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Class 521/155 - Cellular product derived from a -N=C=X containing reactant wherein X is a chalcogen atom


Subclass of Class 521 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter involving a cellular polymer derived form
No. of patents: 554
Last issue date: 10/07/2008


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NumberTitleIssue Date
7432311Process for creating high internal phase polymeric emulsions
A “high internal phase polymeric emulsion” (“HIPPE”) composition is described which comprises an emulsion of a discrete phase (component A) and a continuous phase (component B), wherein the volume fraction of the discrete phase is the majority fraction (on a...
10/07/2008
7425288Method for preparing an open porous polymer material and an open porous polymer material
A method for preparing an open pourous polymer material, comprises forming of a polymer solution, addition of a porogen to the polymer solution and precipitation with water of polymer from the polymer solution, and the method then comprises removal of solvent and po...
09/16/2008
7368595Process for the production of light-colored isocyanates
The invention relates to an improved process for the production of isocyanates by the reaction of an amine or a mixture of two or more amines with phosgene, the improvement involving the phosgene containing less than about 100 ppm of sulfur in elemental or bound for...
05/06/2008
73513521,1,1,2,2,3,3,4,4-Nonafluoro-4-methoxybutane refrigerant compositions comprising a fluoroether and uses thereof
Disclosed herein are 1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxybutane refrigerant or heat transfer fluid compositions further comprising and a fluoroether compound, which are useful in refrigeration or air conditioning apparatus or as heat transfer fluids. The compositi...
04/01/2008
7351645Pressure sensitive adhesive sheet for use in semiconductor working and method for producing semiconductor chip
A pressure sensitive adhesive sheet to be used in producing an extremely thin semiconductor chip which is free of breakage and discoloration by a predicing process and a method of use thereof are provided. The pressure sensitive adhesive sheet is used in a method fo...
04/01/2008
7339020High-functionality polyisocyanates
High-functionality polyisocyanates are prepared by a process which comprises (i) preparation of an addition product (A) which contains one group which is reactive toward isocyanate and at least two isocyanate groups by reacting
03/04/2008
7323435Fluorinated oligourethanes
Fluorinated oligourethanes, having number average molecular weight lower than or equal to 9,000, having a branched structure, formed of the following monomers and macromers: a) aliphatic, cycloaliphatic or aromatic polyisocyanates, b) heter...
01/29/2008
7312253Insulating thermoplastic foams made with methyl formate-based blowing agents
A blowing agent blend for making thermoplastic polymer foams comprises methyl formate. The blowing agent blend can further comprise at least one co-blowing agent. The co-blowing agent is either a physical co-blowing agent (e.g. an inorganic agent, a hydrocarbon, a h...
12/25/2007
7299505Helmet cushioning pad with variable, motion-reactive applied-load response, and associated methodology
A site-selectable, helmet-installable load-cushioning pad structure employable inside a helmet shell as a part of a plural-spaced-pad distribution featuring a compressible viscoelastic foam core which resists rapid, but not slow-movement, compression. Associated met...
11/27/2007
7300961Polyol compositions useful for preparing dimensionally stable, low density water-blown rigid foams and the processes related thereto
The present invention relates to polyol compositions which can be used to produce dimensionally stable, low density water-blown rigid foams which have acceptable compressive strengths and acceptable k-factors. In one embodiment of the present invention, the polyol c...
11/27/2007
7288577Polyurethane foam containing flame retardant blend of non-oligomeric and oligomeric flame retardants
A polyurethane foam can be flame retarded by the incorporation therein of a flame retardant blend that comprises: (a) a non-oligomeric non-halogenated organophosphorus flame retardant (e.g., a phosphate ester) that is adapted for use in a polyurethane foam formulati...
10/30/2007
7275928Apparatus for forming a striation reduced chemical mechanical polishing pad
The present invention provides an apparatus for forming a chemical mechanical polishing pad, comprising a tank with polymeric materials, a storage silo with microspheres and a curative storage tank with curing agents. The apparatus further provides a premix prep tan...
10/02/2007
7267143Dynamic filling with high-pressure gas mixtures, particularly an NO/Omixture
A method of manufacturing a gas mixture of at least two components. Oxygen, nitrogen, helium, carbon dioxide, nitrous oxide, and carbon monoxide are all suitable for use as components in this method. Defined amounts of the components are dynamically mixed in order t...
09/11/2007
7261933Headliner having integrated energy absorbing foam
A method of manufacturing a headliner assembly for use in the interior compartment of an automotive vehicle comprising the steps of: placing a mold release film onto a concave mold surface of a lower mold assembly for providing a barrier against the mold surface; pl...
08/28/2007
7232877Preparation of oligomeric cyclocarbonates and their use in ionisocyanate or hybrid nonisocyanate polyurethanes
A method and apparatus for synthesis of oligomeric cyclocarbonates from epoxy compounds and carbon dioxide in the presence of a catalyst. Star epoxy compounds and their preparation and use in making star cyclocarbonates, star hydroxy urethane oligomers, and star NIP...
06/19/2007
7230037Method for mixing a polyol component and an isocyanate component
The present invention relates to a method for the continuous mixing of at least one polyol component and at least one isocyanate component and optionally additives to form a polyurethane reaction mixture in a stirrer mixer with an axially conveying stirrer. ...
06/12/2007
7199164High-strength black polyurethane foams
Black polyurethane foams that exhibit higher strength black colorations without the need for concomitant increases in black colorants therein are provided. Such a resultant jetter black foam article is possible through the unexpectedly effective introduction of smal...
04/03/2007
7195726Internal mold release for low density reaction injection molded polyurethane foam
A method for preparing a molded polyurethane foam article using an internal mold release composition is provided. More specifically, a method using an IMR agent and an IMR-enhancer compound to prepare a molded polyurethane foam article is provided. The method compri...
03/27/2007
7195815Process for producing foamed body of thermoplastic resin, mold for forming same and foamed body of thermoplastic resin
The invention provides a foamed body of thermoplastic resin having a high expansion ratio, desired shape and cells of desired diameter, especially fine cells. The foamed body of thermoplastic resin is produced by filling the thermoplastic resin containing a foaming ...
03/27/2007
7192997Encapsulant composition and electronic package utilizing same
A composition for use in making an encapsulant usable in the encapsulation of a semiconductor chip assembled to a substrate with C4 solder interconnections therebetween, which in turn may form part of an electronic package. The composition comprises a resin, a flexi...
03/20/2007
7179846Soundproofing and thermally insulating structural element
A structural element of closed-cell polyurethane rigid foam, with good thermal insulation and improved sound absorption is achieved by means of surface depressions satisfying specified criteria. ...
02/20/2007
7151121Polyurethane containing a polyol composition comprising a highly branched polysaccharide, mix and process for preparation thereof
The invention relates to a polyurethane obtainable by reacting a polyisocyanate and a polyol composition comprising a highly branched polysaccharide of randomly bonded glucopyranose units or an alkoxylated derivative of the same. The polysaccharide has an average nu...
12/19/2006
7144926Blowing agent blends
Foam blowing agent blends containing trans-1,2-dichloroethylene and one or more hydrofluorocarbons are provided, as are foam compositions containing such blends. The resulting foams exhibit dramatic improvement in fire performance. ...
12/05/2006
7138175Thermoplastic polymer composition
According to the present invention, it is provided a thermoplastic polymer composition comprising an alkyl ester of (meth)acrylic acid copolymer and a block copolymer prepared by extending, with a specific polyurethane component, the polymer chain of a block copolym...
11/21/2006
7138437Polyurethane 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
7125950Polyol fatty acid polyesters process and polyurethanes therefrom
A solvent-free process for making a polyol fatty acid polyester composition useful for preparation of polyurethanes is described. These compositions are preferably made by reaction of a natural oil (from plant or animal) with a multi-functional hydroxyl compound der...
10/24/2006
7122135Blend of organophosphorus flame retardant, lactone stabilizer, and phosphate compatibilizer
A flame retardant blend, suitable for incorporation into a polyurethane foam, comprises: an oligomeric organophosphourus flame retardant, preferably an organophosphate, having a phosphorus content of no less than about 10%; a benzofuran-2-one stabilizer; and a monom...
10/17/2006
7115221Method for producing graphite powder with an increased bulk density
A method for increasing the Scott density of synthetic and/or natural graphite powders of any particle size distribution, preferably of highly-pure graphite, by subjecting the graphite powder to an autogenous surface treatment. The powder is used, in particular, for...
10/03/2006
7094840Compositions comprising low molecular weight polyhydroxyalkanoates and methods employing same
Polyhydroxyalkanoate compositions including hot melt adhesive compositions, biodegradable wax compositions, and protective coating compositions are provided and include a low molecular weight polyhydroxyalkanoate, a terminally-modified polyhydroxyalkanoate, or both....
08/22/2006
7071241Process for producing porous object
The present invention provides a process for producing porous structure having similar properties to that of the porous structure produced with conventional urethane resin solution in organic solvent and suitable for artificial leather, wherein the environmental pol...
07/04/2006
7056415Wood adhesives
The present invention relates to a process for bonding two or more wood substrates by using as the adhesive isocyanate-terminated prepolymers having an isocyanate content of 8 to 20 wt. % and containing the reaction product of a) at least one organic polyisocyanate ...
06/06/2006
7033526Fire retardant foam and gel compositions
A composition which retards the spread of fire, protects assets at risk from fire damage and emits a material which aids in extinguishing the fire. The composition may be either in the form of a gel or a foam and may be used to protect any sort of object, such as pe...
04/25/2006
7005476Multicomponent coating and adhesive material
Disclosed is a multicomponent, isocyanate-terminated or silane-functionalized coating and adhesive material which is continuously produced by mixing the individual components and by heating the latter and continuing mixing until said components reach a liquid state,...
02/28/2006
6998011Epoxy adhesive having improved impact resistance
In the preparation of an improved adhesive composition, an epoxy-based prepolymer is obtained by the reaction of one or more epoxy resins with amino-terminated polyethers and/or carboxyl-terminated butadiene-nitrile rubbers. In one embodiment of the invention, both ...
02/14/2006
6976337Energy-saving housing
The invention provides energy-saving housing wherein the indoor temperature condition can be made comfortable throughout the year by a small amount of energy by suppressing loads on cooling and heating devices, and high airtightness and high heat insulation performa...
12/20/2005
6897247High internal phase polymeric emulsion composition
A high internal phase emulsion composition comprising: a) at least three components; b) component A is a polymer, monomer or mixture thereof; c) component B is a polymer; d) component C is a compatiblizer; e) substantially no voids; and wherein the volume fraction o...
05/24/2005
6889871Internally generated rotor set for low viscosity and abrasive metering applications
An internal gear set comprising an inner rotor having a number of radially projecting cylindrical tooth members engaging a conjugate internally toothed outer rotor. The latter has one more tooth than there are tooth members on the inner rotor and is mounted eccentri...
05/10/2005
6881763Plastic material
A material comprising the reaction product of an A-side having an isocyanate and a B-side having a cross-linker comprising a multifunctional alcohol, a vegetable oil, preferably a blown/oxidized vegetable oil, most preferably a blown/oxidized soybean oil, and a cata...
04/19/2005
6881764Polyurethane composition with glass cullet filler and method of making same
There is disclosed a polyurethane composition with a glass cullet filler. The composition comprises at least one polyol, an isocyanate, a catalyst and glass cullet. The glass cullet has an average particle size of not greater than 100 mesh and not less than 325 mesh...
04/19/2005
6867239Plastic material
A material comprising the reaction product of an A-side having a prepolymer isocyanate, preferably a prepolymer diisocyanate and a B-side having a cross-linker comprising a multifunction alcohol, a first vegetable oil, preferably a blown/oxidized vegetable oil, most...
03/15/2005
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