| Patent application number | Description | Published |
| 20090124719 | POLYURETHANE FOAMS FROM POLYTRIMETHYLENE ETHER GLYCOL - Provided are polyurethane foams containing polytrimethylene ether segments derived from polytrimethylene ether glycols. | 05-14-2009 |
| 20100210747 | COMPOSITIONS AND USE OF TRANS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE FOAM-FORMING COMPOSITION IN THE PREPARATION OF POLYISOCYANATE-BASED FOAMS - A foam-forming composition is disclosed which includes both trans-1,1,1,4,4,4-hexafluoro-2-butene and an active hydrogen-containing compound having two or more active hydrogens. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of effective amounts of the foam-forming composition and a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam comprising: reacting an effective amount of the foam-forming composition and a suitable polyisocyanate. | 08-19-2010 |
| 20100216904 | FOAM-FORMING COMPOSITIONS CONTAINING MIXTURES OF 2-CHLORO-3,3,3-TRIFLUOROPROPENE AND AT LEAST ONE HYDROFLUOROOLEFIN AND THEIR USES IN THE PREPARATION OF POLYISOCYANATE-BASED FOAMS - Foam-forming compositions are disclosed which contain a mixture of 2-chloro-3,3,3-trifluoropropene and at least one hydrofluoroolefin. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of an effective amount of the foam-forming composition with a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam by reacting an effective amount of the foam-forming composition with a suitable polyisocyanate. | 08-26-2010 |
| 20100280141 | COMPOSITIONS AND USE OF CIS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE FOAM-FORMING COMPOSITION IN THE PREPARATION OF POLYISOCYANATE-BASED FORMS - A foam-forming composition is disclosed which includes both cis-1,1,1,4,4,4-hexafluoro-2-butene and a poorly compatible active hydrogen-containing compound having two or more active hydrogens. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of effective amounts of the foam-forming composition and a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam by reacting an effective amount of the foam-forming composition with a suitable polyisocyanate. | 11-04-2010 |
| 20110124758 | FOAM-FORMING COMPOSITIONS CONTAINING MIXTURES OF 2-CHLORO-3,3,3-TRIFLUOROPROPENE AND HYDROCARBON AND THEIR USES IN THE PREPARATION OF POLYISOCYANATE-BASED FOAMS - Foam-forming compositions are disclosed which contain mixtures of 2-chloro-3,3,3-trifluropropene and hydrocarbon. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of an effective amount of the foam-forming composition with a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam by reacting an effective amount of the foam-forming composition with a suitable polyisocyanate. | 05-26-2011 |
| 20110218261 | FOAM-FORMING COMPOSITIONS CONTAINING AZEOTROPIC OR AZEOTROPE-LIKE MIXTURES CONTAINING Z-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE AND THEIR USES IN THE PREPARATION OF POLYISOCYANATE-BASED FOAMS - Foam-forming compositions containing azeotropic or azeotrope-like mixtures containing cis-1,1,1,4,4,4-hexafluoro-2-butene are disclosed. The foam-forming composition contains (a) an azeotropic or azeotrope-like mixture of cis-1,1,1,4,4,4-hexafluoro-2-butene with methyl formate, 1,1,1,3,3-pentafluorobutane, trans-1,2-dichloroethylene, pentane, isopentane, cyclopentane, HFC-245fa, or dimethoxymethane; and (b) an active hydrogen-containing compound having two or more active hydrogens. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of an effective amount of the foam-forming composition with a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam by reacting an effective amount of the foam-forming composition with a suitable polyisocyanate. | 09-08-2011 |
| Patent application number | Description | Published |
| 20090208823 | ESTABLISHING SPACE BETWEEN END OF CENTER GAS PIPE IN BATTERY AND BOTTOM OF BATTERY CAN - The gap between the bottom of a center gas vent pipe in a battery cell and the bottom of the cell can is established to be at least a minimum distance to reduce the risk of battery damage from inadequate gas venting. | 08-20-2009 |
| 20090233165 | Mitigating Rupture and Thermal Cascading of Battery Cells by Judicious Arrangement of Cells Inside a Pack - The invention described herein includes a method and apparatus comprising a plurality of battery cells electrically coupled to produce at least one voltage at a terminal, wherein the plurality of battery cells includes a plurality of junction areas. Each junction area comprises two battery cells longitudinally arranged such that an end of one battery cell faces an end of another battery cell. In a majority of the junction areas, the venting end of one battery cell does not face the non-venting end of the other battery cell. | 09-17-2009 |
| 20100099013 | BATTERY WITH PRESSURE RELIEF CHANNEL - A battery having an outer casing and an anode/cathode assembly within that casing, wherein the anode/cathode assembly includes plural anodes and cathodes and electrolyte therebetween. The battery has a pressure relief feature associated with the casing and a channel preservation element sufficiently rigid to preserve at least one gas passageway to the pressure relief feature under conditions of anode/cathode assembly warpage. Thus the gas in the passageway will not become impeded by anode/cathode assembly warpage. | 04-22-2010 |
| 20100136386 | BATTERY CELL CONTAINMENT AND VENTING - A battery has a casing holding plural cells and a mesh wrapped around the cells to contain pieces of an exploding cell within the casing. To prevent overpressurization of the casing from the gas emitted by an exploding cell, a pressure relief feature is provided that allows gas to pass through battery casing. | 06-03-2010 |
| 20100247987 | Apparatus and System for an Internal Fuse in a Battery Cell - A battery is disclosed for reducing the severity of thermal runaway. The battery includes an anode sheet, a cathode sheet, and a separator situated between the anode sheet and the cathode sheet. The anode sheet, cathode sheet, and separator may be put together in a jelly roll configuration. The battery also includes internal fuses that subdivide the anode sheet, cathode sheet, or both, into electrically separate areas. The fuses are activated during thermal runaway and isolate separate areas of the sheet, thus reducing the total energy available during thermal runaway and reducing the severity. The fuses may be positive temperature coefficient (PTC) fuses that conduct current at normal operating temperatures but stop conducting current at temperatures above normal operating temperatures. The fuses may be placed in the current collectors, or directly into the anode sheet and cathode sheet themselves. In certain embodiments, the fuses may stop conducting when they reach a predefined threshold temperature or when an excessively large current passes through the fuses. | 09-30-2010 |
| 20110214928 | Deactivating a Power Source - A battery is disclosed that includes two contact areas, an electrolyte, and a conductivity mechanism to increase electron conductivity internal to the battery between the two contact areas that, in turn, deactivates the battery. In one embodiment, the conductivity mechanism is triggered external to the battery. In another embodiment, the conductivity mechanism utilizes deactivator material to increase electron conductivity through the electrolyte to deactivate the battery. In yet another embodiment, the conductivity mechanism creates multiple shorts between the two contact areas to deactivate the battery. | 09-08-2011 |
| 20110217582 | Internally Neutralizing a Power Source - A battery is disclosed that includes two contact areas, an electrolyte, and an electronically conductive material that, at a neutralization trip point temperature, increases electronic conductivity internal to the battery between the first contact area and the second contact area. In one embodiment, the electronically conductive material is void from being activated external to the battery. In another embodiment, the battery includes a semiconductor material that includes custom doping to provide the increased electron conductivity at the neutralization trip point temperature. In yet another embodiment, the battery includes an insulator for separating the electronically conductive material until a temperature internal to the battery reaches the neutralization trip point temperature, at which point permits the electronically conductive material to increase the electronic conductivity between the first contact area and the second contact area. | 09-08-2011 |
| Patent application number | Description | Published |
| 20090191482 | DEVICE AND METHOD FOR PREPARING RELIEF PRINTING FORM - The invention provides a method and an apparatus for preparing a relief printing form from a photosensitive element. More specifically, this invention describes a method and an apparatus for preparing a relief form in an environment having controlled oxygen concentration during exposure to actinic radiation. The method includes forming an in-situ mask on a lo photosensitive element, exposing the element to actinic radiation through the in-situ mask in an environment having an inert gas and a concentration of oxygen between 190,000 and 100 ppm, and treating the exposed element to form the relief printing form having a pattern of raised surface areas. | 07-30-2009 |
| 20090191483 | DEVICE AND METHOD FOR PREPARING RELIEF PRINTING FORM - The invention provides a method and an apparatus for preparing a relief printing form from a photosensitive element. More specifically, this invention describes a method and an apparatus for preparing a relief form in an environment having controlled oxygen concentration during exposure to actinic radiation. The method includes forming an in-situ mask on a photosensitive element, exposing the element to actinic radiation through the in-situ mask in an environment having an inert gas and a concentration of oxygen between 190,000 and 100 ppm, and treating the exposed element to form the relief printing form having a pattern of raised surface areas. | 07-30-2009 |
| 20110203720 | PROCESS FOR MAKING FIBER-ON-END MATERIALS - Processes for making fiber-on-end materials from multicomponent fibers and hollow fibers are provided. The fibers are arranged parallel to each other and continuously thermally fused into a ribbon or fabric, which in turn is thermally fused into a fully consolidated block of material that is skived to produce membranes or capillary arrays having narrow, well-defined pore size distributions. The skived materials are particularly useful in filtration and protective clothing applications. | 08-25-2011 |
| Patent application number | Description | Published |
| 20100071324 | Grease Removal Apparatus, Systems and Methods - A filter assembly includes a filter pad comprising fibers including natural, synthetic and/or hybrid fibers. A stabilizer frame formed of a non-metallic material may be imbedded in the filter pad. The stabilizer frame may be configured to provide support to the filter pad to maintain the filter pad in a generally flat configuration. In accordance with a particular embodiment, the filter pad may be comprised of at least first and second fibrous mats that are coupled together. In this embodiment, the stabilizer frame may be disposed between and coupled with the first and second fibrous mats. | 03-25-2010 |
| 20100071326 | Flame Resistant Filter Apparatus and Method - A filter assembly includes a filter pad comprising fibers including natural, synthetic and/or hybrid fibers. In particular embodiments, the filter pad comprises wool fibers. The filter assembly also includes a bonding emulsion, wherein the bonding emulsion comprises casein resin. The filter assembly also includes a structural support. In particular embodiments, at least a portion of the fibers are treated with a solution that is fire resistant or fire retardant. | 03-25-2010 |
| 20100071327 | Flame Resistant Viscose Filter Apparatus and Method - A filter assembly includes a filter pad comprising flame resistant viscose. The filter assembly also includes a bonding emulsion. The bonding emulsion may comprise casein resin. The bonding emulsion may additionally comprise acrylic resin. The filter assembly also includes a structural support. In particular embodiments, at least a portion of the fibers are treated with a solution that is fire resistant or fire retardant. | 03-25-2010 |