...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8182939 | Anode material for lithium secondary cell with high capacity Disclosed is an anode material comprising a metal core layer capable of repetitive lithium intercalation/deintercalation; an amorphous carbon layer coated on the surface of the metal core layer, and a crystalline carbon layer coated on the amorphous carbon layer. Th... | 05/22/2012 |
| 8168332 | Separator having porous coating layer and electrochemical device containing the same A separator includes a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate and made of a mixture of a plurality of inorganic particles and a binder polymer, wherein the binder polymer includ... | 05/01/2012 |
| 8163859 | Copolymer comprising alkene, acrylate and unsaturated organic acid, and method for preparing the same The present invention provides a copolymer that includes at least one alkene monomer, at least one acrylate monomer and at least one the unsaturated organic acid monomer having one or more double bonds, and a method of manufacturing the same. ... | 04/24/2012 |
| 8163412 | Battery cell interconnect and voltage sensing assembly and method for coupling a battery cell assembly thereto A battery cell interconnect and voltage sensing assembly and a method for coupling a battery cell assembly thereto are provided. The battery cell interconnect and voltage sensing assembly includes a frame member holding a plurality of electrical interconnect members... | 04/24/2012 |
| 8158285 | Electrolyte solvent for improving safety of battery and lithium secondary battery comprising the same The present invention provides an electrolyte solvent for batteries, which comprises fluoroethylene carbonate and linear ester solvent. Also, the present invention provides a lithium secondary battery comprising a positive electrode, a negative electrode and an elec... | 04/17/2012 |
| 8150570 | Auto management system for air filter used in battery pack and auto management method for the same An auto management system for an air filter used in a battery pack comprises at least one cell and a case accommodating each of the cells so that there is secured an air flow passage between the neighboring cells. The battery pack is provided with an air inlet at on... | 04/03/2012 |
| 8142936 | Non-aqueous electrolyte and lithium secondary battery using the same The present invention relates to a nonaqueous electrolyte solution containing new additives and a lithium secondary battery including the same. More particularly, the invention relates to a nonaqueous electrolyte solution containing a lithium salt, an electrolyte co... | 03/27/2012 |
| 8142742 | Method of producing unsaturated acid from olefin Disclosed is a shell-and-tube heat exchanger type reactor that can be used for a process of producing unsaturated acids from olefins via fixed-bed catalytic partial oxidation, which comprises at least one reaction tube, each including at least one first-step catalys... | 03/27/2012 |
| 8133942 | Thermoplastic resin composition having superior flame retardancy, coloring property and scratch-resistance Provided is a thermoplastic resin composition having excellent flame resistance, colorability, and scratch resistance, including: A) 100 parts by weight of a basic resin comprising 10 to 89 wt % of acrylonitrile-butadiene-styrene copolymer, 89 to 10 wt % of styrene-... | 03/13/2012 |
| 8129488 | Transition metal complexes, catalyst compositions containing the same, and olefin polymerization using the catalyst compositions Provided are a novel transition metal complex where a monocyclopentadienyl ligand to which an amido or alcoxy group is introduced is coordinated, a method of synthesizing the same, and olefin polymerization using the transition metal complex. Compared to a conventio... | 03/06/2012 |
| 8129469 | Graft copolymer, method for preparing the same and thermoplastic resin composition containing the same The present invention relates to a graft copolymer, a method for preparing the same and a thermoplastic resin composition comprising the same. The graft copolymer of the present invention comprises a composite rubber polymer (A-1) having an average particle diameter... | 03/06/2012 |
| 8129053 | Secondary battery of improved high-rate discharging properties Provided is a secondary battery comprising a cathode active material having low-electrolyte wettability as a main ingredient, which is capable of improving high-rate discharge properties by an addition of a perfluorinated sulfonamide substituent-containing polymer (... | 03/06/2012 |
| 8124557 | Supported metallocene catalyst, method of preparing the catalyst and method of preparing polyolefin using the catalyst Provided are a supported metallocene catalyst which has excellent supporting efficiency due to an interaction between a cocatalyst supported on a carrier and a metallocene compound substituted with a functional group that can function as a Lewis base, such as acetal... | 02/28/2012 |
| 8124285 | Electrode having solid electrolyte interface and secondary battery using the same Disclosed is an electrode having a solid electrolyte interface (SEI) film partially or totally formed on a surface thereof, the SEI film being formed by electrical reduction of a cyclic diester compound and a sulfinyl group-containing compound. Further, a secondary ... | 02/28/2012 |
| 8123931 | Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same The present invention relates to a catalyst for hydrocarbon steam cracking for the production of light olefin, a preparation method of the catalyst and a preparation method of olefin by using the same. More precisely, the present invention relates to a composite cat... | 02/28/2012 |
| 8119292 | Nonaqueous electrolyte for improving performance and lithium secondary battery comprising the same Disclosed is a lithium secondary battery comprising a cathode, an anode, an electrolyte and a separator, wherein the anode comprises an anode active material having a specific surface area of 3 m2/g or less, and the electrolyte comprises 0.1˜6 parts by w... | 02/21/2012 |
| 8119274 | Stacking-typed secondary battery providing two or more operation voltages Provided is a stacked-type secondary battery comprising a battery cell formed by stacking a plurality of full cells having a structure of cathode/separator/anode or bicells having a structure of cathode(anode)/separator/anode(cathode)/separator/cathode(anode), as a ... | 02/21/2012 |
| 8114537 | Frame member and battery pack employed with the same Disclosed herein are a frame member including an upper frame member having one major surface to which a protection circuit module (PCM) is mounted, and a lower frame member coupled with the upper frame member, the upper and lower frame members being provided at oppo... | 02/14/2012 |
| 8114536 | Frame member and battery pack employed with the same Disclosed herein are a frame member including an upper frame member having one major surface to which a protection circuit module (PCM) is mounted, and a lower frame member coupled with the upper frame member, the upper and lower frame members being provided at oppo... | 02/14/2012 |
| 8110300 | Battery mounting system A mounting system for a plurality of battery modules needed to form a battery pack includes a battery tray with a combination of fixed and detachable retainers that enable insertion/removal of individual battery modules from the battery pack, both during assembly of... | 02/07/2012 |
| 8103485 | State and parameter estimation for an electrochemical cell A system and a method for computing an estimated state of charge and an estimated cell resistance of an electrochemical cell are provided. The method includes predicting a first cell resistance value indicating a present resistance of the electrochemical cell utiliz... | 01/24/2012 |
| 8098126 | High voltage service disconnect assembly A high voltage service disconnect assembly is provided. The high voltage service disconnect assembly is configured to fixedly hold a plurality of different sized fuses therein having different current rating capabilities, one fuse at a time. ... | 01/17/2012 |
| 8088489 | Artificial marble using low specific gravity material as chip and process for preparing the same An artificial marble using chips made of a low specific gravity material via a lamination or crunch technique to realize a natural stone-like texture, and a process for preparing the artificial marble are disclosed. In one example, a high specific gravity layer cont... | 01/03/2012 |
| 8084159 | Cathode active material and secondary battery comprising the same Disclosed are a cathode active material and a secondary battery including the same. Herein, the cathode active material includes (a) a first lithium-containing metal composite oxide and (b) a second lithium-containing metal composite oxide coated on an entire partic... | 12/27/2011 |
| 8071490 | Composition of acrylic pressure-sensitive adhesive and surface finishing material comprising the same An acrylic pressure-sensitive adhesive composition according to the present invention comprises: acrylic copolymer (A) formed by copolymerizing i) alkyl(meth)acrylic acid ester monomer wherein the carbon atom of alkyl group is 2 to 14, ii) monomer having a functiona... | 12/06/2011 |
| 8071231 | Secondary battery including one-way exhaust valve Disclosed herein is a plate-shaped secondary battery constructed in a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case, and the battery case is sealed by thermal welding, wherein the secondary battery has a... | 12/06/2011 |
| 8071230 | High rate charging and discharging cylindrical secondary battery Disclosed herein is a cylindrical secondary battery including a cap assembly constructed in a structure in which a vent, which intercepts electric current and discharges pressurized gas when the interior pressure of the battery is increased due to abnormal operation... | 12/06/2011 |
| 8067116 | Highly reversible lithium intercalating electrode active material, preparation method thereof, electrode and secondary battery comprising the same Disclosed are an electrode active material, having a composition of SnPx (0.9≦x≦0.98), an electrode comprising the same, and a lithium secondary battery comprising the electrode. Also disclosed is a method for preparing an electrode active material having a comp... | 11/29/2011 |
| 8067114 | Electrolyte for lithium secondary battery of improved low-temperature property and secondary battery containing the same Provided is a lithium secondary battery which uses a lithium manganese metal oxide as a cathode active material and a non-graphitic carbon material as an anode active material, and based on the total weight of the electrolyte, contains 0.1 to 20% by weight of a salt... | 11/29/2011 |
| 8067111 | Battery module having battery cell assembly with heat exchanger A battery module having a battery cell assembly with a heat exchanger is provided. The assembly includes a first battery cell having a first side and a second side, and a second battery cell having a first side and a second side. The first side of the second battery... | 11/29/2011 |
| 8063117 | Artificial marble and preparation process thereof The present invention relates to an artificial marble comprising a base resin part; and a pearl stripe part which contains a matrix resin and pearls, and expresses stripes on said base resin part by the contained pearls and a process for preparing the same. The pres... | 11/22/2011 |
| 8062795 | Separator and electrochemical device comprising the same Disclosed is a separator comprising inorganic particle or aggregates thereof having a unique spectrum or color pattern according to a predetermined rule. Also, disclosed are an electrochemical device comprising the above separator and a method for identifying the or... | 11/22/2011 |
| 8057714 | Synthesis method of metal cyclopentadienide in bulk The present invention relates to a synthesis method of metal cyclopentadienide by direct reaction of dicyclopentadiene with a group 1 metal in the presence of an aprotic solvent. Unlike the conventional method depending on retro Diels-Alder reaction of dicyclopentad... | 11/15/2011 |
| 8053540 | Catalyst precursor composition for electroless plating, and preparation method of transparent electromagnetic interference shielding material using the same The present invention relates to a catalyst precursor composition for electroless plating, and more specifically, the present invention provides the catalyst precursor composition comprising (a) a reactive oligomer; (b) a reactive monomer; (c) a photoinitiator; (d) ... | 11/08/2011 |
| 8053113 | Composite binder containing carbon nanotube and lithium secondary battery employing the same Provided is a nanocomposite binder for an electrode mix of a secondary battery, comprising carbon nanotubes in a photo- and/or thermo-polymerizable material or polymer, or a mixture thereof; and a lithium secondary battery comprising the same. The carbon nano... | 11/08/2011 |
| 8053045 | Styrene-butadiene latex binder for ink-jet paper, preparation method thereof and coating liquid containing the same The present invention relates to a styrene-butadiene latex, a preparation method thereof and a coating liquid containing the same, more precisely a styrene-butadiene latex binder for ink-jet paper containing ethylenically unsaturated monomer by 0.1-1.5 weight parts ... | 11/08/2011 |
| 8048973 | Transition metal complex, catalyst composition including the same and olefin polymer using catalyst composition Provided are a novel transition metal complex where a monocyclopentadienyl ligand to which an amido group is introduced is coordinated, a catalyst composition including the same, and an olefin polymer using the catalyst composition. The transition metal complex has ... | 11/01/2011 |
| 8048554 | Battery pack cooling system for vehicle Disclosed herein is a cooling system for vehicle battery packs, including a double filter device mounted at an air inlet part, through which air for cooling the battery pack is introduced from the outside and/or the inside of the vehicle. The double filter includes ... | 11/01/2011 |
| 8048551 | Battery safety device and battery having the same Disclosed is a battery safety device having a first metal plate, a second metal plate, and a pressure-sensitive conducting film interposed between both metal plates and adapted to exhibit electrical conductivity when a predetermined pressure or higher is applied. Th... | 11/01/2011 |
| 8044138 | Carboxylic acid-modified nitrile copolymer latex and latex composition for dip forming comprising the same A carboxylic acid-modified nitrile copolymer latex is provided. The copolymer latex comprises a carboxylic acid-modified nitrile copolymer of an unsaturated monomer having at least one crosslinkable functional group selected from vinyl and epoxy groups. The use of t... | 10/25/2011 |