...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 |
| 7311998 | Lithium polymer battery with a crosslinked electrolyte A polymer battery which comprises a negative electrode comprising a carbon material as an active material, an electrolyte layer and a positive electrode comprising a chalcogenide containing lithium as an active material, characterized in that the electrolyte layer c... | 12/25/2007 |
| 7282299 | Solid electrolyte battery A solid electrolyte battery includes a cathode having a cathode active material and a solid electrolyte and an anode. The solid electrolyte includes a first polymer having a binding force and a second polymer composed of alkali metal ion conducting polymers. Thus, t... | 10/16/2007 |
| 7229717 | Anode active material and battery using it A battery with a high capacity and superior cycle characteristics, and an anode active material used for it are provided. An anode active material contains tin as a first element, a second element, and a third element. The second element is at least one from the gro... | 06/12/2007 |
| 7181156 | Image forming apparatus using a cleaning member for preventing noises and process cartridge therefor An image forming apparatus includes a photoconductor, a cleaning blade for cleaning the photoconductor, and a blade holder holding the cleaning blade and having a first bent portion for increasing its rigidity. In the apparatus, blade holder has at least one of a pr... | 02/20/2007 |
| 7119126 | Polymer matrix material The polymer matrix material includes a polymerization product of one or more monomers selected from the group of water-soluble, ethylenically-unsaturated acids and acid derivatives, and a crosslinking agent. A quantity of water is used for polymerization, such that ... | 10/10/2006 |
| 6916679 | Methods of and device for encapsulation and termination of electronic devices A novel method for production of and an apparatus for an encapsulated solid-state electrochemical device is disclosed. The present invention provides for electrical devices, such as, for example, thin-film batteries with sensitive chemistries that can survive enviro... | 07/12/2005 |
| 6878491 | Solid polymer electrolyte and use thereof A polyether copolymer having a weight-average molecular weight of 104 to 107, formed from 3 to 30% by mol of a repeating unit derived from propylene oxide, 96 to 69% by mol of a repeating unit derived from ethylene oxide, and 0.01 to 15% by mol... | 04/12/2005 |
| 6849362 | Polymer electrolyte composition for improving overcharge safety and lithium battery using the same A polymer electrolyte composition for improving overcharge safety and a lithium battery using the same are provided. The polymer electrolyte composition includes acrylate, epoxy or isocyanate at both of its terminals, and includes a compound containing an aromatic g... | 02/01/2005 |
| 6841299 | Electrolyte composition with a molten salt and crosslinked polymer An electrolyte composition excellent in charge-transporting property that can be prepared with ease, and a non-aqueous electrolyte secondary cell that comprises the electrolyte composition to exhibit excellent cell characteristics while preventing leakage or depleti... | 01/11/2005 |
| 6815124 | Gel electrolyte and nonaqueous electrolyte battery A gel electrolyte in which nonaqueous electrolyte solution obtained by dissolving electrolyte salt containing Li in a nonaqueous solvent is gelled by a matrix polymer including a copolymer as a main component which contains vinylidene fluoride as a monomer unit. The... | 11/09/2004 |
| 6673496 | Thin lithium secondary cell A film-type lithium secondary battery in which at least one of a positive electrode (2), a negative electrode (3) and a separator (1) contains an electrolyte having a specified structure, the electrolyte having the above specified structure is composed of... | 01/06/2004 |
| 6641957 | Non-aqueous electrolyte cell The non-aqueous electrolyte battery of the present invention has a negative electrode comprising metallic lithium, a lithium alloy or a material capable of absorbing and desorbing lithium; a positive electrode; a non-aqueous electrolyte comprising a solve... | 11/04/2003 |
| 6593019 | Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts. The compounds comprise at least one perfluorovinyl group and at least one group chosen from --O or one of the grou... | 07/15/2003 |
| 6447952 | Polymer electrolytes This invention provides alkali ion conducting polymer electrolytes with high ionic conductivity and elastomeric properties suitable for use in high energy batteries. The polymer electrolytes are cyclic carbonate-containing polysiloxanes that can be modifi... | 09/10/2002 |
| 6376129 | Sulphonated polyimides, membranes prepared with them, and a fuel cell device that includes these membranes The invention relates to sulphonated polyimides, notably of formula (I) ##STR1## The invention also relates to an ion exchange membrane that includes such a polyimide and a fuel cell that includes such a membrane. The membranes of the invention have excellent ... | 04/23/2002 |
| 6326105 | Composite polymer electrolytes for alkali metal electrochemical devices which contain a non-woven glass fiber net Polymer electrolyte composites for alkali metal electrochemical devices which are formed by coating an inert, lightweight, electrically insulating, non-woven glass fiber net which includes a polyvinyl alcohol binder, with a liquid polymer which may be ion... | 12/04/2001 |
| 6221533 | Nonaqueous electrolyte battery A nonaqueous electrolyte lithium primary or secondary battery having improved storage property is disclosed. The battery includes a positive electrode; a negative electrode in which the active material is lithium, a lithium alloy or a compound capable of ... | 04/24/2001 |
| 6210838 | Substrate for ion conductor and ion conductor A substrate for an ion conductor includes a polymer or molecule capable of sustaining ion conduction, and a boroxine ring. The above mentioned polymer or molecule participates in and promotes ionic conduction. The boroxine ring is bonded to the above ment... | 04/03/2001 |
| 6201071 | Polyether copolymer, solid polymer electrolyte and battery A solid polymer electrolyte containing a polyether copolymer having a weight-average molecular weight of 104 to 107 which may optionally be cross-linked and which contains (A) 1 to 99% by mol of a repeating unit derived from a monomer rep... | 03/13/2001 |
| 6176984 | High temperature polybenzazole and polyether electrolytes High temperature polybenzazole and polyether polymer electrolytes are provided. High temperature polybenzazole polymer electrolytes may comprise a benzobisoxazole, a benzobisthiazole, a benzobisimidazole, a difluorodisulfonated phenyl ring or a sulfonated... | 01/23/2001 |
| 6162563 | Polymer Solid Electrolyte A polymer solid electrolyte obtained by blending (1) a polyether copolymer having a main chain derived form ethylene oxide and an oligooxyethylene side chain, (2) an electrolyte salt compound, and (3) a plasticizer of an aprotic organic solvent or a deriv... | 12/19/2000 |
| 6080511 | Composite polymer electrolytes for alkali metal electrochemical devices which contain a glass fiber net Polymer electrolyte composites for alkali metal electrochemical devices which are formed by coating an inert, lightweight, electrically insulating, woven or non-woven glass fiber net with a liquid, ion-conductive polymer, and curing the polymer to form a ... | 06/27/2000 |
| 6019908 | Ion-conductive polymer electrolyte An ion-conductive polymer electrolyte comprises an organic polymer, a soluble electrolyte salt and an organic solvent. The organic polymer is a compound obtained by crosslinking an organic compound having an average molecular weight of 500 to 50,000 and a... | 02/01/2000 |
| 6010805 | Ion conducting electrolyte material containing a lithium porphyrin complex New lithium ion conducting materials comprise porphyrin rings. These materials function as sites through which the lithium ion passes. In one aspect of the invention, an electrolyte composition consists essentially of a major amount of a lithium porphyrin... | 01/04/2000 |
| 5925283 | Ionically conductive polymeric gel electrolyte and solid battery containing the same The present invention relates to an ionically conductive polymeric gel electrolyte for batteries having high ionic conductivity and sufficiently high solid strength. The invention has an object to provide a solid battery which prevents internal short-circ... | 07/20/1999 |
| 5645960 | Thin film lithium polymer battery A solid state electrochemical cell comprising: (a) an electrolyte comprising a polymeric matrix, an inorganic salt and a solvent; (b) an anode comprising a thin film of lithium metal or an alloy thereof; and (c) a cathode comprising a polymeric matrix, a condu... | 07/08/1997 |
| 5580682 | Solid electrolytes, containing oxyalkylene solvents and/or oxyalklene polymers and electrolytic cells produced therefrom This invention is directed to solid electrolytes containing a solvent and, in particular, a solvent containing an oxyalkylene group and another functional group such as a carbonate, urethane or (di)thiocarbonate. The invention is also directed to the use ... | 12/03/1996 |
| 5578399 | Polymeric current collector for solid state electrochemical device A solid state electrochemical device comprising (i) an anode, (ii) a cathode, (iii) interposed between the anode and cathode, a polymeric electrolyte, and (iv) adjacent to either the anode or the cathode, on a side opposite to the polymeric electrolyte, a... | 11/26/1996 |
| 5549987 | Polyurethane based electrolytes for electrochemical cells and electrochemical cells using same An electrolyte system (40) for use in connection with an electrochemical cell (10). The cell (10) includes a positive (20) and a negative (30) electrode and the electrolyte system (40) disposed there between. The electrolyte system includes a liquid elect... | 08/27/1996 |
| 5527639 | Galvanic cell A galvanic cell is in which at least one of the negative electrode, the positive electrode and the separator comprises a solid electrolyte prepared by doping an ionic compound to an organic polymer. The organic polymer is a polymer obtained by crosslinkin... | 06/18/1996 |
| 5521019 | Crosslinkable copolymers obtained by polycondensation and ionically conductive material containing the same The invention relates to copolymers, a process for preparing them and their use for the production of ionically conductive materials. The copolymers consist of identical or different organic blocks A which cannot be crosslinked by a radical route or by a ... | 05/28/1996 |
| 5510209 | Solid polymer electrolyte-based oxygen batteries This invention features polymer-based batteries comprising metal anodes and an oxygen gas cathode. The oxygen is not stored in the battery but rather it is accessed from the environment. This solid-state battery is constructed by sandwiching a metal ion c... | 04/23/1996 |
| 5496656 | Battery A battery equipped with a cathode composite (2), an anode composite or an anode (4), an electrolyte layer (3) and a sealing material (6); characterized by that a material such as an element belonging to VIII-group of periodic table such as palladium etc.,... | 03/05/1996 |
| 5455127 | Fire resistant curable solid electrolytes and electrolytic cells produced therefrom This invention is directed to a solid electrolyte containing a polymeric matrix, a salt, a solvent, a viscosifying agent, and a flame retardant, as well as electrolytic cells prepared from such solid electrolytes.... | 10/03/1995 |
| 5429759 | Proton-conducting polymer solid electrolyte The present invention provides a proton-conducting polymer solid electrolyte comprising a polyether which has two terminal primary amine functions and which is cross-linked by a curing agent having two epoxy functions, an acid being incorporated into said... | 07/04/1995 |
| 5401597 | Battery and a method of manufacture therefor A battery having at least one electrochemical cell, comprises a negative electrode, a positive electrode, and a solid electrolyte between and in contact with the electrodes. There is dispersed in the solid electrolyte (6) a material that is reactive with ... | 03/28/1995 |
| 5340672 | Secondary battery A secondary battery containing at least a negative electrode, a positive electrode, an electrolyte comprising an alkaline metal salt dissolved therein, and a separator in which the said separator includes a high molecular solid electrolyte membrane formed... | 08/23/1994 |
| 5275750 | Method of manufacturing a solid polymer electrolyte A method of manufacturing a solid polymer electrolyte which comprises polymerizing an ester polymethoxyoxyalkylene, a diester polyoxyalkylene, an oxycompound having a double bond, and an inorganic salt, and the solid polymer electrolyte thus obtained. The... | 01/04/1994 |
| 5238758 | Badiation cured solid electrolytes and electrochemical devices employing the same A method for forming an interpenetrating polymeric network containing a liquid electrolyte for use in solid state electrochemical cells which comprises forming a mixture of a liquid monomeric or prepolymeric radiation polymerizable, compound, a radiation ... | 08/24/1993 |
| 5229225 | Solid electrolyte composition A solid electrolyte having solvent ligands and polymer ligands coordinated with metal ion exhibits improved stability and resistance to volatilization or migration of liquid phase components. The solid electrolyte of this invention comprises a metal salt ... | 07/20/1993 |