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| Number | Title | Issue Date |
| 6494946 | Reaction of carbon black with diazonium salts, resultant carbon black products and their uses Processes for preparing a carbon black product having an organic group attached to the carbon black. In one process at least one diazonium salt reacts with a carbon black in the absence of an externally applied electric current sufficient to reduce the di... | 12/17/2002 |
| 6468342 | Aqueous pigment dispersion and process for producing the same It is provided an aqueous pigment dispersion having improved dispersing stability in which carbon black shows appropriate initial dispersing property and long-term dispersing property to water, and carbon black particles are less susceptible to aggregatio... | 10/22/2002 |
| 6358649 | Carbons containing fluorine, method of preparation thereof and use as electrode material The invention relates to new carbons containing fluorine. The carbons containing fluorine are obtained from a graphite or a mosaic textured graphitisable compound containing carbon. As a first step, the graphite or the carbon-containing compound is reacte... | 03/19/2002 |
| 5981072 | Oxidation and corrosion resistant flexible graphite composite sheet and method Flexible graphite sheet is made by compressing a mixture of fine particle of intercalated, exfoliated, expanded natural graphite with fine particles of intercalated, unexpanded, expandable particles of natural graphite admixed with small amounts of a phos... | 11/09/1999 |
| 5871864 | Lithium secondary cells and methods for preparing active materials for negative electrodes A lithium secondary cell wherein a carbon material treated with a fluorinating agent and having substantially no C-F covalent bond, is used as an active material for negative electrode, provides a secondary cell having improved cell life. Further, a lithi... | 02/16/1999 |
| 5859120 | Carbon black and processes for manufacturing Carbon blacks containing silicon and a process for manufacturing them. The carbon blacks containing silicon are suitable as reinforcing carbon blacks for rubber mixtures and give the latter viscoelastic properties such as reduced rolling resistance in tir... | 01/12/1999 |
| 5772974 | Carbonaceous electrode material for battery and process for production thereof A battery electrode material having a large charge-discharge capacity and capable of providing a (non-aqueous solvent-type secondary) battery of a high energy density is provided in the form of a carbonaceous material having a microtexture suitable for do... | 06/30/1998 |
| 5756062 | Chemically modified graphite for electrochemical cells This invention relates to chemically modified graphite particles: (a) that are useful in alkali metal-containing electrode of a electrochemical cell comprising: (i) the electrode, (ii) a non-aqueous electrolytic solution comprising an organic aprotic solvent w... | 05/26/1998 |
| 5587110 | Composition being capable of imparting conductivity and non-tackifying property, paint using the composition, and roller A composition which is capable of imparting electrical conductivity and non-tackifying property, comprising (A) a carbon fluoride in which a ratio F/C of fluorine atom to carbon atom is more than 0.5 and less than 1.0 and (B) at least one selected from th... | 12/24/1996 |
| 5500201 | Method of treating carbon black and carbon black so treated The physical and chemical properties of carbon blacks are modified by expng them to a room temperature gas plasma.... | 03/19/1996 |
| 5159009 | Carbon blacks modified with organosilicon compounds, method of their production and their use in rubber mixtures Carbon black is reacted with at least one organosilicon compound of the General Formula [R1n (RO)3-n Si-(Alk)m -(Ar)p ]q [B](I) R1n (RO)3-n Si-(Alkyl) (II) ... | 10/27/1992 |
| 5143709 | Process for production of graphite flakes and films via low temperature pyrolysis Electrically conductive carbon flakes and films are prepared in high yield by the pyrolysis of cyclic aromatic hydrocarbons, optionally halogenated, in the presence of a dehydrogenating agent at about at least 800° C. Flakes of thicknesses up to 20 μm a... | 09/01/1992 |
| 4264568 | Method for easily removing zinc from carbon black contaminated with zinc The present invention relates to a method for removing zinc from solid carbon black, preferably obtained from the pyrolysis of rubber, said carbon black containing at least 3%, by weight, of zinc, calculated as ZnO, said method including the steps of cont... | 04/28/1981 |
| 3992218 | Black coloring agent A carbon black coloring agent is obtained by (1) mixing a hydrophobic vehicle with an aqueous slurry containing a carbon black obtained by treating a furnace black having an electromicroscopic average particle size of from about 5 to about 35 mμ with a m... | 11/16/1976 |
