Matches 1 - 50 out of 174 1 2 3 4 >
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7470385 Process for producing cellulose acylate film  
A cellulose acylate film is produced by using a cellulose acylate solution and forming a film consisting of two or more layers by the co-casting method. The cellulose acylate to be used is selected...
7470384 Method of producing of cellulose ester film  
In order to produce a cellulose ester film constructed of a front layer, an intermediate layer and a rear layer, a dope solution is doped on a supporter. In at least one of the front layer and the...
7462306 Cellulose acylate film, process for producing cellulose acylate film, polarizing plate and liquid crystal display device  
A cellulose acylate film that has: an in-plane retardation Re and a retardation Rth in a thickness direction at a wavelength of 590 nm, which are satisfied with ranges of expressions (I) to (III);...
7455801 Method of producing film  
The method of producing a film includes the steps of: casting a dope prepared by dissolving a macromolecular material in a solvent on a casting band; stripping the cast dope from the casting band...
7425292 Thin film with non-self-aggregating uniform heterogeneity and drug delivery systems made therefrom  
The invention relates to the film products and methods of their preparation that demonstrate a non-self-aggregating uniform heterogeneity. Desirably the films disintegrate in water and may be...
7410605 Solution film-forming method  
The solution film-forming method is provided in which the absolute filtration accuracy for a cellulose acylat solution can be improved and filtration throughput can be increased without reducing...
7399440 Cellulose ester film and its manufacturing method  
Disclosed is a cellulose ester film having a dry thickness of 20 to 60 μm, wherein the cellulose ester film is manufactured according to a solution cast film manufacture process comprising the...
7361295 Solvent casting process  
A process for solvent casting including, casting a dope from a casting die onto a casting support, drying the cast dope on the casting support to form film, stripping off the film from the casting...
7351365 Solution film-forming method, protective film of polarizing plate, optical functional film, polarizing plate, and liquid crystal display device  
A solution film-forming method for obtaining the polymer film includes discharging a pressurized polymer solution having a specific temperature from a casting die, casting the polymer solution on a...
7125504 Optical switch microfilms  
A method of making a light diffusing microfilm, includes providing a carrier substrate; coating a coating fluid onto the carrier substrate; drying the coating fluid on the carrier substrate to form...
7083752 Cellulose acetate films prepared by coating methods  
A method of film fabrication is taught that uses a coating and drying apparatus to fabricate resin films suitable for optical applications. In particular, cellulose acetate films are prepared by...
7070719 Cellulose ester film, production method of the same, film employed in liquid crystal display member, and polarizing plate  
A film employed in a liquid crystal display member is disclosed. The film has film thickness of 20 to 60 μm and variation in the film thickness within ±3.0 percent of the standard film thickness.
7060214 Polymer resin film and its production  
In the transparent film of optical application or the support for photographic material produced by a solution film forming method, the polymer resin film on which any coating unevenness does not...
6913724 Solvent casting process and apparatus therefor  
A process and apparatus for solvent casting which comprises, casting a polymer solution onto a casting support, cooling the polymer solution to gelatinize on the casting support to form web,...
6887415 Production method of cellulose film, cellulose film, protective film for polarizing plate, optical functional film, polarizing plate, and liquid crystal display  
A production method of cellulose film wherein cellulose film is produced by preparing a polymer solution through dissolving cellulose ester in a solvent containing a prescribed organic solvent as...
6814914 Cellulose ester film, its manufacturing method, optical retardation film, optical compensation sheet, elliptic polarizing plate, and image display  
A manufacturing method of a cellulose ester film satisfying the relationships, Nx>Ny>Nz, and 0.8≦R t /R 0 ≦3.5, the method comprising casting a cellulose ester dope containing a solvent...
6767500 Film formation method capable of preventing fluctuation of ribbon  
A film is formed by casting a ribbon on a support from a flow cast die while pulling said ribbon toward said support by providing a decompression area. The decompression area is divided into a...
6599458 Cellulose triacetate film and process for producing the same  
A cellulose triacetate film having a film thickness from 115 to 135 μm and a Z value of 0.3 or less wherein the Z value is a slope (g/° C.) obtained by plotting tear strength against temperature...
6582645 Method for producing cellulose acylate film  
A method for producing a cellulose acylate film is disclosed. The method comprises the steps of, casting dope containing cellulose acylate on a surface of a metal support, peeling off a web formed...
6139785 Cellulose ester composition  
The present invention provides a cellulose ester composition, containing 1 to 99% by weight of cellulose triacetate prepared by substituting hydroxyl groups of cellulose with acetyl and having a...
6054510 Biodegradable formed article  
Compositions of the invention include a hydroxy-functional polyester and a natural polymer. Articles can be made from such a composition so as to have sufficiently strong tensile strengths as to...
6036913 Cellulose ester film manufacturing method  
Disclosed is a method of manufacturing a cellulose ester film, the method comprising the steps of dissolving a cellulose ester and a plasticizer in a solvent containing a cyclic diether solvent to...
5882565 Barrier material comprising a thermoplastic and a compatible cyclodextrin derivative  
A barrier film composition can comprise a thermoplastic web comprising a thermoplastic polymer and a dispersed cyclodextrin composition having substituents that compatibilize the cyclodextrin in...
5800761 Method of making an interface layer for stacked lamination sizing and sintering  
An interface layer for separating first and second microelectronic ceramic substrates during firing includes a thermally degradable binder, preferably a polymer, that degrades at temperatures above...
5695694 Method of producing an acylated cellulose film  
An acylated cellulose film having a high optical isotropy and uniformity is produced by dissolving an acylated cellulose in a solvent substantially free from water and including, as a principal...
5690996 Cross-linked cellulose sponge  
A cross-linked flexible sponge absorbent medium containing substantially uniformly distributed fibrous reinforcement is prepared under such conditions that swelling of the sponge is controlled to a...
5686036 Process for making a cellulose triacetate photographic film base  
The invention provides a method of making a cellulose triacetate photographic film base which comprises providing a casting composition of cellulose triacetate, plasticizer, and solvent having a...
5553835 Method for drying solvent based film  
Solvent based film is produced in an endless belt casting apparatus (10) in which, within initial compartments (46-52), flows of gas are directed through transversely elongated inlet channels (85 i...
5529737 Process for making cellulose triacetate photographic film base  
A method of making a cellulose triacetate photographic film base which includes delivering a dope solution of from 15 to 35 wt % of cellulose triacetate in dichloromethane based on the total weight...
5415752 Process and device for the manufacture of a microporous membrane gel plate and gel cassette  
A method and apparatus for fabricating a microporous-membrane for gel plate separating and transferring macromolecules by electrophoresis, the apparatus comprising a peripheral frame (10) provided...
5393476 Method for producing cellulose ester film  
A method for producing a film or sheet of a cellulose ester such as cellulose triacetate (TAC), cellulose diacetate, or the like, in which a film-forming solution is extruded through the slot of an...
5374304 Special amyloses and their use for producing biodegradable plastics  
The invention relates to special amyloses for producing biodegradable, clear, transparent and flexible plastic, in particular sheets and films, which a) are swellable, but not soluble, in cold...
5314647 Method of making cellulose ester photographic film base  
A method of making cellulose ester photographic film base employing microwave radiation for removing the final portion of solvent present in the film.
5308425 Method of making crosslinked acrylic sheet with enhanced vacuum molding attributes  
A protective film is placed on acrylic sheet. The film has a polyethylene side and an adherent EVA side; it will survive stressful lamination procedures as well as thermoforming, and can be easily...
5188789 Producing a photographic support  
A support for a silver halide photographic material is described as being produced by a process including co-extruding plural dope liquids through a co-flow-extending die having plural manifolds,...
5188788 Process for producing cellulose triacetate films  
A process for producing cellulose triacetate films that is capable of not only suppressing the growth of foreign matter on transport rollers, but also markedly reducing the necessary number of...
5152947 Process for producing cellulose triacetate film  
A cellulose triacetate film excellent in both of the tear strength and the folding endurance can be obtained by casting a cellulose triacetate dope using a solvent mixture of methylene chloride...
4902466 Process for making lipid films suitable for liposomes  
A method for forming lipid films having a substantially uniform thickness and a ratio of the surface area of deposited film to lipid concentration of less than 600 cm 2 per mmole. Using a...
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...
4812445 Starch based encapsulation process  
Virtually any material may be encapsulated in a starch matrix by combining the material with a high temperature-stabilized dispersion of starch, optionally in the presence of salt. The...
4655980 Process of making collagen membranes for medical use  
A process for preparing collagen membranes useful in tissue repair, and wound healing and related membranous implant materials useful in both hard and soft tissue applications is disclosed. The...
4654268 Transparent fire screening panels and their manufacture  
A method for processing intumescent material which forms a layer of a transparent fire-screening panel, which method includes forming a layer containing an aqueous solution of intumescent material...
4643856 Process of making gelled cellulose triacetate product  
Gelled cellulose triacetate products are made by mixing with a solution of the cellulose triacetate an amount of miscible liquid nonsolvent agent insufficient to cause gelling, then cooling the...
4623501 Method and apparatus for coating a substrate  
A coating method and apparatus in which a coating composition is uniformly coated onto a continuously moving web without accumulation of thickened composition in the coating head. Auxiliary supply...
4592885 Film manufacturing method for improved surface smoothness  
A method for manufacturing film without melt fracturing in which a flow of a polymer solution having a high viscosity extruded from a die slit onto a running and spreading plane is extruded through...
4562020 Process for producing self-supporting glucan film  
A continuous process for producing a self-supporting glucan film, comprises casting an aqueous glucan solution on the surface of a corona-treated endless heat-resistant plastic belt, drying the...
4515650 Method for producing large grained semiconductor ribbons  
The present invention provides a method for fabricating large grain semiconductor ribbons suitable for use in solar cells. A molten semiconductor material is discharged onto a rotating cylindrical...
4499043 Process for producing a cellulose ester support  
A process for producing a cellulose ester support is described which comprises producing said support from an organic solvent solution of a cellulose ester containing 30 ppm or less alkaline earth...
4280970 Polyoxyethylene grafted membrane materials with grafting links derived from a diisocyanate  
Membrane forming polymers are converted to hydrophilic polymeric membranes by (a) grafting a polyoxyethylene chain to a membrane forming polymer structure and thereafter forming a membrane; (b)...
4279846 Process for preparing semipermeable membrane having selective permeability  
A semipermeable membrane suitable for the use in an artificial kidney of the filtration type is produced by preparing a solution of cellulose acetate in a solvent mixture consisting essentially of...
Matches 1 - 50 out of 174 1 2 3 4 >