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Class 521/63 - Cellular product-forming process wherein the removable material is present or is produced in situ during the solid polymer formation step


Subclass of Class 521 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the material removed to form the
No. of patents: 310
Last issue date: 05/17/2011


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NumberTitleIssue Date
7943677Method of producing interconnected volumetric porosity in materials
A method to create interconnected porosity in materials that can be poured or injected into a cast. The process allows the arrangement of interconnected volumetric porosity to be directed in materials that are poured or injected into a cast. This process allows a ma...
05/17/2011
7674837Gelled biopolymer based foam
Gelled biopolymer based foams are disclosed. The gelled foams comprise a cross-linked biopolymer, preferably alginate; optionally, a foaming agent such as hydroxy propyl methyl cellulose; and a plasticizer, preferably glycerin sorbitol, or a mixture thereof, that fo...
03/09/2010
7671101Gelled biopolymer based foam
Gelled biopolymer based foams are disclosed. The gelled foams comprise a cross-linked biopolymer, preferably alginate; optionally, a foaming agent such as hydroxy propyl methyl cellulose; and a plasticizer, preferably glycerin sorbitol, or a mixture thereof, that fo...
03/02/2010
7671100Gelled biopolymer based foam
Gelled biopolymer based foams are disclosed. The gelled foams comprise a cross-linked biopolymer, preferably alginate; optionally, a foaming agent such as hydroxy propyl methyl cellulose; and a plasticizer, preferably glycerin sorbitol, or a mixture thereof, that fo...
03/02/2010
7671102Gelled biopolymer based foam
Gelled biopolymer based foams are disclosed. The gelled foams comprise a cross-linked biopolymer, preferably alginate; optionally, a foaming agent such as hydroxy propyl methyl cellulose; and a plasticizer, preferably glycerin sorbitol, or a mixture thereof, that fo...
03/02/2010
7442754Molecular imprinting of small particles, and production of small particles from solid state reactants
Small particles of polymeric material are produced by expansion of a mixture of monomers and a propellant. The size and shape of the particles can be precisely tailored by materials selection and expansion conditions. Particles of 10 nanometers to 100 microns can be...
10/28/2008
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
7393878Method for curing high internal phase emulsions
The present invention is directed to a method for reducing monomer loss during curing of a high internal phase emulsion. The method has the steps of: forming a water-in-oil emulsion, curing the monomer component in the emulsion in a saturated steam environment, and ...
07/01/2008
7350571Methods of preparing and using coated particulates
The present invention involves methods of preparing coated particulates and using such coated particulates in subterranean applications such as production enhancement and sand control. One embodiment of the present invention provides a method of preparing coated par...
04/01/2008
7338202Ultra-high temperature micro-electro-mechanical systems (MEMS)-based sensors
Novel micro electro mechanical systems (MEMS)-based sensors for use in ultra-high temperature environments are disclosed. The MEMS-based sensors are derived from a class of polymer-derived ceramics selected from the group consisting of SiCN, SiBCN and SiAlCN. The ma...
03/04/2008
7334635Methods for fracturing subterranean wells
A method of forming a propped fracture comprising: providing a fracture having a far-well bore area and a near-well bore area; placing first proppant particulates at least partially coated with an adhesive substance; placing a portion of second proppant particulates...
02/26/2008
7334636Methods of creating high-porosity propped fractures using reticulated foam
One embodiment of the prevent invention provides a method of creating a high porosity propped fracture comprising creating a slurry comprising a treatment fluid, proppant particulates, pieces of reticulated foam having cells, and an adhesive substance such that the ...
02/26/2008
7318474Methods and compositions for controlling formation fines and reducing proppant flow-back
Provided herein are methods for controlling the migration of particulates within a portion of a subterranean formation that comprise aqueous tackifying treatment fluids, curable resin compositions, and/or noncurable resin compositions. ...
01/15/2008
7319114Hollow polymer particles, method for preparing hollow polymer particles, porous ceramic filter, and method for preparing porous ceramic filter
Hollow polymer particles are provided to have an average particle diameter of 15 μm or more and 500 μm or less and a 10%-compressive strength of 1.5 MPa or more, and the hollow polymer particle includes a hollow portion in the interior. In addition, a porous ceram...
01/15/2008
7318473Methods relating to maintaining the structural integrity of deviated well bores
Methods of enhancing at least partially the structural integrity of a longitudinal portion of a deviated well bore are provided. The methods include providing a gravel matrix composition; providing a longitudinal portion of a deviated well bore; and placing a suffic...
01/15/2008
7316919Composite materials comprising supported porous gels
This invention relates to a composite material that comprises a support member that has a plurality of pores extending through the support member and, located in the pores of the support member, and filling the pores of the support member, a macroporous cross-linked...
01/08/2008
7312268Water-absorbent carboxyl-containing polymers with low monomer content
A water absorbent polymer with reduced residual monomer content is prepared using silver ions and/or colloidal silver. ...
12/25/2007
7299875Methods for controlling particulate migration
Many methods are provided including methods of stabilizing a portion of a subterranean formation or reducing the production of particulates from a portion of a subterranean formation comprising contacting the portion of the subterranean formation with a pre-flush fl...
11/27/2007
7285578Water-in-oil emulsion composition for forming silicone elastomer porous material
A water-in-oil emulsion composition for forming a silicone elastomer porous material contains a liquid silicone rubber material which forms a silicone elastomer upon curing, a silicone oil material which has a surface activation function, and water. ...
10/23/2007
7281581Methods of hydraulic fracturing and of propping fractures in subterranean formations
A method of propping at least one fracture in a subterranean formation, that comprises forming a plurality of proppant aggregates, each proppant aggregate comprising a binding fluid and a filler material, and introducing the plurality of proppant aggregates into the...
10/16/2007
7273099Methods of stimulating a subterranean formation comprising multiple production intervals
A method of stimulating a production interval adjacent a well bore having a casing disposed therein, that comprises introducing a carrier fluid comprising first particulates into the well bore, packing the first particulates into a plurality of perforations in the c...
09/25/2007
7267171Methods and compositions for stabilizing the surface of a subterranean formation
Methods comprising providing a fracturing fluid comprising proppant particulates at least partially coated with a hardenable resin composition that comprises a hardenable resin component and a hardening agent component, wherein the hardenable resin component compris...
09/11/2007
7268169Silicone elastomer porous body
A substantially closed-cell silicone elastomer porous body includes cells with diameters of 50 μm or less, which occupy 50% or more of all the cells, and has a closed cell rate of 60% or more. ...
09/11/2007
7264052Methods and compositions for consolidating proppant in fractures
Improved methods and compositions for consolidating proppant in subterranean fractures are provided. In certain embodiments, the hardenable resin compositions may be especially suited for consolidating proppant in subterranean fractures having temperatures above abo...
09/04/2007
7264051Methods of using partitioned, coated particulates
Methods of treating a portion of a subterranean formation comprising: providing partitioned, coated particulates that comprise particulates, an adhesive substance, and a partitioning agent, and wherein the adhesive substance comprises an aqueous tackifying agent or ...
09/04/2007
7261156Methods using particulates coated with treatment chemical partitioning agents
Methods of treating a portion of a subterranean formation comprising: providing partitioned, coated particulates that comprise particulates, an adhesive substance, and a partitioning agent, and wherein the partitioning agent comprises a subterranean treatment chemic...
08/28/2007
7255169Methods of creating high porosity propped fractures
Methods of forming a high porosity propped fracture comprising: providing a slurry comprising a fracturing fluid, proppant particulates, and a weighting agent; introducing the slurry into a portion of a fracture within the subterranean formation; and, depositing the...
08/14/2007
7252146Methods for preparing slurries of coated particulates
Methods are provided that include a method of creating a stable slurry of coated particulates wherein the slurry is capable of being stored for at least 2 hours before use comprising the steps of: providing resin coated particulates wherein the resin comprises a res...
08/07/2007
7237609Methods for producing fluids from acidized and consolidated portions of subterranean formations
A method of stimulating and stabilizing an area of a subterranean formation comprising placing an acid fluid into an area of a subterranean formation and allowing the acid to at least partially dissolve a portion of the area of the subterranean formation; placing a ...
07/03/2007
7216711Methods of coating resin and blending resin-coated proppant
A method of consolidating particulates comprising providing a slurry comprising a carrier fluid, a first portion of particulates, and a second portion of particulates wherein the first portion of particulates is at least partially coated with resin or tackifying age...
05/15/2007
7217520Microwell biochip
Microwell biochips (11) are formed from a thin flat plate (13) of polymeric material having a plurality of regularly spaced holes (15) that extend completely therethrough and create microwells. The lower end of each hole is closed by a microporo...
05/15/2007
7211547Resin compositions and methods of using such resin compositions in subterranean applications
The present invention relates to curable, permeable resin compositions and methods of using such compositions. One embodiment of provides a method of creating a resin mass comprising the steps of combining a resin, a hardening agent, a hydrocarbon diluent, a silane ...
05/01/2007
7167354Mesoporous carbons and polymers from hydroxylated benzenes
A mesoporous polymer and method of preparing a mesoporous polymer whose polymerization kinetics are dependent upon pH and whose pore size is controlled by pH and solvent concentration are disclosed. The polymer is optionally pyrolyzed to form a primarily carbonaceou...
01/23/2007
7166362Film-forming composition, production process therefor, and porous insulating film
There are provided a film-forming composition that includes a hydrolysis product and/or a condensation product of a compound having a repeating unit represented by Formula (1) below. (In the formula, at least one o...
01/23/2007
7156194Methods of drilling and consolidating subterranean formation particulate
Improved methods for drilling well bores penetrating producing zones while controlling formation particulates are provided. Some embodiments provide methods of drilling a well bore into a subterranean formation comprising the steps of providing a drilling compositio...
01/02/2007
7148264Method of producing macroporous cross-linked polymer particles
The present invention relates to a method of producing one or more macroporous cross-linked polymer particles, which comprises polymerization and cross-linking of divinyl ether monomers in an inert solvent, in which method the polymerization is free radical initiate...
12/12/2006
7138436Uncrosslinked foams made from emulsions
The invention discloses methods for making uncrosslinked foams by polymerizing emulsions comprising a reactive phase and a phase immiscible with the reactive phase components. Foams made from water-in-oil emulsions, including high internal phase emulsion are disclos...
11/21/2006
7131493Methods of using sealants in multilateral junctions
Methods for the completion of subterranean well bores in a multilateral well system are provided. More particularly, methods are provided for the sealing of junctions between lateral well bores and a parent well bore. The sealants used in accordance with the methods...
11/07/2006
7114570Methods and compositions for stabilizing unconsolidated subterranean formations
Methods of stabilizing subterranean formations and methods of reducing the production of particulates from subterranean formations are provided, which are useful in conjunction with subterranean formations surrounding wellbores and fractures. The methods comprise th...
10/03/2006
7091253Water-absorbent resin, hydropolymer, process for producing them, and uses of them
The present invention provides a production process by which a water-absorbent resin of excellent quality can be obtained at a low cost by reasonable steps in aqueous solution polymerization. The process for producing a water-absorbent resin comprises the step of po...
08/15/2006
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