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7563830 |
Method for the production of biodegradable foamed products
A method for the production of a biodegradable foamed product 7 from a base material and a blowing agent 1 . The base materials are mixed with a blowing agent and any other required additives 1...
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7482390 |
Sinterable structures and method
A method of producing an open, porous structure having an outer surface defining a shape having a bulk volume and having interconnecting openings extending throughout said volume and opening...
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7479530 |
Polymer having charged units
A polymer comprising one or more macromonomer units selected from the group consisting of polysiloxane, perfluoroalkylpolyether (PFPE), fluorinated poly(meth)acrylate, polyalkyl (meth)acrylate,...
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7425288 |
Method 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...
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7279504 |
Expandable vinylaromatic polymers and process for their preparation
Expandable vinylaromatic polymers which comprise: a) a matrix obtained by polymerizing 50-100% by weight of one or more vinylaromatic monomers and 0.50% by weight of a copolymerizable monomer; b)...
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7230037 |
Method 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...
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7114503 |
Process for producing an open celled foam
The invention relates to a foam for purifying and filtrating air, particularly filtrating toxic compounds, such as for instance tar and polycyclic aromatic hydrocarbons (PAHs) from tobacco smoke,...
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7074880 |
Polyimide aerogels, carbon aerogels, and metal carbide aerogels and methods of making same
A preparation process of polyimide aerogels that composed of aromatic dianhydrides and aromatic diamines or a combined aromatic and aliphatic diamines is described. Also descried is a process to...
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7067563 |
Binding agents and binding agent compositions containing alkoxy silyl groups, methods of production and use
A binder which is a graft polymer bearing at least two alkoxysilyl groups of the formula
—Si(R 1 ) m (OR 2 ) 3-m
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7049348 |
Resorbable structure for treating and healing of tissue defects
Devices and processes (e.g., improved Plasticized Melt Flow processes (PMF) or improved Phase Separation Polymer Concentration (PSPC), etc.) used to make resorbable and non-resorbable structures...
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6943200 |
Water unstable foam compositions
The present invention relates to foam components comprising polymeric material and an active ingredient, such as detergent ingredients, which are to be delivered to aqueous environment. Highly...
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6841582 |
Thermoplastic elastomer composition, foam made from the same, and process for producing foam
The present invention relates to a thermoplastic elastomer composition having a three-dimensional network structure which is not formed by a chemical crosslinking and having an excellent elasticity...
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6831113 |
Amine-modified epoxy resin reacted in presence of latent hardener
A method for making a one-component epoxy resin system comprises reacting (A) an epoxy resin and (B) an amine solidifying system present in insufficient quantities to cause gelation in the presence...
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6787580 |
Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom
Prepare a multimodal thermoplastic polymer foam having a distribution of large and small cells in a substantial absence of water by using a blowing agent stabilizer. Multimodal foams of the present...
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6759080 |
Process for making foams by photopolymerization of emulsions
The invention discloses methods for making foams by photopolymerizing emulsions comprising a reactive phase and a phase immiscible with the reactive phase components. Foams made from water-in-oil...
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6723762 |
Foamable vinyl chloride-base resin compositions
There is provided a foamable poly(vinyl chloride) resin composition which can remarkably improve an expansion ratio. There is used a foamable poly(vinyl chloride) resin composition comprising 100...
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6723761 |
Microcellular foaming
A method for forming microcellular foams that causes the material to expand uniaxially during the foaming process, and a method for forming objects from the foam. Liquid crystal polymers or...
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6706773 |
Process for preparing a foam component
The present invention relates to a process for preparing a foam component, said process comprises the steps of extruding a viscous mixture from a rotating extrusion plate onto a receiving surface....
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6677040 |
Expanded polypropylene particles
The invention relates to expanded polypropylene beads having a density of from 5 to 200 g/l and a bead diameter of from 1 to 10 mm which comprise from 0.002 to 20% by weight of graphite particles.
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6632850 |
Microporous materials and methods of making the same
Microporous materials and articles are disclosed. The microporous materials contain a crystallizable propylene-containing polymer, a beta-nucleating agent, and a diluent that is miscible with the...
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6630167 |
Hyaluronic acid anti-adhesion barrier
Methods of forming crosslinked hyaluronic acid anti-adhesion barriers, crosslinked hyaluronic acid anti-adhesions barriers, methods for preventing or inhibiting adhesions, and methods of promoting...
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6596124 |
Forming process for cellulose paper based honeycomb structures
A method of forming a cellular material or “core” by immersing the core in water until it is sufficiently flexible to be molded around a tool into the required shape and then drying the formed...
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6593450 |
2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers
The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two...
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6586501 |
Aggregates having attached polymer groups and polymer foams
An aggregate having attached at least one type of polymer is described, wherein the aggregate comprises at least one carbon phase and at least one silicon-containing species phase. Other aggregates...
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6555638 |
Production of water-expandable styrene polymers
A process for the preparation of styrene polymers containing water as the sole expanding agent by polymerization of styrene in aqueous suspension in the presence of an amphiphilic organic...
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6548562 |
Foamed thermo-elastic article
Foamed thermoplastic polyolefin elastomer is formed by heating a foamable thermoplastic polyolefin elastomer-containing polymeric composition containing each of a first water-releasing blowing...
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6545062 |
Production of water-expandable styrene polymers
The invention relates to a process for the production of styrene polymers containing water as expanding agent by suspension polymerization of styrene in the presence of an emulsifying auxiliary,...
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6451866 |
Spongy rubber body
Disclosed is a spongy rubber body or, in particular, spongy silicone rubber body useful for forming the semiconductive rubber layer of a rubber roller in photocopying machines and the like as well...
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6451348 |
Method of manufacturing porous matrix-type controlled release systems using emulsion technique
A method of manufacturing a porous matrix-type drug delivery system is provided. It comprises the steps of: dispersing, stirring, and emulsifying an aqueous solution of a drug in an organic solvent...
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6444714 |
Method for producing expandable polystyrene particles
A process for preparing expandable particulate styrene polymers wherein from 5 to 50% by weight of expanded graphite and also, if desired, from 2 to 20% by weight of a phosphorus compound, are...
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6420442 |
Flame-proofed polystyrene foamed materials
Flame-retardant foam slabs are based on styrene polymers wherein from 1 to 12% by weight of expanded graphite and also, if desired, from 1 to 12% by weight of a phosphorus compound are present as...
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6403222 |
Wax-modified thermosettable compositions
Waxes, particularly paraffin and microcrystalline waxes, can act as corrosion inhibitors when added at low levels to compositions based on thermosettable resins such as epoxy resins. When such...
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6387968 |
Method for producing water expandable styrene polymers
The invention relates to a process for preparing styrene polymers which comprise water as sole blowing agent, by polymerizing styrene in aqueous suspension in the presence of from 0.1 to 15% by...
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6384094 |
Method for producing expandable styrene polymers containing exfoliated graphite particles
The invention relates to a process for the preparation of expandable able styrene polymers containing particles of graphite by polymerization merization of styrene in aqueous suspension in the...
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6355699 |
Process for manufacturing biomedical foams
The present invention provides an improved lyophilization process for forming biocompatible foam structures. The process allows the foam structures to be tailored for specific end uses. The foams...
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6316512 |
Silane-grafted materials for solid and foam applications
New cross-linked polymeric foam compositions, and methods for making the same, are provided. The new compositions utilize novel cross-linked polyolefin copolymers and show improvements in strength,...
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6310109 |
Process for the preparation of polymer particles
The invention relates to a process for preparing styrene polymers comprising water as sole blowing agent, by polymerizing styrene in aqueous suspension. The polymerization is carried out in the...
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6300385 |
Organic porous material
The present invention provides an organic porous material having equivalent thermal insulating properties to those of a porous material of a silica material and improved brittleness. The organic...
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6299809 |
Method and composition for making foamed polyethylene material
Method and composition for making an expanded polyethylene material by forming a foamable melt of polyethylene, a nucleating agent, a material which retards migration of alkanes, and a blowing...
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6278021 |
Reduced particle-size urea
A process for producing an urea preparation of reduced particle-size and narrow particle-size distribution by using an air milling process is provided. Also provided is an urea preparation of...
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6258864 |
Polymer foam containing chemically modified carbonaceous filler
Polymer foam compositions comprise polymer foam and chemically modified carbonaceous filler, specifically, carbonaceous filler having polymer moieties chemically bonded to the carbonaceous...
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6232354 |
Microcellular polymer foams and method for their production
An environmentally friendly, commercially practicable process for the production of microcellular polymer foams from amorphous, semi-crystalline and crystalline polymers that comprises...
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6225367 |
Polymers
The present invention relates to polymers comprising one or more perfluoroalkylpolyether units and one or more different charged units, to a process for producing such polymers in non-porous or...
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6225364 |
Foams comprising HFC-134 and a low solubility co-blowing agent and a process for making
Disclosed is an extruded, dimensionally stable, closed cell alkenyl aromatic polymer foam. The foam comprises an alkenyl aromatic polymer material greater than 50 percent by weight of alkenyl...
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6221924 |
Biodegradable cellulose acetate foam and process for its production
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6194477 |
Method of making honeycomb panel structures
Expanded cellular structures are formed from dense nonporous cellulose paper with an air permeance of less than 30 ml/min which cellular structure is provided with a shape retention of at least...
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6184261 |
Water-resistant degradable foam and method of making the same
A foam that is the extrudate of a mixture of a biodegradable polymer, starch, talc, and a blowing agent is provided. This foam is made by extruding a mixture of the above-listed components. This...
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6171532 |
Method of stabilizing sintered foam and of producing open-cell sintered foam parts
In a process for stabilizing a foamed starting slip material, the starting slip material which is foamed comprises the following constituents: a. inorganic sinterable material, b. a source of...
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6146892 |
Fibrillar matrices
Methods and compositions are described that provide three-dimensional fibrillar matrices useful as, among other things, structural prosthetics and scaffolds for cells. The porous fibrillar matrices...
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6130265 |
Method for producing expandable styrene polymers containing graphite particles
In a process for preparing expandable styrene polymers containing graphite particles, styrene is polymerized in aqueous suspension in the presence of graphite particles.
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