubricant is disclosed.... | 10/20/1998 |
| 5789042 | Thin LCP film process A process for producing LCP films that have improved tear resistance, improved balance of physical properties, and relatively wrinkle-free surfaces. An annular co-extrusion die is used to line the LCP with one or more surface layers of a nonadherent polym... | 08/04/1998 |
| 5783624 | Transparent polymer composites having a low thermal expansion coefficient Polymeric compositions having a high transparency, low thermal expansion coefficient and low coefficient of refractive index change with temperature are made from a suitable thermoplastic polymer and index-matched glass or ceramic. Such compositions have ... | 07/21/1998 |
| 5767294 | Process for the production of trioxane from formaldehyde A process for the trimerization of aqueous formaldehyde solution to produce trioxane in a multistage in situ catalyst reactor-extractor column containing a cationic exchange resin. The process entails countercurrent flow of formaldehyde solution and solve... | 06/16/1998 |
| 5762718 | Process for reducing black specks in a thermotropic liquid crystal polymer with successive washes of triethylene glycol, ethylene glycol and water A process for reducing black specks in anisotropic melt-phase forming liquid crystal polymer which comprises the steps of subjecting a reactor in which an anisotropic melt-forming polymer was formed to successive washes of triethylene glycol, ethylene gly... | 06/09/1998 |
| 5731380 | Elastomeric compositions An elastomeric composition comprising: (A) a polyester elastomer; (B) a thermoplastic polyurethane elastomer; and (C) a multiphase composite interpolymer comprising an elastomeric first phase, a final rigid thermoplastic phase and, optionally, one or more inte... | 03/24/1998 |
| 5731252 | Process for improving productivity of a carbonylation catalyst solution by removing corrosion metals A process for treating low water content carbonylation catalyst solutions which contain a rhodium component and an alkali metal component to remove metallic corrosion products is disclosed. The process comprises contacting the catalyst solution with an io... | 03/24/1998 |
| 5731457 | Vinyl acetate process utilizing a palladium-gold-copper catalyst A process is disclosed for the production of vinyl acetate by reaction of ethylene, oxygen and acetic acid as reactants comprising contacting said reactants and a non-halogen containing copper compound with a catalyst comprising a porous support on the po... | 03/24/1998 |
| 5719328 | Pressure drop tester for filter rods A device is provided for testing a pressure drop across a cigarette filter rod. The device includes an expansible sleeve for encapsulating a filter rod and a two stage vacuum pump connected thereto. A first controllable valve connects the outer surface of... | 02/17/1998 |
| 5710282 | Process for preparing substituted aryls The present invention provides a novel one-step process for preparing substituted aryls which can be used as end-capping monomers for preparing highly branched macromolecule polymers that have highly controlled molecular architectures. The process compris... | 01/20/1998 |
| 5695615 | Purification process for cyclic formulas A purification process for cyclic formals, in which water is efficiently removed from a crude cyclic formal, namely, a mixture of a cyclic formal and water which is difficult to be separated from the mixture, thereby obtaining a cyclic formal of high puri... | 12/09/1997 |
| 5693586 | Palladium-gold catalyst for vinyl acetate production This invention provides a supported palladium-gold catalyst for vinyl acetate production from ethylene, acetic acid and oxygen. All of the reactants employed in the catalyst preparation are potassium salt compounds which are essentially sodium-free. A pre... | 12/02/1997 |
| 5691077 | Shutdown, trilayer battery separator The present invention is directed to a shutdown, trilayer battery separator. The separator has a first and a third microporous membranes sandwiching a second microporous membrane. The first and the third membranes have a greater puncture strength than the... | 11/25/1997 |
| 5690793 | Purification process for cyclic formals A purification process for cyclic formals, in which water is efficiently removed from a crude cyclic formal, namely, a mixture of a cyclic formal and water which is difficult to be separated from the mixture, thereby obtaining a cyclic formal of high puri... | 11/25/1997 |
