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Class 523/450 - Coal, asphaltic, or bituminous material DNRM


Subclass of Class 523 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the DNRM is coal, bituminous, or
No. of patents: 40
Last issue date: 02/28/2012


NumberTitleIssue Date
8124674Halogen-free resin composition with high frequency dielectric property, and prepreg and laminate made therefrom
The present invention relates to a halogen-free resin composition with high frequency dielectric property, and a prepreg and a laminate made therefrom. The halogen-free resin composition with high frequency dielectric property comprises, calculating according to the...
02/28/2012
7235125Artificial finger print liquid, testing method for optical information medium using it and optical information medium
A low-cost artificial fingerprint liquid for quantitatively and with a good reproducibility evaluating an anti-staining property, and a fingerprint adhering property or a fingerprint removing property on the surface of an optical disk such as a reproduction-only opt...
06/26/2007
7186357High swelling ramming paste for aluminum electrolysis cell
A new ramming paste for aluminum reduction cell cathodes is a high swelling cold ramming paste made of a blend of pitch, light oil diluent and an aggregate comprising a mixture of anthracite and crushed anode butts or calcined coke. The presence of the crushed anode...
03/06/2007
7179017Low-viscosity, silicone-modified penetrating asphalt sealer to eliminate water associated problems in asphalt pavements
A solvent-based solution including methods of making and using for treating and protecting for heavy traffic asphalt pavement, particularly against water-associated problems, such as repeated freeze/thaw cycles, and damage caused by exposure to UV light. The mechani...
02/20/2007
7157508Polymer-linked asphalt compositions
Disclosed are a thermoplastic polymer-linked-asphalt composition and a process for making a thermoplastic polymer-linked-asphalt. More particularly, the present invention relates to the reaction and resultant linking of a combination of epoxide-containing polymers a...
01/02/2007
7081492Ambient temperature anhydrous liquid cross-linking agent
An air hydrous cross-linking compound which is liquid at ambient temperature. The cross-linking compound includes at least one element chosen from Group VI-A of the periodic table of elements and a natural or synthetic polymer. ...
07/25/2006
6979708Hydrotalcites, syntheses, and uses
Synthetic hydrotalcites of the general formula [M2+1−xM3+x(OH)2]x+[An−x/n.mH2O]x− where M2+ is a divalent...
12/27/2005
6743838Expoxy functionalized ethylene copolymer asphalt reaction products
The present invention relates to polyepoxy-polymer-linked-asphalt having enhanced properties made by reacting a glycidyl-functionalized ethylene copolymer with reactive asphalt, wherein the glycidyl-functionalized ethylene copolymer has a glycidyl-containing comonom...
06/01/2004
6395845Waterproofing membrane from epoxy resin and amine-terminated polyamide
The present invention relates to thermoset epoxy resin waterproofing membranes for structures such as roofs comprising: (a) one or more epoxy resin(s) having an average of at least 1.5 epoxy groups per molecule; (b) a liquid amine terminated polyamide prepared...
05/28/2002
6020404Bitumen/polymer compositions with improved stability and their application in carrying out surfacing operations
Bitumen/polymer compositions are provided containing a bitumen or a mixture of bitumens and, reckoned by weight of bitumen, 0.3% to 20% of at least one primary polymer selected among certain elastomers and plastomers and 0.01% to 12% of at least one olefi...
02/01/2000
6011095Method for preparing bitumen/polymer compositions and use thereof
Bitumen/polymer compositions are produced by contacting, between 100° C. and 230° C., under agitation, one bitumen or a mixture of bitumens with at least one olefinic polymer bearing epoxy or COOH groupings, then by incorporating in the product, an acid...
01/04/2000
5990203Method for improving the compatibility of random vinyl substituted aromatic/C4 -C6 conjugated diolefin polymer/asphalt mixtures
The present invention relates to a method for improving the compatibility of random vinyl substituted aromatic/C4 -C6 conjugated diolefin polymer/asphalt mixtures comprising adding a modifier to said random vinyl substituted aromatic...
11/23/1999
5604274Thermosetting asphalt having continuous phase polymer
A thermosetting asphalt product includes a blend of an asphalt and an epoxy-functionalized polymer, the epoxy-functionalized polymer being present in an amount within the range of from about 4 to about 30 percent of the combination of asphalt and epoxy-fu...
02/18/1997
5576363Thermosetting asphalt
A thermosetting asphalt composition includes a blend of an asphalt and an epoxy-functionalized polymer, the epoxy-functionalized polymer being present in an amount within the range of from about 4 to about 30 percent of the combination of asphalt and epox...
11/19/1996
5574095Method for producing asphalts containing an epoxy-containing polymer and polyamine
A method of making an asphalt composition including mixing an asphalt base, a epoxy-functionalized polymer, and then a polyamine, thereby producing a final asphalt composition; and recovering said final asphalt composition....
11/12/1996
5451619Asphalt composition containing epoxidized polymers
A bituminous composition comprising a bituminous component and an epoxidized polymer of a conjugated diolefin and, optionally, a vinyl aromatic hydrocarbon....
09/19/1995
5266614Corrosion resistant coating formed from a petroleum coke and epoxy resin composition
A novel organic coating to be used on metal surfaces as a protective barrier against corrosion is described. The coating comprises a base component formed from epoxy resin, petroleum coke, magnesium silicate, a solvent, and optionally a thixotropic agent ...
11/30/1993
4882371Durable epoxy resin paint composition
A durable epoxy resin paint composition is disclosed, comprising from 0.5 to 10% of a vinylidene chloride-based resin emulsion and from 99.5 to 90% of an epoxy resin paint. A durable epoxy resin paint composition is also disclosed, comprising from 5 to 40...
11/21/1989
4812493Dual cure rate water-based coating compositions
A two component water-based composition which cures in two stages, an initial rapid curing stage and a slower curing stage, comprising as the first component, a mixture of a polyaldehyde chosen from the group consisting of glyoxal glutaraldehyde and deriv...
03/14/1989
4535103Coating composition
A coating composition comprises (A) a polyol resin obtained by the reaction of a prepolymer of epoxy resin and phosphorus compound having at least one P--OH bond, such as acids of phosphorus, and one or more compounds having one or more amino groups react...
08/13/1985
4530947Anticorrosive coating composition
A coating composition which comprises (A) a polyol resin obtained by the reaction of a prepolymer of epoxy resin and polyhydroxy penolic compound such as (i) poly-nuclear polyhydroxy phenols having adjacent hydroxy groups (ii) polyol esters of polyhydroxy phenolic ...
07/23/1985
4510273Thixotropic agent
A polyolefin fiber synthetic pulp having a specific Drainage Factor, Floating Factor, average diameter and Classified Fiber Length serves as an effective thixotropic agent....
04/09/1985
4507411Cross-linked polymer compositions and production thereof
A composition suitable for forming surface coatings, laminates or composite materials formed by bringing together: (a) a first polymer containing carboxylic acid, anhydride or acid chloride groups, (b) an amine or alcohol or a derivative thereof which is a ter...
03/26/1985
4499215Modified asphalt-epoxy resin composition
An asphalt/epoxy resin coating composition in which asphalt and epoxy resin are sufficiently compatible with each other is produced by mixing under heat asphalt with a condensation product of an asphalt and a non-thermoreactive phenol resin such as C...
02/12/1985
4360608Epoxy resin-bitumen material composition
An epoxy resin-bitumen material composition is prepared by mixing an epoxy resin and a bitumen material in the presence of a co-solubilizer represented by the general formula ##STR1## wherein R is hydrogen or a hydrocarbyl group having 1-9 carbon ato...
11/23/1982
4332706Internal reflection suppressing coating material for optical glass
Internal reflection of an optical glass is suppressed by applying a coating material comprising a material selected from coal tar and coal tar pitch and a resin selected from vinylidene chloride series copolymers and halogenated epoxy resins....
06/01/1982
4307223Solid resin prepared by polymerizing by-product tar formed during preparation of resorcinol
A solid resinous product useful for coatings, adhesives and molding materials which is obtained by polymerizing a by-product tar produced as by-product in manufacturing resorcinol or resorcinol and hydroquinone via hydroperoxide of m-diisopropylbenzene or...
12/22/1981
4288353Carbon bearing contact paste
Carbonaceous contact paste for producing a high strength, electrically conductive connection between elements which experience high temperatures. The cold workable paste comprises a mixture of epoxy resin and tar as binder and graphite and metal in powder...
09/08/1981
4269879Solventless epoxy-based coating composition, method of applying and article coated therewith
The invention relates to a low-viscosity, solvent-free epoxy-based coating composition consisting essentially of: (a) an epoxy fraction consisting of polyphenol epoxy resins and mixtures thereof; and (b) a curing fraction consisting essentially of: (1) a non-v...
05/26/1981
4237035Epoxy resin from by-product tar from resorcinol process and use thereof
An epoxy resin useful for coatings, adhesives and molding materials which is derived from a by-product tar produced as by-product in manufacturing resorcinol or resorcinol and hydroquinone via hydroperoxide of m-diisopropylbenzene or of a combination of m...
12/02/1980
4230660Epoxy-borax-coal tar composition for a radiation protective, burn resistant drum liner and centrifugal casting method
A boron containing burn resistant, low level radiation protection material useful, for example, as a liner for radioactive waste disposal and storage, a component for neutron absorber, and a shield for a neutron source. The material is basically composed ...
10/28/1980
4189548Epoxy resin composition
An epoxy resin composition comprising [A] a novel copolymer produced by polymerizing a polymerizable material selected from the group consisting of (a) substituted or unsubstituted dicyclopentadiene; (b) a cationically polymerizable unsaturated hydrocarbon-containi...
02/19/1980
4169822Hot melt sealants
Solvent-free hot melt compositions for use as sealants, adhesives, caulking compounds or the like are produced by intimately blending elastomeric polymers with tackifying resins and plasticizers to obtain products having a hardness at room temperature of ...
10/02/1979
4162998Process for preparation of asphalt-epoxy resin composition
A paving composition is prepared by mixing heated asphalt with a composition comprising an epoxy resin and an amine having 2 active hydrogens and either an aliphatic hydrocarbon group having 8 to 22 carbon atoms or an alkylphenyl group in which the alkyl ...
07/31/1979
4139511Asphalt compositions
An asphalt composition comprising an epoxy resin, a maleinated asphaltic material and, if desired, a curing agent for the epoxy resin....
02/13/1979
3997461Method of preparing antifoulant coating compositions and resulting product
An antifoulant coating composition and preparation method in which the final composition is composed of two Components A and B mixed immediately before the composition is applied, and usually an inert filler introduced at least in part via Component A. Th...
12/14/1976
3991025Urethane containing hot melt sealants, adhesives and the like
Solvent-free hot melt compositions for use as sealants, adhesives, caulking compounds or the like are produced by intimately blending elastomeric polymers with tackifying resins and plasticizers to obtain products having a hardness at room temperature of ...
11/09/1976
3960785Composition and method for inhibiting curing shrinkage in organic plastic systems
The shrinkage of organic plastics, such as polyepoxies and polyesters, can be controlled by incorporating therein an admixture of solid particulate gas carriers, such as fluid coke, activated alumina, activated bauxite, silica gel, and delayed coke....
06/01/1976
3948827Dry planographic printing ink composition
A dry planographic printing ink composition which comprises a vehicle for an ink, a pigment and a solvent, characterized by using as a portion of the vehicle 1 to 40% by weight of a silicone modified alkyd resin containing 5 to 50% by weight of at least o...
04/06/1976
3945957Dry planographic printing ink composition
A dry planographic printing ink composition which comprises a vehicle for an ink, a pigment and a solvent, characterized by using as a portion of the vehicle 1 to 40% by weight of silicone modified alkyd resin containing 5 to 50% by weight of organopolysi...
03/23/1976
 
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