Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8017674 | Heat-conductive adhesive The invention provides a heat-conductive adhesive with high heat spread properties and excellent handleability. A pitch-based carbon fiber filler with high thermal conductivity and a smooth surface is combined with an adhesive resin to produce a heat-conductive adhe... | 09/13/2011 |
| 7357594 | Method of rejuvenating road surfaces with polymer modified asphalt emulsions A composition for rejuvenating asphalt pavement according to the present invention comprises an asphalt binder, water, a cationic surfactant, a recycling agent, and a cationic, co-agglomerated styrene butadiene rubber latex, which includes sulfur and a vulcanizing a... | 04/15/2008 |
| 7183003 | Thermal interface material and method for manufacturing same A thermal interface material (40) includes a silver colloid base (32), and an array of carbon nanotubes (22) disposed in the silver colloid base uniformly. The silver colloid base includes silver particles, boron nitride particles and polysynthe... | 02/27/2007 |
| 7138437 | Polyurethane composition containing a property-enhancing agent A composition comprising at least a part A and a part B is disclosed. The part A comprises at least one polyol and the part B comprises at least one isocyanate. At least one part further comprises at least one of the following: a strength enhancer having a softening... | 11/21/2006 |
| 7066997 | Coal tar and hydrocarbon mixture pitch and the preparation and use thereof A method of making the saturated aircraft brake preform using a coal tar pitch having a softening point in the range of about 160° C. to 240° C. Also, a product having natural rubber in the formulation and the method of making the product using a coal tar pitch ha... | 06/27/2006 |
| 6979705 | Water based coal tar emulsions Water-based coal tar emulsions are described which are prepared from a blend comprising coal tar, water, acrylonitrile-butadiene copolymer powders and clay. After the emulsion is prepared from the blend, a rubber latex may be added to the emulsion. Films obtained fr... | 12/27/2005 |
| 6346561 | Pavement material The present invention is a recipe and method for combining Gilsonite and other asphaltites with curative elastomers that are powder granular form and which are added to asphalt. Second recipe and method is disclosed to create a dry liquid concentrate comp... | 02/12/2002 |
| 6306209 | Pigment dispersions containing dispersants having pendent hydrophobic polymeric segments prepared by controlled radical polymerization A pigment dispersion comprising pigment, an aqueous carrier selected from water and a mixture of water and at least one organic solvent, and a pigment dispersant is described. The pigment dispersant is prepared by polymerizing (i) at least one prepolymer ... | 10/23/2001 |
| 6300394 | Coal tar compositions modified by nitrile butadiene rubber A modified coal tar useful in roofing applications, containing coal tar, a nitrile butadiene rubber, and in some instances an effective amount of a plasticizer is prepared by heating the coal tar to a molten temperature, adding the rubber in powder form a... | 10/09/2001 |
| 6255370 | Rail spike retention and tie preservation mixture and method A rail spike retention and tie preserving mixture and method are disclosed for use in a wood cross tie at the situs of a driven rail spike, the mixture providing a single stage dry mixture application and including ground petroleum pitch, sub-angular sili... | 07/03/2001 |
| 6235400 | Vibration-isolating laminar rubber structure having rubber layers whose composition includes at least one of asphalt, tar and pitch materials A vibration-isolating laminar rubber structure including highly rigid hard plates and rubber layers which are alternately laminated on each other, wherein the rubber layers are formed of a rubber composition comprising 1-50 parts by weight of at least one... | 05/22/2001 |
| 6166131 | Highly reactive modified phenolic resin and molding material for electrical/electronic parts and semiconductor sealing material Disclosed is a process for producing a highly reactive modified phenolic resin, which comprises mixing a heavy oil or pitch with 0.3 to 10 mol of a phenol, 0.2 to 9 mol in terms of formaldehyde, of a formaldehyde compound and 0.01 to 3.0 mol of an acid ca... | 12/26/2000 |
| 6121375 | Gels formed by the interaction of poly(aldehyde) with various substances The present invention, which addresses the needs of the prior art, provides irreversible, hydrophilic gels which can be incorporated into dressing compositions, dermatologically compatible compositions, wound packings, wound dressings, burn dressings, dru... | 09/19/2000 |
| 6120593 | Hot-repair mix comprising p-alkylphenols as fluidizing agents The hot repair mix according to the present invention comprises p-alkylphenol as an auxiliary fluidizing agent in an amount of 1 to 20 weight parts and a material to form carbon bond in hot working process in an amount of 5 to 40 weight parts to 100 weigh... | 09/19/2000 |
| 6066685 | Method for treating plastics and solid fuel obtained by the same method A method for treating plastics, which is feasible on plastics containing films mixed therein, which is capable of performing dehydrochlorination simultaneously, and which provides processed plastics capable of being easily size-reduced. The method include... | 05/23/2000 |
| 6043302 | Impact absorbing macadam An impact absorbing macadam comprises 10 to 75% (preferably 25 to 45%) of a particulate rubber having a particle size of up to 40 mm, 25 to 90% (preferably 45 to 65%) of an aggregate having a particle of up to 40 mm and from 5 to 9% of a polymer modified ... | 03/28/2000 |
| 6034210 | Process for producing highly reactive modified phenolic resin and molding material Disclosed is a process for producing a highly reactive modified phenolic resin, which comprises mixing a heavy oil or pitch with 0.3 to 10 mol of a phenol, 0.2 to 9 mol in terms of formaldehyde, of a formaldehyde compound and 0.01 to 3.0 mol of an acid ca... | 03/07/2000 |
| 5969013 | Coal tar compositions Improved coal tar compositions are described which are prepared from a blend comprising: (A) based on the combined weight of coal tar and coal tar pitch, from about 80 parts to about 98 parts by weight of coal tar having an overall float test of from abou... | 10/19/1999 |
| 5965626 | Method of making rigid asphaltic foam An asphaltic isocyanurate foam useful in roofing applications. The foam is made from asphalt having a penetration range of between approximately 5-25, a softening point of between approximately 120° F. and 200° F., and an asphaltene content of no more t... | 10/12/1999 |
| 5925695 | Curable composition, a cured article therefrom, an asphalt emulsion, an asphalt mixture for paving, and a cured article therefrom Disclosed are a curable composition, a cured article therefrom having improved properties, an asphalt emulsion, an asphalt mixture for paving, and a cured article prepared therefrom having an excellent water permeability.... | 07/20/1999 |
| 5922124 | Additive for, method of adding thereof and resulting cured cement-type concreations for improved heat and freeze-thaw durability An additive for, a method of adding thereof to uncured mixes for and resulting cured cement-type concreations such as cured embodiments of concrete, marcadam, and roof-top shingles each exhibiting improved heat and freeze-thaw durability resulting from re... | 07/13/1999 |
| 5868894 | Method for producing cast-in-place flexible joined-together constructional structures and buildings A method for producing cast-in-place flexible joined-together constructional structures and buildings comprises applying to precleaned mating surfaces of the constructional structures and buildings involved a thiokol-containing compound incorporating the ... | 02/09/1999 |
| 5854322 | Coal tar pitch modified by nitrile butadiene rubber A modified coal tar pitch useful in roofing applications, containing coal tar pitch, and a nitrile butadiene rubber, is blended by heating the coal tar pitch to a molten temperature, adding the rubber in powder form and agitating the material in a suitabl... | 12/29/1998 |
| 5743950 | Process for preparing an asphalt composition The present invention provides a process for preparing a dense-graded asphalt composition which comprises adding a hard binder component to a mixture of a soft binder component and aggregate at a temperature of less than 140° C.... | 04/28/1998 |
| 5731249 | Spray-on refractory composition The object of the present invention is to provide a spray-on (gunning) refractory composition having high anti-stripping property, adhesive strength and corrosion resistant property suitable even for high temperature operation in steelmaking furnace. To r... | 03/24/1998 |
| 5688860 | Polyurethane/polyurea elastomers Polyurethane/urea elastomers having an isocyanate equivalent index below 100, preferably from about 15 to about 80; containing an effective amount of polyisocyanate component, and an effective amount of an isocyanate reactive component comprising at least... | 11/18/1997 |
| 5631313 | Suspending medium for particulate material A new stable liquid suspension of a non soluble particulate material, and a method of preparation of same are provided. Such compositions comprise at least one oil, one oil soluble resin and a non oil soluble particulate material mixed together In the app... | 05/20/1997 |
| 5604277 | Rubber and plastic bonding A dry liquid concentrate mixture is disclosed comprising crumb rubber particles and tall oil, tall oil derivatives or other fatty acids, which may be enhanced by other components, such as modifiers, for use to enhance the properties of parent materials, s... | 02/18/1997 |
| 5578663 | Pavement rejuvenator and dressing conditioner with elastomer A pavement rejuvenating and/or conditioning composition in which particular coal tar derivatives and other optional ingredients are supplemented with an elastomeric constituent. A rejuvenating or conditioning composition containing an elastomer will relia... | 11/26/1996 |
| 5552470 | Thermoplastic elastomer composition A thermoplastic elastomer composition is provided which is highly durable and free from oxidative deterioration when exposed to elevated temperature as in molding and also ambient temperature at which an end product thereof is used. These advantageous fea... | 09/03/1996 |
| 5473000 | Method for improving the strength of bitumen, asphalt or a similar material, and a composition obtained by the method The invention relates to a method for improving the properties of bitumen, asphalt, or a similar material by adding to it a thermoplastic or a thermoelastomer, the solubility and compatibility of the thermoplastic or thermoelastomer being improved by a th... | 12/05/1995 |
| 5455291 | Coal-tar-pitch-based compositions A coal-tar-pitch-based roofing composition containing coal tar pitch, a rubbery block polymer, an extender oil, and an antioxidant to retard degradation of the coal tar pitch during blending of the composition, the composition being formed by heating the ... | 10/03/1995 |
| 5352718 | Electrorheological semisolid The present invention relates to an electrorheological semisolid capable of changing the rheological characteristics by an application of voltage. The semisolid is composed of 20-70 weight. Parts of carbonaceous particulates having an average particle siz... | 10/04/1994 |
| 5350610 | Damping material Disclosed is a damping material, which contains from 3 to 30% by weight of a thermoplastic elastomer containing at least two polymer blocks along with a bitumen and which has a dynamic loss tangent (tan δ) of being 0.5 or more in 10% deformation under th... | 09/27/1994 |
| 5216048 | Emulsion-type adhesive compositions This invention relates to emulsion-type adhesive compositions which include a copolymer of a conjugated diene and sulfopropyl-N-methacroyloxyethyl-N,N-dimethyl ammonium betaine, wherein the sulfobetaine copolymer has about 0.15 to about 15 mole % sulfobet... | 06/01/1993 |
| 5173522 | Rubber compositions A rubber composition comprising a naturally occurring and/or synthetic rubber and a selected amount of a hydrogen donor material having a hydrogen transfer (hydrogen atom/mol anthracene) of at least 0.1. The composition is highly stable during molding and... | 12/22/1992 |
| 5116413 | Process and sealing agent for producing a watertight and/or gastight bushing of lines in a water-resistant and/or gas-blocking wall, and device for use thereof A process is provided for feeding cables, wires, pipes etc. through a wall in such a way that the water- and/or gas resistance of the wall is maintained and that later on additional cables etc. can be passed through. The process uses a sealing agent compr... | 05/26/1992 |
| 5100937 | Thermoplastic resin compositions A thermoplastic resin composition comprising a thermoplastic resin (A) and a hydrogen donative material or Component (B) added in an amount of 0.01-40 weight parts per 100 weight parts resin (A), the hydrogen donative material having a transfer of hydroge... | 03/31/1992 |
| 5066694 | Novel pressure sensitive adhesive compositions (C-2511) This invention relates to a pressure sensitive adhesive compositions which include an emulsion of a metal neutralized sulfonated copolymer of isoprene/sodium styrene sulfonate, wherein the neutralized sulfonated copolymer has about 5 to about 250 meq. of ... | 11/19/1991 |
| 5051296 | Novel pressure sensitive adhesive articles containing an adhesive layer based on diene-ethoxylated alkyl amine styrene sulfonate copolymers This invention relates to emulsion type adhesive compositions which include a metal neutralized copolymer of a conjugated diene and an ethoxylated alkylamine salt of a styrene sulfonate, wherein the sulfonated copolymer has about 5 to about 125 meg. of su... | 09/24/1991 |
