U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 264/1.6 - Continuous or indefinite length


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes directed to the shaping or treating of an optical
No. of patents: 162
Last issue date: 04/17/2012


1          
NumberTitleIssue Date
8158039Method for producing optical film
A method for producing an optical film is disclosed. A cellulose ester, a sugar ester prepared by esterification of a sugar compound formed by 1 to 12 of structures selected by a furanose structure and a pyranose structure and an acryl type polymer having a weight a...
04/17/2012
8110128Method of manufacturing an anti-glare anti-reflection film
Disclosed is an anti-glare anti-reflection film having a low haze and reduced in unevenness and dazzle. The film contains a thermoplastic resin film and at least a hard coat layer and an anti-reflection layer provided on a first surface of the thermoplastic resin fi...
02/07/2012
8012384Polarizing plate protective film and manufacturing method for the same
A method for manufacturing a polarizing plate protective film including the steps of: 1) mixing a cellulose ester resin and an organic additive to obtain a mixing composition, 2) placing the mixing composition in a mold to obtain an integral molding, and 3) heating ...
09/06/2011
7927521Method for producing cellulose acylate film and optical compensation film for liquid crystal display plate produced by using the method
According to the present invention, a cellulose acylate film having high thickness precision and no streaks can be formed by producing a film with a cellulose acylate resin by means of the polishing roller method, and a high-performance optical film, which is free f...
04/19/2011
7919021Method for producing optical sheet
The present invention aims at providing a manufacturing method for an optical sheet capable of manufacturing a thin optical sheet of a uniform thickness distribution with a high thickness accuracy, and high shaping/transferring performances, and an optical sheet man...
04/05/2011
7854864Method for manufacturing an optical film having a convexoconcave structure
A manufacturing method of an optical film provided with a convexoconcave structure, comprises the steps of: coating a resin solution including a first resin solved by a solvent onto an endless or roll-like mold provided with a convexoconcave structure, and forming a...
12/21/2010
7803292Optical film, optical film manufacturing method and optical film manufacturing device
An optical film producing method, comprises steps of: extruding a melted material including a melted cellulose ester resin from a casting die by using an extruding device; forming a film by pressing the extruded melted material between a first rotating member and a ...
09/28/2010
7749411Optical film and production method of the same
A method of producing an optical film comprising the step of: stretching a continuous resinous film by apply tension to a transverse direction of the resinous film while conveying the resinous film, wherein the stretching is carried out with a stretching apparatus c...
07/06/2010
7678300Optical film manufacturing method and apparatus
An optical film manufacturing method, comprising steps of: forming a film by casting a liquid-state resin; embossing both ends of the formed film in a lateral direction of the film so as to form embossed sections for conveying the film; conveying the film having the...
03/16/2010
7597826Manufacture of transparent mirrored micro-balls for solar energy concentration and optical functions
Method and apparatus are presented for mass production manufacturing of micro-mirrored balls for solar energy and related applications such as optical switches, etc. For these applications it is imperative to provide accurate specular reflection from the mirror. The...
10/06/2009
7442330Method and apparatus of manufacturing reflector
A method and an apparatus of manufacturing a reflector which productivity is excellent, the photosensitive resin layer is not changed during the period from a transferring step to an ultraviolet ray irradiating step, and post-process such as a fine hole forming step...
10/28/2008
7427371Method of producing anti-glare film
An antiglare film producing method of film production by surface embossing to polymer film is provided. The polymer film includes a support of triacetyl cellulose, and an anti-reflection layer overlaid thereon. An embossing roller is used for surface embossing to a ...
09/23/2008
7410604Method of making retroreflective sheeting and slot die apparatus
The invention relates to a method of making retroreflective sheeting and other articles prepared from casting a fluid synthetic resin onto a tool having a microstructured surface with a slot die apparatus. The invention further relates to a slot die apparatus. ...
08/12/2008
7364918Colorimetric sensors constructed of diacetylene materials
Colorimetric sensors comprising a receptor incorporated within polydiacetylene assemblies to form a transducer capable of indicating a color change when contacted with an analyte are disclosed. Methods of using the colorimetric sensor and a kit for the colorimetric ...
04/29/2008
7357864Microfluidic device
The object of the present invention is to provide a production process of a microfluidic device in which a porous resin layer, which is capable of optimally fixing a large amount of enzyme, antigen or other protein or catalyst on the inner surface of a minute channe...
04/15/2008
7328502Apparatus for making circuitized substrates in a continuous manner
Apparatus for making circuitized substrates using a continuous roll format in which layers of conductor and dielectric are fed into the apparatus, bonded, and passed on to other nearby work stations in which various processes such as hole formation, circuitization a...
02/12/2008
7311399Method of making a thermoplastic-based article and a thermoplastic-based article made thereby
An article, such as a lens article (10, 10′, 10″, 100) containing a first component, e.g., a filter (14, 14′), or component thereof, having a minimum degradation temperature, and a second component, e.g., a substrate (22, 22′), comprisin...
12/25/2007
7285332Laminate roll
A wound laminate obtained by laminating a plastic film composed of an aromatic polycarbonate comprising bisphenol A as an aromatic dihydroxy component, and a protective film composed of an aromatic polyester, using an intervening adhesive having a weak adhesive stre...
10/23/2007
7252492Devices and methods for aligning a stamp and a substrate
There is provided a device for transferring a pattern from a stamp to a substrate, provided with a moldable film, by pressing the stamp and the substrate against each other. The device comprises at least one fixture for retaining a planar object such as the stamp or...
08/07/2007
7250122Differentially cured materials and process for forming same
A structure includes a layer which includes a first cured portion and a second cured portion which are formed from a same light curable material. The first cured portion is cured to a first amount, and the second cured portion is cured to a second amount. The first ...
07/31/2007
7223364Detection article having fluid control film
The present invention provides a detection article including at least one fluid control film layer having at least one microstructured major surface with a plurality of microchannels therein. The microchannels are configured for uninterrupted fluid flow of a fluid s...
05/29/2007
7201881Actuator for deformable valves in a microfluidic device, and method
A combination is provided that includes a microfluidic device and a pivoting actuator. Methods of using the combination are also provided. The microfluidic device can include deformable valves that can be opened, for example, by the pivoting actuator. ...
04/10/2007
7168814Retroreflector with controlled divergence made by the method of localized substrate stress
A cube corner array with minute modifications of the dihedral angles of some of the cube corners is produced by introducing a stress or change via the opposite side of the substrate. The array having aberrated elements can be replicated for use in the manufacture of...
01/30/2007
7160033Ferrule for a light guide
A ferrule for a light guide comprises a continuous metal sleeve which has a first tubular section and, at an axial spacing therefrom, a coaxial second tubular section which are connected to one another via an intermediate section, and a first plastic molded part for...
01/09/2007
7135147Closing blade for deformable valve in a microfluidic device and method
A microfluidic manipulation system is provided that includes a blade for manipulating deformable material and at least one movable support that is capable of moving the blade into contact with a microfluidic device including a deformable feature. When the microfluid...
11/14/2006
7128876Microdevice and method for component separation in a fluid
The present invention relates to a microdevice for separating the components of a fluid sample. A cover plate is arranged over the first surface of a substrate, and, in combination with a microchannel formed in the first surface, defines a separation conduit for sep...
10/31/2006
7108681Microstructures for delivering a composition cutaneously to skin
An improved method and apparatus is provided as a system to deliver a composition, preferably a medical or pharmaceutical composition or active, through the stratum corneum of skin, without introducing bleeding or damage to tissue, and absent pain or other trauma. T...
09/19/2006
7105117Manufacturing method for increasing thermal and electrical conductivities of polymers
A method of manufacturing to increase the thermal and electrical conductivity of polymers includes layering a filled polymer with an unfilled polymer to produce a multi-layered system of alternating filled and unfilled polymer layers. The filler material comprises t...
09/12/2006
7094502Methods for transferring holographic images into metal surfaces
A method for impressing holographic images or holograms in the surface of metal objects such as aluminum cans, sheet metal or metal foil. The surfaces of metal shims and print rolls bearing holograms are hardened as by coating them with thin amorphous diamond coatin...
08/22/2006
7070718Method for manufacturing polarizer, polarizer, polarizer plate, and image display
A polarizer comprising polyvinyl alcohol based films stretched at high stretching ratios stably manufactured: a method for manufacturing including a stretching processing process, a dyeing treatment process, and a boron compounds treatment process to a polyvinyl alc...
07/04/2006
7064086Method for producing optical film
The present invention relates to a method for producing an optical film, the optical film having the same molecule length in X-axis, Y-axis and Z-axis orientation, comprising the steps of: stretching the optical film along the X-axis; fixing the length of the optica...
06/20/2006
7053169Polyamide molding compounds for producing optical lenses
The invention relates to new thermoplastically processible transparent polyamide molding materials based on copolyamides containing diamines and dicarboxylic acids with aromatic cores which exhibit a high index of refraction nD20 over 1.59 and ...
05/30/2006
7048879Sheet-form structure of expandable thermoplastic resin, thermoplastic resin foam and methods for manufacturing thereof
A sheet-form structure of expandable thermoplastic resin is provided which is capable of undergoing a pseudo-one-dimensional expansion in its thickness direction and which enables manufacture of thermoplastic resin foams having reduced variations in thickness and we...
05/23/2006
7045558Method of making a high refractive index optical management coating and the coating
A radiation curable composition comprises a heterocyclic acrylate or heterocyclic methacrylate. The composition is curable to make an optical management article such as an optical management coating on a substrate. A method of making an optical management article, c...
05/16/2006
7018573Method for making a modified cube corner retro-reflective screen
This patent discloses methods for modifying cube corner retroreflective patterns by stretching a cube corner retroreflector. Stretching may either permanent through inelastic stretching usually under heat or elastic stretching using a controlled stretching mechanism...
03/28/2006
7011774Composite structural components containing thermotropic liquid crystalline polymer reinforcements for optical fiber cables
A process for producing an optical fiber cable composite structural component, such as reinforcing members, buffer tubes, filler rods, jackets, and slotted cores, is disclosed. The composite structural components are produced by co-extruding a thermotropic liquid cr...
03/14/2006
6982058Method for fabricating three dimensional structures
A method of manufacturing a three dimensional structure. In one embodiment, such structures comprise porous structures suitable for implantation in a host. Such a structure preferably exhibits geometric properties that tend to promote vascularization in the area of ...
01/03/2006
6972103Method and device for producing continuous plastic films, webs and sheets capable of forming optical images
In a method and a device for continuously manufacturing films, webs, and sheets of plastics capable of forming optical images a melted plastic mass, pre-shaped as a sheet, is guided into a roller gap of a calender, the roller gap formed between a shaping engraving c...
12/06/2005
6962669Computerized controller for an eyeglass lens curing apparatus
A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner. ...
11/08/2005
6963007Diacetylenic materials for sensing applications
Diacetylenic materials for the colorimetric detection of an analyte or exposure to certain environmental factors are disclosed as well as the polymerization reaction products of these diacetylenic compounds. ...
11/08/2005
1          
 
Sign InRegister
Username  
Password   
forgot password?