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Class 427/246 - Coagulating or jelling the coating


Subclass of Class 427 - Coating processes
Definition: Processes wherein the coating is a colloidal solution which
No. of patents: 186
Last issue date: 10/14/2008


1          
NumberTitleIssue Date
7435348Pvc hollow filtration membrane and the preparation method thereof
The present invention provides a polyvinyl chloride hollow filtration membrane, which mainly comprises the following components: 30-95 wt. % of polyvinyl chloride and 5-70 wt. % of vinyl chloride-vinyl acetate-maleic anhydride terpolymer, wherein the polymerization ...
10/14/2008
7381441Low metal porous silica dielectric for integral circuit applications
The invention relates to the production of nanoporous silica dielectric films and to semiconductor devices and integrated circuits comprising these improved films. The nanoporous films of the invention are prepared using silicon containing pre-polymers and are prepa...
06/03/2008
7381442Porogens for porous silica dielectric for integral circuit applications
The invention relates to the production of nanoporous silica dielectric films and to semiconductor devices and integrated circuits comprising these improved films. The nanoporous films of the invention are prepared using silicon containing pre-polymers and are prepa...
06/03/2008
7349215Aerogel/PTFE composite insulating material
A material comprising aerogel particles and a polytetrafluoroethylene (PTFE) binder is formed having a thermal conductivity of less than or equal to 25 mW/m K at atmospheric conditions. The material is moldable or formable, having little or no shedding of filler par...
03/25/2008
7326422Dissolvable oxides for biological applications
Controllably dissolvable silica-xerogels prepared via sol-gel process and their use. A delivery device including controllably dissolvable silica-xerogel into which structure a biologically active agent is incorporated. Pharmaceutical preparations including this devi...
02/05/2008
7311832Adsorption membranes, method of producing same and equipment, including the adsorption membranes
The present invention relates to adsorption membranes comprising microporous polymer membranes in which adsorbent particles are incorporated. Furthermore, the present invention relates to a method of producing the inventive adsorption membranes as well as devices wh...
12/25/2007
7306825Process to make synthetic leather and synthetic leather made therefrom
A synthetic leather is made by a impregnating a non-woven or woven textile with an aqueous polyurethane dispersion comprised of a nonionizable polyurethane and an external stabilizing surfactant. The impregnated textile is then exposed to water containing a coagulan...
12/11/2007
7303675Blister protection for spiral wound elements
A method for preventing osmotic blistering in spirally-wound elements of semipermeable membrane sheet material (14) by applying an effective coating of a sealant (41, 43, 45) to the upstream surface of such membrane material in regions where such poten...
12/04/2007
7238311Aerogel/PTFE composite insulating material
A material comprising aerogel particles and a polytetrafluoroethylene (PTFE) binder is formed having a thermal conductivity of less than or equal to 25 mW/m K at atmospheric conditions. The material is moldable or formable, having little or no shedding of filler par...
07/03/2007
7229665Process of forming multilayered structures
The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath ...
06/12/2007
7226969Aerogel/PTFE composite insulating material
A material comprising aerogel particles and a polytetrafluoroethylene (PTFE) binder is formed having a thermal conductivity of less than or equal to 25 mW/m K at atmospheric conditions. The material is moldable or formable, having little or no shedding of filler par...
06/05/2007
7223342Adsorption membranes, method of producing same and equipment, including the adsorption membranes
The present invention relates to adsorption membranes, comprising microporous polymer membranes into which are incorporated porous silicon dioxide particles modified with hydrocarbon ligands having 2 to 24 carbon atoms as adsorbent particles. Furthermore, the presen...
05/29/2007
7216509Sol-gel process for the production of high dimensions dry gels and derived glasses
It is described a sol-gel process that allows to obtain dry gels, and possibly the corresponding dense glassy bodies, having higher dimensions compared to similar known processes. ...
05/15/2007
7193010Aqueous resin composition, and method of manufacturing a separable fastener using this composition
An aqueous resin composition satisfying the following criteria (I)–(III). (I) The aqueous resin composition contains (a) an aqueous dispersion of a polyurethane resin obtained from a macromolecular polyol, organic polyisocyanate, chain extending agent and 2,2-dime...
03/20/2007
7153754Methods for forming porous insulators from “void” creating materials and structures and semiconductor devices including same
Methods for forming porous insulative materials for use in forming dielectric structures of semiconductor devices are disclosed. Each insulative material may include a first, substantially nonporous state and a second, porous state. When in the first state, the insu...
12/26/2006
7132024Artificial leather composite reinforced with ultramicrofiber nonwoven fabric
A method for manufacturing an artificial leather comprises the following steps. First, ultramicrofiber-forming fibers having an islands-in-sea type cross-sectional configuration are formed by blend spinning or conjugate spinning. Secondly, a porous reinforcement she...
11/07/2006
7118801Aerogel/PTFE composite insulating material
A material comprising aerogel particles and a polytetrafluoroethylene (PTFE) binder is formed having a thermal conductivity of less than or equal to 25 mW/m K at atmospheric conditions. The material is moldable or formable, having little or no shedding of filler par...
10/10/2006
7115524Methods of processing a semiconductor substrate
The invention includes methods of processing semiconductor substrates. In one implementation, a semiconductor substrate is provided which has an outer surface. Such surface has a peripheral region received about a peripheral edge of the semiconductor substrate. A la...
10/03/2006
7101593Method for producing a disk-shaped substrate and method for producing an optical disk
A method for producing a disk-shaped substrate 10 used for producing an optical disk includes: (a) forming a protective layer 12a that is larger in area than the disk-shaped substrate 10 on a surface of a transparent plate 11a
09/05/2006
7090554Fabrication of flat-panel display having spacer with rough face for inhibiting secondary electron escape
A flat-panel display is fabricated by a process in which a spacer (24) having a rough face (54 or 56) is positioned between a pair of plate structure (20 and 22). When electrons strike the spacer, the roughness in the spacer's face...
08/15/2006
7081273Method for producing defect free composite membranes
A defect free semipermeable composite membrane having excellent integrity and high water permeability is provided. Said composite membrane comprises an inside support layer to provide sufficient mechanical strength; an outside barrier layer to provide selective sepa...
07/25/2006
7056458Non-thrombogenic semipermeable membrane and method for making same
The invention concerns a non-thrombogenic semipermeable membrane comprising a support semipermeable membrane and an anticoagulant suitable for treating blood and plasma by extracorporeal circulation. The invention is characterized in that: the support membrane is ma...
06/06/2006
7055756Deposition fabrication using inkjet technology
A method of fabricating an RFID antenna, the method comprising: (a) depositing a slurry upon a substrate in a predetermined pattern, the substrate including a plurality of micropores operative to drain a fluid component of the slurry from the surface of the substrat...
06/06/2006
7042148Field emission display having reduced power requirements and method
A field emission display includes a substrate and a plurality of emitters formed on columns on the substrate. The display also includes a porous dielectric layer formed on the substrate and the columns. The porous dielectric layer has an opening formed about each of...
05/09/2006
6967172Colloidal silica composite films for premetal dielectric applications
A colloidal suspension of nanoparticles composed of a dense material dispersed in a solvent is used in forming a gap-filling dielectric material with low thermal shrinkage. The dielectric material is particularly useful for pre-metal dielectric and shallow trench is...
11/22/2005
6960327Methods for removing organic compounds from nano-composite materials
The present invention provides methods for selectively removing organic compound from a nano-composite material which comprises the organic compound that is dispersed within a solid inorganic compound structure. In particular, methods of the present invention compri...
11/01/2005
6953375Manufacturing method of a field emission display having porous silicon dioxide insulating layer
A field emission display includes a substrate and a plurality of emitters formed on columns on the substrate. The display also includes a porous dielectric layer formed on the substrate and the columns. The porous dielectric layer has an opening formed about each of...
10/11/2005
6921508Method for the production of microfibrous suede-finish non-woven fabric without using organic solvents
A method of preparation of microfibrous non-woven fabric of the suede-finish type comprising the steps of: spinning of a bi-component fiber of the “islands in the sea” type in which the “island” comprises a polymer chosen from among those employed in textile...
07/26/2005
6827986Grafted polymer electrolyte membrane, method of producing a grafted polymer electrolyte membrane, and fuel cell comprising the same
The present invention is a grafted polymer electrolyte membrane prepared by first preparing a precursor membrane comprising a polymer which is capable of being graft polymerized, exposing the surface of the precursor membrane to a plasma in an oxidative atmosphere, ...
12/07/2004
6656527Method and device for producing aerogels
A method of producing an aerogel layer on a substrate is described. A precursor mixture is provided by mixing at least one material selected from the group consisting of silicates, metal alcolates, aluminates and borates with a solvent. The precursor mixt...
12/02/2003
6620458Method to produce alumina aerogels having porosities greater than 80 percent
A two-step method for producing monolithic alumina aerogels having porosities of greater than 80 percent. Very strong, very low density alumina aerogel monoliths are prepared using the two-step sol-gel process. The method of preparing pure alumina aerogel...
09/16/2003
6541528Flexible polymer foams, their production and use
Flexible polyurethane, polyacrylic and polybutadiene foams can be obtained with cyclopentane as a blowing agent and are useful as coatings for leather or leather substitutes....
04/01/2003
6534123Recording material for ink jet printing and method for making the same
A recording material suitable for ink jet printing, and a method for making the same. The recording material includes a dye-receiving layer, a support layer, and one or more microporous membrane layers. The microporous membrane layer(s) can be interposed ...
03/18/2003
6479153Process for producing a leather-like sheet
A leather-like sheet is prepared by impregnating a fibrous substrate, which may comprise a microfine fiber-forming fiber, with a thermally gellable composite resin emulsion obtained by emulsion-polymerizing an ethylenically unsaturated monomer (B) in the ...
11/12/2002
6464742Floating air breathing power source (FABPS)
An air breathing power source is mounted in a water impervious housing with a hydrophobic membrane across an opening in its top surface. The housing is secured by flexible straps over a users shoulders so that it is normally carried across the users back,...
10/15/2002
6440489Moisture exchanging element and a method of its manufacture
The invention relates to a bacteriostatic dehumidifying element that includes additives which inhibit the growth of microorganisms. The dehumidifying element is produced by a method that comprises the steps of: a) providing a piece of paper, such as facing pap...
08/27/2002
6410084Porous membrane structure and method
A method of treating a membrane (16) comprises the steps of providing a membrane (16) with a structure of node (22) and fibrils (24). Surfaces of the nodes (22) and fibrils (24) define a plurality of pores (26) extending through the membrane (16). The mem...
06/25/2002
6322851Manufacturing process for leather-like sheet
In a process for making a leather-like sheet by impregnating a fibrous substrate with a polyurethane emulsion, heat gellable polyurethane emulsion having a specific modulus of elasticity is employed as the polyurethane emulsion, and either of following me...
11/27/2001
6318124Nanoporous silica treated with siloxane polymers for ULSI applications
A surface-coated nanoporous silica dielectric film that is prepared by a process comprising the steps of forming a nanoporous silica dielectric coating on a substrate, and coating the formed nanoporous silica dielectric film with a coating composition com...
11/20/2001
6280791Process of making a three-region reinforced microporous filtration membrane
A process for making a reinforced, continuous, geometrically symmetrical microporous filtration membrane comprising a porous support material and a continuous microporous membrane having a middle region disposed between an upper region and a lower region,...
08/28/2001
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