| Patent Number |
Title Of Patent |
Date Issued |
| 7413683 |
Sulfonated conducting polymer-grafted carbon material for fuel cell applications |
August 19, 2008 |
| A composition comprising particulate carbonaceous material and a sulfonated conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode assembl |
| 7390441 |
Sulfonated conducting polymer-grafted carbon material for fuel cell applications |
June 24, 2008 |
| A composition comprising particulate carbonaceous material and a sulfonated conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode assembl |
| 7241334 |
Sulfonated carbonaceous materials |
July 10, 2007 |
| The present invention provides methods for the incorporation of sulfonate functional groups onto the surface of carbonaceous compounds and materials, and similarly provides several surface modified carbonaceous compounds and materials resulting therefrom. |
| 7238741 |
Carbonaceous material with broad aggregate size distribution and improved dispersibility |
July 3, 2007 |
| A carbon black with a .DELTA.D50/M greater than about 0.9 was produced. The carbon black has an aggregate heterogeneity index (HI) via QTM of greater than about 2.3. The carbon black has a .DELTA.D50 via DCP of greater than about 0.07 .mu.m. The QTM-HI of the present carbon black is |
| 7195834 |
Metallized conducting polymer-grafted carbon material and method for making |
March 27, 2007 |
| A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode assemblies, and fu |
| 7175930 |
Conducting polymer-grafted carbon material for fuel cell applications |
February 13, 2007 |
| A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode assemblies, and fu |
| 7167240 |
Carbon black sampling for particle surface area measurement using laser-induced incandescence an |
January 23, 2007 |
| Disclosed is a method for in-situ sampling and measuring particulate fineness in a process stream, comprising (a) sampling particles in-situ from a process stream, (b) adjusting the sample to conditions suitable for LII, (c) measuring the fineness using LII, and (d) correlating the L |
| 6958308 |
Deposition of dispersed metal particles onto substrates using supercritical fluids |
October 25, 2005 |
| A method for producing dispersed metal particles on a substrate and the compositions produced is disclosed. A method for producing the particles comprises exposing an organometallic and a particulate substrate to supercritical or near supercritical fluid under conditions to form a mi |
| 6831194 |
Surface modification of carbonaceous materials by introduction of gamma keto carboxyl containing |
December 14, 2004 |
| The present invention provides a method for the preparation of carbonaceous materials comprising a plurality of gamma-keto-carboxyl containing functional groups surface bonded thereto, and further provides several surface modified carbonaceous materials resulting therefrom. |
| 6608132 |
Carbon black with abrasion and hysteresis advantages comparable to N121 and tear properties comp |
August 19, 2003 |
| The invention relates to an improved carbon black for tire tread rubber. More particularly, the invention relates to a carbon black which imparts upon tire tread rubber improved treadwear, lower rolling resistance, lower heat buildup and improved tear resistance. The improved carbon blac |
| 6533859 |
Surface treated carbon black having improved dispersability in rubber and compositions of rubber |
March 18, 2003 |
| The invention comprises a composition comprising a combination of carbon black and at least one surface treating agent selected from the group consisting of quinone compounds, quinoneimine compounds and quinonediimine compounds, as well as methods of obtaining the composition and the use |
| 6189768 |
Process and apparatus for pressing an external sleeve onto a tube for enhancing weld design |
February 20, 2001 |
| A process and apparatus that would hydraulically compress the external sleeve onto the inner APH tube, without deforming the inner surface of the APH tube during the process. The system would include a heating tube of the type having a continuous wall portion and a bore therethrough; a |
| 6120594 |
Hydrogen peroxide oxidation of carbon black |
September 19, 2000 |
| A process for the oxidation of carbon black with an aqueous mixture of hydrogen peroxide where carbon blacks are mixed with aqueous hydrogen peroxide then dried in order to efficiently oxidize industrial quantities of carbon black using standard carbon black production equipment and |
| 5708055 |
Thermoplastic composition comprising chemically modified carbon black and their applications |
January 13, 1998 |
| What is disclosed is an improved thermoplastic composition for use in wire and cable manufacturing processes, which features the use of from about 15 to 45 percentage by weight of a modified furnace carbon black having a specific surface area of from about 35 to 250 m.sup.2 /g, preferabl |
| 5538261 |
Mechanical heat-exchange tube sealing system |
July 23, 1996 |
| A sealing system for heat exchangers of the type having a plurality of vertically positioned heat tubes extending through a heat tube sheet for exchanging heat between the interior of the plurality of heat tubes to the surrounding atmosphere, the sealing system including a first outer ri |
| 5494955 |
Use of silane coupling agent with carbon black to enhance the balance of reinforcement propertie |
February 27, 1996 |
| A method of improving balance of properties, such as increased reinforcement and reduced rolling resistance of a rubber compound, comprising mixing the rubber compound with a carbon black and a silane coupling agent for a period of between about 10 seconds and 20 minutes at a tempera |
| 5375730 |
Unloading valve for hopper car |
December 27, 1994 |
| An unloading valve for hopper cars used for transporting dry fluent material such as carbon black. An unloading pipe extends outwardly from the bottom of the hopper, and a closure removably attaches at the end of the pipe. The closure includes a plug extending within the pipe and pre |
| 5256388 |
Method for consistently producing carbon black having a high tint |
October 26, 1993 |
| A non-cylindrical carbon black reactor for consistently and efficiently producing high tint carbon black. A plurality of flat sides defines the inner surface of the carbon black reactor. The flat sides provide a planar surface for the introduction of feedstock hydrocarbon into the reacto |
| 5168012 |
Carbon black beads with latex additive |
December 1, 1992 |
| Carbon black beads are provided which generally comprise carbon black powder and an elastomer such as styrene butadiene rubber, butadiene rubber, natural rubber, nitrile rubber, or the like, in an amount between 0.5 and 5.0% by weight of the beaded carbon black. The carbon black beads |
| 5069882 |
Carbon black reactor with a choke extension |
December 3, 1991 |
| A carbon black reactor having an extended reaction choke substantially reduces the presence of coke and refractory grit in the carbon black product and erosion of the carbon black reactor due to impingement of particles of forming carbon black within the reactor. The carbon black rea |
| 5009854 |
Axial reactor with coaxial oil injection |
April 23, 1991 |
| An axial flow carbon black reactor for producing carbon black particles having a relatively narrow particle size distribution. Feedstock oil is introduced into the reactor by a spray nozzle located coaxial with the longitudinal center line of the reactor. The oil spray flows either in th |
| 4952617 |
Dispersion of pigments in resins and coatings systems |
August 28, 1990 |
| A pigment dispersion of enhanced viscosity and heat stability characteristics for use in coating systems is provided. The pigment dispersions generally comprise a pigment carrier, a pigment of the type having a hydrophilic surface, and a surfactant functional as a dispersant in a rel |
| 4927607 |
Non-cylindrical reactor for carbon black production |
May 22, 1990 |
| A non-cylindrical carbon black reactor for consistently and efficiently producing high tint carbon black. A plurality of flat sides defines the inner surface of the carbon black reactor. The flat sides provide a planar surface for the introduction of feedstock hydrocarbon into the reacto |
| 4859387 |
Beader drum method |
August 22, 1989 |
| A carbon black beader drum having a plow-like member extending into the moving bed of beads within the drum. The member parts the surface of the moving bed, and carbon black in powder form is added to the beader drum by placement into the impression or furrow created in the moving bed by |
| 4755371 |
Method for producing carbon black |
July 5, 1988 |
| A process for producing a relatively coarse, highly structured carbon black having a large surface area. The method comprises mixing a hydrocarbon feedstock with hot combustion gases at a high temperature in a reaction chamber wherein turbulence and stream velocity are relatively low in |
| 4751069 |
Automotive high color carbon |
June 14, 1988 |
| Disclosed is a novel high color carbon black having an electron microscope surface area over 250 m.sup.2 /g and a nitrogen adsorption surface area between about 240 and about 500 m.sup.2 /g and a novel furnace carbon black having an electron microscope surface area above 250 m.sup.2 /g a |
| 4391789 |
Carbon black process |
July 5, 1983 |
| Disclosed is a method of making a carbon black product having a controllable aggregate particle size distribution comprising forming in a first zone of the carbon black reactor combustion gases at a high temperature and having a gradient of increasing turbulence in the downstream dir |
| 4367208 |
Process for the manufacture of battery carbon black |
January 4, 1983 |
| A process useful for the production of a carbon black useful as an ingredient in dry cell battery compositions is disclosed which comprises heating a carbon black feedstock having a dibutylphalate absorption (DBP) ranging from 200 to 250 cc/100 g, nitrogen surface area ranging from about |
| 4351815 |
Battery carbon black |
September 28, 1982 |
| Carbon black products useful as an ingredient in dry cell battery compositions are disclosed which have a wide aggregate size distribution with a range of measured aggregate volume from about 5.times.10.sup.4 to about 1.times.10.sup.9 nm.sup.3, a geometric mean aggregate volume (Log |
| 4342736 |
Reduction of the degradation of refractories in a carbon black reactor |
August 3, 1982 |
| Disclosed is a method of producing carbon black by subjecting to a separation step a hydrocarbon feedstock containing a meltable solid, clarifying the hydrocarbon of the meltable solid and thereby making a concentrate of hydrocarbon and the meltable solid, and whereas the clarified h |
| 4322565 |
Process for purifying ethers |
March 30, 1982 |
| An alkyl t-alkyl ether corresponding to the formula R--O--R', wherein R is a methyl or ethyl group and R' is a t-butyl or t-amyl group, is separated from the alkanol in a reactor effluent comprising a mixture of the ether, unreacted C.sub.1 -C.sub.2 alkanol, and unreacted hydrocarbon by |
| 4262149 |
Process for separating alkanols from aqueous calcium chloride |
April 14, 1981 |
| A C.sub.1 -C.sub.2 alkanol is separated from aqueous calcium chloride by adding a C.sub.4 or C.sub.5 hydrocarbon feed comprising an isoolefin to an aqueous solution of a calcium chloride-alkanol complex wherein the alkanol is methanol or ethanol at a temperature of about 80.degree.-120.d |
| 4220042 |
Measurement of carbon black dispersion |
September 2, 1980 |
| A method is disclosed for determining the dispersion of carbon black in elastomeric slabs by cutting a slab to form a planar surface and moving a height measuring transducer stylus over the planar surface. The transducer stylus provides an output current at a voltage which varies in |
