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Cabot Corporation Patents
Assignee:
Cabot Corporation
Address:
Boston, MA
No. of patents:
687
Patents:


1 2 3 4 5 6 7 8 9 10 11 12 13 14










Patent Number Title Of Patent Date Issued
RE42099 Methods and apparatus for producing and treating novel elastomer composites February 1, 2011
Elastomer masterbatch is processed in a continuous compounder having multiple parallel elongate rotors axially oriented in an elongate processing chamber. Optionally, additional materials are compounded into the masterbatch, e.g., additives, other elastomeric compositions, etc. Prefe
RE29506 Method of sealing the end of a filled welding rod January 3, 1978
In the manufacture of filled tube rods the ends of the rods are sealed with a solid organic film volatilizable at welding temperature to provide a contaminant free weldment. The organic film is preferably a sealant composition containing pyroxylin (nitrocellulose), ether, and absolute
RE29487 Earplugs December 6, 1977
There are disclosed earplugs composed of certain polymeric foam materials. The earplugs are of generally cylindrical shape and of somewhat larger diameter than the human ear canal. The earplugs are composed of a foamed plasticized polymeric material having a sufficiently high concentrati
RE29035 Methods of adding reactive metals to form a remelting electrode November 16, 1976
A method is provided for adding reactive metals to a molten metal bath by forming said reactive metal into an elongated member, suspending said member generally lengthwise vertically of a mold and pouring metal to be treated into said mold, to make said formed member an integral part of
RE28974 Process for making carbon black September 21, 1976
A process is provided for making high-quality carbon blacks at unusually good yields in a highly compact reaction space. The key steps of the process are the generation of a very hot combustion gas stream moving at very high speed in essentially plug flow by burning a hydrocarbon gas in
D322219 Container or similar article December 10, 1991
D307636 Earplug or similar article May 1, 1990
D307635 Earplug or similar article May 1, 1990
D307325 Earplug or similar article April 17, 1990
D303014 Earplug or similar article August 22, 1989
D298356 Earplug or similar article November 1, 1988
D276855 Earmuff cup or similar article December 25, 1984
8586651 Elastomer composite and method for producing it November 19, 2013
A method of producing an elastomer composite. The method includes A) combining a first fluid comprising elastomer latex with a second fluid comprising particulate filler; B) causing the elastomer latex to coagulate, thereby forming masterbatch crumb; C) bringing the masterbatch crumb
8585816 Low viscosity, high particulate loading dispersions November 19, 2013
The present invention relates to dispersions comprising particulate materials and a solvent, with an optional dispersant. The solvent has a low dielectric constant, and the particulate material is present at high loading levels. The resulting dispersion has been found to be stable and
8580024 Inkjet ink compositions comprising modified pigments November 12, 2013
The present invention relates to an inkjet ink composition comprising a liquid vehicle and a modified pigment, which comprises the reaction product of a non-modified pigment and at least one reagent having the formula H.sub.2N-A-Y. The modified pigments themselves, as well as methods
8574537 Low structure carbon black and method of making same November 5, 2013
A carbon black having an I.sub.2 number from 30 mg/g to 200 mg/g and a DBP from 20 cc/100 g to 40 cc/100 g.
8258207 Blends of carbon blacks and products containing the same September 4, 2012
Blends of carbon black or other fillers is described. The blends of carbon black or other fillers are preferably pre-blended prior to introducing the blend into a product such as an elastomeric or polymeric product.
8257612 Compositions having multiple responses to excitation radiation and methods for making same September 4, 2012
The present invention relates to a composition having a first response to a first electromagnetic radiation and, after intermediate exposure to a second electromagnetic radiation, a second response to the first electromagnetic radiation, different from the first response. In one aspe
8252485 Electrocatalyst compositions and processes for making and using same August 28, 2012
In a method of producing a particulate electrocatalyst composition, a precursor medium comprising at least a first metal precursor, a liquid vehicle, and a substrate precursor to substrate particles is atomized into precursor droplets. The droplets are then heated to a reaction tempe
8227117 Modified carbon products, their use in electrocatalysts and electrode layers and similar devices July 24, 2012
Electrodes and electrocatalyst layers incorporating modified carbon products. The modified carbon products may advantageously enhance the properties of an electrode or electrode layer, leading to more efficiency within the a fuel cell or similar device.
8203125 Light to heat conversion layer incorporating modified pigment June 19, 2012
A LTHC layer for use in radiation induced thermal transfer includes a modified pigment.
8202502 Method of preparing hydrophobic silica June 19, 2012
The invention provides hydrophobic surface-treated silica particles having (1) a ratio T2:T3 of about 0.4 or more, wherein T2 is the intensity of a peak having a chemical shift in the CP/MAS .sup.29Si NMR spectrum centered within the range of -56 ppm to -59 ppm, and wherein T3 is the
8168118 Powder metallurgy sputtering targets and methods of producing same May 1, 2012
A method of forming a sputtering target and other metal articles having controlled oxygen and nitrogen content levels and the articles so formed are described. The method includes surface-nitriding a deoxidized metal powder and further includes consolidating the powder by a powder me
8167393 Printable electronic features on non-uniform substrate and processes for making same May 1, 2012
A system and process for compensating for non-uniform surfaces of a substrate when direct printing traces is provided. The system and process provided herein measures the surface of a substrate and can determine whether the surface is substantially flat, rises or falls, or whether a
8163669 Fuel reformer catalyst and absorbent materials April 24, 2012
Materials that are useful for absorption enhanced reforming (AER) of a fuel, including absorbent materials and catalyst materials and methods for using the materials. The materials can be fabricated by spray processing. The use of the materials in AER can produce a H.sub.2 product ga
8147604 Modified pigment containing inkjet ink compositions having a reduced conductivity increase April 3, 2012
The present invention relates to a modified pigment comprising a pigment having attached at least one salt of a geminal bisphosphonic acid group or partial esters thereof, as well as to dispersions and inkjet ink compositions comprising such modified pigments. Preferably the salt com
8142843 Aerogel particles and methods of making same March 27, 2012
Aerogel particles having a mean particle size less than 1 micron, products containing the same, processes of making the same, and uses thereof are described. A process of making the particle is also described wherein starting aerogel particles are homogenized or wet milled. The start
8133311 Pigment dipsersions comprising functionalized non-polymeric dispersants March 13, 2012
The present invention relates to pigment dispersions comprising a liquid vehicle, a pigment, and a non-polymeric dispersant comprising at least one functional groups. Various embodiments of the functional group are disclosed. For each of these embodiments, preferably the functional group
8129448 Method of preparing polymer modified pigments March 6, 2012
The present invention relates to a method of preparing a polymer modified pigment comprising the steps of, combining, in any order, a modified pigment comprising a pigment having attached at least one reactive group, a polymer comprising at least one functional group, and a non-reactive
8110172 Methods of making a niobium metal oxide and oxygen reduced niobium oxides February 7, 2012
Methods to at least partially reduce a niobium oxide are described wherein the process includes mixing the niobium oxide and niobium powder to form a powder mixture that is then heat treated to form heat treated particles which then undergo reacting in an atmosphere which permits the
8105643 Process for printing features with smaller dimensions January 31, 2012
The invention relates generally to a printing process. In particular, the invention relates to a printing process where a first-printed feature or vanishing trace causes a second-printed feature to have a smaller dimension than it would in the absence of the first-printed feature or
8101231 Processes for forming photovoltaic conductive features from multiple inks January 24, 2012
Photovoltaic conductive features and processes for forming photovoltaic conductive features are described. The process comprises (a) providing a substrate comprising a passivation layer disposed on a silicon layer; (b) depositing a surface modifying material onto at least a portion of th
8080495 Diesel oxidation catalysts December 20, 2011
A catalyst composition comprises a particulate support and catalyst nanoparticles on the particulate support. The catalyst nanoparticles comprise an alloy of platinum and palladium in an atomic ratio of from about 25:75 to about 75:25 and are present in a concentration of between abo
8070186 Printable reflective features formed from multiple inks and processes for making them December 6, 2011
The invention relates to reflective features formed from multiple inks. In one embodiment, the reflective feature includes a substrate having a first region and a second region, the first and second regions having different surface characteristics; a first reflective element disposed on
8062820 Toner composition and method of preparing same November 22, 2011
The invention provides a toner composition comprising toner particles and composite metal oxide particles comprising a core consisting of a first metal oxide and a coating consisting of a second metal oxide. The core is substantially spherical and non-aggregated. The invention also provi
8058195 Nanoglass and flame spray processes for producing nanoglass November 15, 2011
The invention is to processes for producing a nanoglass powder batches and to powder batches formed by such processes. In one embodiment, the process comprises the steps of providing a precursor medium comprising a first metal oxide precursor to a first metal oxide, a second metal oxide
8056708 Elastomer composite materials in low density forms and methods November 15, 2011
A bale of elastomer composite is formed of elastomer and filler, the bale having a void volume of at least 3%. In another aspect, a container is provided, at least a portion of the container being occupied by elastomer composite pieces of elastomer and filler, wherein the occupied portio
8048213 Inkjet ink compositions comprising azo pigments November 1, 2011
Inkjet ink compositions comprising a liquid vehicle, an azo pigment, and a synergist are described. The colorant of the azo pigment and the synergist have specific structural features that, in combination, can be used to form an inkjet ink composition having long term stability in a
8047575 Printable features formed from multiple inks and processes for making them November 1, 2011
The invention relates to reflective and non-reflective features formed from multiple inks. In one embodiment, the printed feature comprises a substrate having a first region and a second region, the first and second regions having different surface characteristics; a first printed elemen
8040660 High voltage niobium oxides and capacitors containing same October 18, 2011
Nb.sub.1-xTa.sub.xO powder wherein x is 0.1 to 0.5 is described. Further, this powder, as well as niobium suboxide powders, can be doped with at least one dopant oxide. Pressed bodies of the powder, sintered bodies, capacitor anodes, and capacitors are also described.
8038971 Fumed silica of controlled aggregate size and processes for manufacturing the same October 18, 2011
The invention provides fumed silica comprising aggregates that have an aggregate size and a surface area that satisfy particular formulas relating aggregate size to surface area, as well as aggregates that exhibit particular viscosity, power law exponent index, and/or elastic modulus
8034316 Carbon blacks having low PAH amounts and methods of making same October 11, 2011
Carbon blacks, such as rubber blacks, having a low PAH concentration are described. Furthermore, elastomeric or rubber compositions containing the carbon black of the present invention are further described, as well as methods of making carbon black having a low PAH concentration.
8029761 Surface-treated metal oxide particles October 4, 2011
The invention provides surface-treated metal oxide particles. The surface-treated metal oxide particles have specific ratios of (1) the integrated area of the resonance signals with chemical shifts in the range from -4 ppm to -33 ppm to the integrated area of the resonance signals wi
8021583 Aerogel containing blanket September 20, 2011
A process of producing a blanket is described and can involve forming an aqueous slurry of hydrophobic aerogels, fibers, and at least one wetting agent, drying the aqueous slurry to form a substantially dried product, and calendaring the substantially dried product to form the blanket. T
8021471 Modified colorants with aliphatic poly-acid groups September 20, 2011
Modified colorants which can be pigments or dyes are described wherein the colorant has attached at least one aliphatic poly-acid group. Ink and inkjet ink compositions, formulations, and systems are further described, as well as methods of generating a printed image.
8012390 Elastomer composite materials in low density forms and methods September 6, 2011
A bale of elastomer composite is formed of elastomer and filler, the bale having a void volume of at least 3%. In another aspect, a container is provided, at least a portion of the container being occupied by elastomer composite pieces of elastomer and filler, wherein the occupied portio
7998287 Tantalum sputtering target and method of fabrication August 16, 2011
A process is described for processing metal which includes clock rolling a metal plate until the desired thickness is achieved to form a rolled plate. Sputtering targets and other metal articles are further described.
7972428 Process for preparing modified pigments July 5, 2011
A process for preparing a modified pigment having attached at least one organic group is described. This process comprises the step of combining, in any order, a colored pigment, an aromatic amine, a base, and an aqueous medium to form a mixture, and then combining the mixture and a
7968191 Modified carbon products and their applications June 28, 2011
Modified carbon products including a metal group attached to the modified carbon product. The modified carbon products are particularly useful for various applications such as catalysis, electronic conduction, ionic conduction, absorbents, heat transfer and luminescence.
7959726 Blends of carbon blacks and products containing the same June 14, 2011
Blends of carbon black or other fillers is described. The blends of carbon black or other fillers are preferably pre-blended prior to introducing the blend into a product such as an elastomeric or polymeric product.
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