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7491357 |
Solution casting process and cellulose ester film
In solution casting, dope containing a polymer and a solvent is cast on to a support to form a cast film. The cast film is stripped from the support to obtain a polymer film of cellulose ester, for...
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6951398 |
Deformable reflecting mirrors from metallic surface layers deposited on liquids
The invention relates to a new type of reflective optical element made of a reflective metallic layer comprising reflecting nanoparticles deposited on a liquid surface. Metallic or non-metallic...
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6942830 |
Device and method for the production of three-dimensional objects
A device and a process for producing three-dimensional objects is disclosed. The device has a container ( 1 ) for a medium ( 2 ) and a three-dimensionally positionable dispenser ( 4 ) for release...
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6939489 |
Desktop process for producing dental products by means of 3-dimensional plotting
A process for fabricating dental form pieces for dental restoration and replacement parts is provided and includes the step of applying a material, on a firm support or a fluid medium, by a three...
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6887580 |
Adhesive polyimide resin and adhesive laminate
An adhesive polyimide resin which comprises a siloxane polyimide resin obtained from (A) an aromatic tetracarboxylic dianhydride and (B) a diamine ingredient comprising (B1) a diamine having a...
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6881819 |
Liquid initiator for carrying out anionic lactam polymerization in an accelerated manner, method for the production thereof and its use
The invention relates to a liquid initiator for carrying out anionic lactam polymerization. The liquid initiator contains a conversion product of isocyanate (1) with a protic compound (P) and a...
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6589663 |
Aromatic polyamide film
The aromatic polyamide film of the present invention has microdomain structures having sizes of not less than 5 nm and not more than 600 nm. The film has an easily adhesive property and is suitable...
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6533426 |
Method of centrifugally casting a parabolic membrane mirror having a shape-restorative force
A method for fabricating an optical quality, free-standing, compliant parabolic membrane mirror using an inverted parabolic mandrel created by rotating a liquid confined to a cylindrical polymer...
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6436218 |
Cling films having a microreplicated topography and methods of making and using same
Films having a microreplicated topography are prepared from contacting a microembossed pattern to a layer of film. When an adhesion interface is established between the layer of film and a...
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6413630 |
Decorative film
A decorative film having an excellent decorative effect, excellent three-dimensional curvature emulating properties, three-dimensional curvature formability, long-term weather resistance and stain...
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6277318 |
Method for fabrication of patterned carbon nanotube films
A method for fabricating adherent, patterned carbon nanotube films is provided. According to the invention, a substrate is patterned with a carbide-forming material, a carbon-dissolving material,...
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5733663 |
Composite membrane and process for its production
To produce a composite membrane, the solution of a polymer in a volatile organic solvent is spread on water, the solvent is allowed to evaporate, the polymer is crosslinked and the polymer film...
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5595695 |
Process for preparing matte finish elastomer
An elastomeric article having a matte finish is prepared by curing a hydrolyzable composition under conditions of elevated humidity, or by including short aramid fibers therein. Disclosed herein...
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5573721 |
Use of a support liquid to manufacture three-dimensional objects
A system is provided for producing a three dimensional object from a reactive liquid medium capable of being solidified. The object is constructed from many successive layers of the solidified...
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5478425 |
Method of making a thin film detector with an aerogel layer
The invention is related to electronic and more specifically to photo-electronic devices manufactured by means of thin film layering techniques. The invention proposes the use of polymer,...
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5344597 |
Method and apparatus for making steel sheets
A method and apparatus for forming sheets of a first material, such as a metal, plastic, rubber, or the like, having a primary tank for heating a second molten material and containing the second...
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5264165 |
Process of making polytetramethylene adipamide or nylon 46 membranes
A hydrophilic polytetramethylene adipamide microporous membrane has a narrow pore-size distribution. The membrane is formed by a rapid quench process in a quench bath having solubility parameter...
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5260004 |
Process of making Langmuir-Blodgett films having photo-electronic properties
Langmuir-Blodgett films having photo-electronic properties and methods of making the same. The instant films may be made, for example, by spreading a mixture of one or more types of biotinylated...
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5217670 |
Method of forming monomolecular film and overlaying apparatus thereof
Movable barriers as well as auxiliary movable barriers are provided in a trough filled with a liquid forming a monomolecular film thereon. The barriers are driven with a constant positional...
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5120476 |
Production of objects
Three-dimensional objects are produced by the polymerization of a photopolymerizable liquid medium with the aid of high-energy radiation by continuously introducing the liquid medium in lamina form...
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5106561 |
Method of making film
An ultra-thin, self-assembling molecular film has ordered amphiphilic molecules that are oriented relative to one another in two directions. The improved method of the present application makes it...
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5102686 |
Process for producing a polyacetylene
The present invention provides a process for producing a polyacetylene which is stable even in an atmosphere containing oxygen, by spreading onto the surface of water, which contains Ca-salt, a...
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5064596 |
Process for preparing a slender or thin ceramic green body
A process for preparing a slender or thin ceramic green body, which comprises discharging a raw material slurry comprising a ceramic powder raw material, a binder and a solvent from a discharge...
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5064590 |
Method of forming an ultra-thin nonlinear optical film
A method of producing a nonlinear optical film from a lyotropic liquid crystalline polymer by diluting the polymer with a dopant to form a concentrated mixture. The concentrated mixture is filtered...
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5035763 |
Preparation of thin films
Thin films which contain a defined concentration of dye per unit area and are useful as layer elements, e.g. for optical filters, are prepared by spreading an oleophilic dye which is soluble in an...
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5035762 |
Production of thin films
Thin films are produced by a process in which organic polymers having long-chain side groups are dissolved in an organic solvent, the solution is spread at the water/air interface by the...
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5019303 |
Process for producing polyacetylene
The present invention concerns the fields of processes for producing an organic ultrathin film having polyacetylene linkages and the resultant films. In one embodiment the process for producing the...
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5002707 |
Method for producing superlong conjugated diacetylene polymer
Disclosed in a method for producing polydiacetylene of superhigh molecular weight (i.e., a superlong conjugated polymer) having continuous conjugated bands and a straight chain by spreading an...
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4992385 |
Polymer-coated optical structures and methods of making and using the same
A method of treating the surface of an optical structure which comprises forming on the surface a thin layer of organic polymer using a solvent casting technique. Preferably the process includes...
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4976901 |
Microporous membranes from isotactic polystyrene and syndiotactic polystyrene
This invention relates to novel semi-permeable isotropic or anisotropic microporous membranes fabricated from a mixture of isotactic polystyrene and syndiotactic polystyrene and a method of...
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4966743 |
Process for making ultrathin polymeric imine films
Novel ultrathin unit layers and built-up multilayers of polymeric imine are obtained when a spreadable polyfunctional aldehyde or its precursor, particularly the alkyl Schiff base formed by its...
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4963266 |
Composition and process for separating fluid mixtures
Disclosed are semipermeable fluid separation membranes prepared from polyaromatic polymers including aromatic repeat units of which at least five mole percent are substituted by moieties having...
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4960635 |
Film consisting of one or more monomolecular layers
The film consists of one or more Langmuir-Blodgett layers, the layer containing an organic polymer having long-chain fluoroalkyl side groups or consisting of this compound. The film is...
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4939214 |
Film comprised of at least one monomolecular layer and process for its preparation using a higher alkyl amine
A film comprised of at least one monomolecular layer composed essentially of a polyimide having repeating units of the formula: ##STR1## wherein R 1 is a tetravalent organic group and R 2 is a...
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4929405 |
Ultrathin polyimide polymer flims and their preparation
Disclosed herein are free-standing, pinhole-free, ultrathin polymide films having thicknesses of about 400 angstroms or less and a process to prepare them. The films find particular utility in...
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4927589 |
Method for manufacturing organic thin film
A film manufacturing method which utilizes a trough storing a liquid therein. The liquid surface of the liquid forms a developing region in which a monomolecular film of organic molecules is...
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4925612 |
Method for making a thin film of polymer
A method for making a polymer thin film wherein a first polymer thin film is formed on a support liquid, on which a solution of a second polymer is dropped is described. The first polymer film is...
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4910082 |
Ultrathin polyphenylene oxide polymer films and their preparation
Disclosed herein are free-standing, pinhole-free, ultrathin, polyphenylene oxide films having thicknesses of about 400 angstroms or less and a process for preparing them. The films find particular...
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4910293 |
Langmuir-Blodgett films of polymers having pendent C.sub.10 -C.sub.30 hydrocarbon groups
An amphiphilic high polymer comprises a linear recurring unit containing at least divalent organic group (R 1 ) having at least two carbon atoms, at least divalent organic group (R 2 ) having at...
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4908266 |
Ultrathin cellulose ester polymer films and their preparation
Disclosed herein are pinhole-free, ultrathin, free-standing cellulose ester films having thicknesses of 400 angstroms or less and a process to prepare them. The films find particular utility in...
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4908267 |
Ultrathin polyether sulfone films and their preparation
Disclosed herein are free-standing, pinhole-free, ultrathin polyether sulfone films having thicknesses of about 400 angstroms or less and a process for preparing them. The films find particular...
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4900623 |
Ultrathin polymethylmethacrylate polymer films
Disclosed herein are pinhole-free, ultrathin, polymethylmethacrylate films having thicknesses of about 400 angstroms or less and a process to prepare them. The films find particular utility in...
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4900621 |
Ultrathin blended cellulose nitrate polymer films and their preparation
Disclosed herein are free-standing, pinhole-free, ultrathin, blended, cellulose nitrate films having thicknesses of about 400 angstroms or less and a process to prepare them. The films find...
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4892544 |
Methods for forming hollow, porous-surfaced elastomeric bodies
A method of forming hollow, porous elastomeric bodies and hollow, duo-layered elastomeric bodies wherein one layer is porous and contiguous with the other layer which is solid by (a) coating a...
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4885118 |
Process for manufacturing spherical objects
A process for manufacturing spherical objects which includes the steps of ejecting into a reaction medium layer a predetermined amount of liquid material which form spherical objects and allowing...
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4873033 |
Process for the production of hyperfiltration membranes
The invention relates to a hyperfiltration membrane containing a supporting layer and a separation layer. The membrane is characterized in that the separation layer consists of a crosslinked...
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4868281 |
Ionic bond containing condensation polymers
A polymer has a linear recurring unit in which a first organic group (R 1 ) having at least two carbon atoms and a valence of at least three and a second organic group (R 2 ) having at least two...
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4863765 |
Method of multi-layer coating
A method of simultaneously applying a plurality of liquid coating compositions to a moving web by the method of multi-layer coating; wherein the lowermost layer is comprised of water, with the wet...
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4819057 |
Semiconductor light-emitting element
A semiconductor light-emitting element of a metal/organic film/semiconductor junction structure has a semiconductor layer, and an organic Langmuir-Blodgett thin film formed on the semiconductor...
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4814084 |
Reverse osmosis membrane of cellulosic material
There is provided a method of manufacturing cellulose membranes with pore radii less than 30×10 -10 m, suitable for reverse osmosis applications. The method comprises dissolving a cellulosic...
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