Patent application number | Description | Published |
20090036304 | THERMOCHROMIC INK AND COATING COMPOSITIONS AND METHODS FOR THERMAL ACTIVATION - A thermochromic ink composition comprises at least one thermochromic optical-state change material, at least one thermally responsive pH modifier, at least one solvent, and at least one binder material, wherein the thermochromic ink composition has a viscosity between about 0.1 centipoise (cPs) and about 10,000 cps, and a maximum optical absorbance in a range from about 200 nm (nanometers) to about 800 nm, and wherein the thermochromic ink composition is capable of transforming from a first optical state to a second optical state upon exposure to a thermal stimulus. The thermochromic ink composition may be used to deposit a thermochromic coating composition which may be used as part of an anti-theft system for optical articles. Methods for thermal activation of the compositions are also provided. | 02-05-2009 |
20090086291 | METHOD OF PRINTING MARKS ON AN OPTICAL ARTICLE - A method of printing comprising, placing a plurality of optically detectable marks on an optical article using a ink-jet printing method, wherein a mark of the plurality of marks has a thickness of less than or equal to about 1 micrometer, and wherein the plurality of optically detectable marks have uniform thickness. | 04-02-2009 |
20090086587 | LIMITED PLAY OPTICAL ARTICLE - An optical article for playback in a player includes a first file comprising a first control logic; and a second file comprising a second control logic. The first file is configured to direct the player to play a first content data stored on the optical article, when the first control logic is read by the player. The player is directed to read the second file if the player cannot read the first file. The second file is configured to direct the player to play a second content data stored on the article when the second control logic is read by the player. The optical article includes a mark containing an optical state change material disposed on at least a portion of the first file, wherein the mark is in one of a first optical state or a second optical state, and wherein the first control logic can be read only when the mark is in the second optical state. | 04-02-2009 |
20090086617 | METHOD OF PRINTING MARKS ON AN OPTICAL ARTICLE - An optical article with a plurality of optically detectable marks on a first surface of the optical article, wherein a mark of the plurality of marks has a thickness of less than or equal to about 1 micrometer, and wherein the plurality of optically detectable marks have uniform thickness. | 04-02-2009 |
20090089821 | LIMITED PLAY OPTICAL ARTICLE - An optical article for playback in a player includes at least one sector comprising a first control logic configured to set the value of a first register, the first register having a default value before it is set, and a non-default value after it is set, and a first command to be read sequentially after the sector. The first command is configured to direct the player to play a first content on the article if the first register is set to the default value and to direct the player to play a second content on the article if the first register is set to the non-default value. The optical article includes a mark containing an optical state change material disposed on the sector, wherein the mark is in one of a first optical state or a second optical state, and wherein the first control logic can be read only when the mark is in the second optical state. | 04-02-2009 |
20090099299 | POLYMER BLEND COMPOSITIONS - Thermoplastic compositions having miscible and compatible immiscible polymer blends are disclosed. The miscible polymer blends have a single glass transition temperature. The compatible polymer blends have two glass transition temperatures. The polymer blends may optionally include one or more fillers. | 04-16-2009 |
20090099300 | METHODS OF MAKING POLYMER BLEND COMPOSITIONS - Methods of making miscible and compatible immiscible polymer blends are disclosed. The polymer blends have a polyimide as a component. The miscible polymer blends have a single glass transition temperature. The compatible polymer blends have two glass transition temperatures. The polymer blends may optionally include one or more fillers. | 04-16-2009 |
20090215620 | ENHANCED SECURITY OF OPTICAL ARTICLE - An optical article comprising a primary mark disposed on the optical article and a secondary mark disposed on the optical article in close proximity to the primary mark. The primary mark comprises a first optical-state change material and the secondary mark comprises a second optical-state change material. The optical article is transformed from a pre-activated state to an activated state when a localized authorized activation method is used that selectively activates the primary mark. The optical article is transformed from a pre-activated state to an deactivated state when a non-localized unauthorized activation method is used that activates the secondary mark along with the primary mark resulting in the second optical-state change material undergoing a reverse color change when compared to the first optical-state change material. An optical article with a single mark including multiple color change optical-state change material is also disclosed. Methods of covering and encapsulating the marks are also disclosed. | 08-27-2009 |
20090245080 | PLAYER-READABLE CODE ON OPTICAL MEDIA - An optical article for playback in a player includes a plurality of optically detectable marks disposed on a surface of the optical article; wherein the plurality of optically detectable marks are in a pre-determined combination of a first state and a second state; and at least one first control logic comprising at least one sector; wherein each optically detectable mark is associated with a particular first control logic; wherein each first control logic is executed only when its associated optically detectable mark is in a pre-determined state; and wherein a customized player-readable code is determined using a combination of the plurality of optically detectable marks and their associated first control logic. A method of making the optical article, a method of customizing the optical article, a method and a system for the playback of the optical article are also included. | 10-01-2009 |
20090249381 | PLAYER-READABLE CODE ON OPTICAL MEDIA - An optical article for playback in a player includes a permanent player-readable code comprising a first set of a plurality of optically-detectable marks disposed on the optical article; a second set of plurality of optically-detectable marks disposed on a surface of the optical article; wherein the plurality of optically-detectable marks are in a pre-determined combination of a first state and a second state; and at least one first control logic comprising at least one sector; wherein each optically detectable mark is associated with a particular first control logic; wherein each first control logic is executed only when its associated optically-detectable mark is in a pre-determined state; wherein a customized player-readable code is determined using a combination of the plurality of optically-detectable marks and their associated first control logic; and wherein the optical article is activated when the customized player-readable code is in a pre-determined relationship with the permanent code. | 10-01-2009 |
20090285074 | ENHANCED SECURITY OF OPTICAL ARTICLE - An optical article comprising a first file encoded on the optical article comprising data structure information; a second file encoded on the optical article comprising a backup of the first file; wherein at least one of the first file or the second file must be fully readable for the player to read the data on the optical article; and a mark disposed on at least a portion of the optical article where the first file is encoded and at least a portion of the optical article where the second file is encoded; wherein the mark comprises an optical state change material; wherein the optical state change material undergoes a change in its optical state when exposed to an activation signal selected from one or more of a laser, thermal energy, infrared rays, X-rays, gamma rays, microwaves, visible light, ultraviolet light, ultrasound waves, radio frequency waves, electrical energy, chemical energy, magnetic energy, and mechanical energy; wherein the optical article is transformed from a pre-activated state to an activated state when an authorized activation method is used; and wherein the optical article is transformed from a pre-activated state to an incorrectly activated state when an unauthorized activation method is used. | 11-19-2009 |
20090285075 | ENHANCED SECURITY OF OPTICAL ARTICLE - An optical article comprising a mark disposed on the optical article; wherein the mark comprises an optical state change material; wherein the optical state change material undergoes a change in its optical state when exposed to an activation signal selected from one or more of a laser, thermal energy, infrared rays, X-rays, gamma rays, microwaves, visible light, ultraviolet light, ultrasound waves, radio frequency waves, electrical energy, chemical energy, magnetic energy, and mechanical energy; wherein the optical article is transformed from a pre-activated state to an activated state when an authorized activation method is used; and wherein the optical article is transformed from a pre-activated state to an incorrectly activated state when an unauthorized activation method is used. A method and a system for changing the functionality of the optical article are also provided. | 11-19-2009 |
20100118674 | SYSTEM AND METHOD FOR COMBINING PRE-MASTERED ERRORS WITH MARKS OR PRINTED SPOTS ON OPTICAL MEDIA - An optical article for playback in a player, the optical article including at least one sector having data, and a mark disposed in a predetermined relationship with the at least one sector, wherein the mark renders a portion of the data generally unreadable. The optical article further includes error correction code associated with the at least one sector, wherein data within the error correction code is configured as partially corrupted. The inclusion of partially corrupted error correction code reduces the size of the mark or spot required to render the data sector uncorrectable. | 05-13-2010 |
20100234493 | THERMALLY RESPONSIVE INK AND COATING COMPOSITIONS - A thermally responsive ink composition consisting of at least one halochromic optical-state change material, at least one base, at least one solvent, and at least one binder material. The pH of the ink composition is such that the halochromic optical-state change material remains in its basic state until it is acted upon by a thermal stimulus. The ink composition is capable of transforming from a first optical state to a second optical state upon a change in pH caused by exposure to a thermal stimulus. A thermally responsive ink composition consisting of at least one quaternary onium salt of an halochromic optical-state change material, at least one solvent, and at least one binder material is also disclosed. Coating compositions prepared using these ink compositions and optical articles comprising these coating compositions are also disclosed. | 09-16-2010 |
20110139345 | METHODS FOR MAKING A HOUSINGLESS HOLLOW FIBER FILTRATION APPARATUS - The invention provides a method of manufacturing a housingless hollow fiber filtration apparatus using batch, continuous, and semi-continuous processes. Also provided is manufacturing methods to increase rigidity of the apparatus. | 06-16-2011 |
20110139723 | DISPOSABLE FLUID PATH SYSTEMS AND METHODS FOR PROCESSING COMPLEX BIOLOGICAL MATERIALS - Disclosed herein is a disposable fluid path for processing complex materials. The disposable fluid path comprises a gravity assisted disposable system for separating a biological sample into two or more distinct submaterials through sedimentation. The fluid path is comprised of a sample delivery conduit and bag-set wherein the bag set comprising a tubing assembly, a separation assembly, and a filter assembly. Methods of using the system are also disclosed. | 06-16-2011 |
20110212314 | METHODS OF PREPARING POLYMER-ORGANOCLAY COMPOSITES AND ARTICLES DERIVED THEREFROM - A method for preparing a polymer-organoclay composite composition comprises combining a solvent and an unexfoliated organoclay to provide a first mixture, wherein the unexfoliated organoclay comprises alternating inorganic silicate layers and organic layers, and has an initial spacing between the silicate layers; exposing the first mixture to an energized condition of a sufficient intensity and duration to increase the initial spacing of the inorganic silicate layers, to provide a second mixture; contacting the second mixture with a polymer composition so that the polymer composition fills at least one region located between at least one pair of silicate layers, wherein the polymer composition is at least partially soluble in the solvent; and removing at least a portion of the solvent from the second mixture, wherein the inorganic silicate layers remain separated by the polymer after removal of the solvent. | 09-01-2011 |
20120147072 | METHOD OF PRINTING MARKS ON AN OPTICAL ARTICLE - A method of printing comprising, placing a plurality of optically detectable marks on an optical article using a ink-jet printing method, wherein a mark of the plurality of marks has a thickness of less than or equal to about 1 micrometer, and wherein the plurality of optically detectable marks have uniform thickness. | 06-14-2012 |
20120190791 | METHODS OF PREPARING POLYMER-ORGANOCLAY COMPOSITES AND ARTICLES DERIVED THEREFROM - A method for preparing a polymer-organoclay composite composition comprises combining a solvent and an unexfoliated organoclay to provide a first mixture, wherein the unexfoliated organoclay comprises alternating inorganic silicate layers and organic layers, and has an initial spacing between the silicate layers; exposing the first mixture to an energized condition of a sufficient intensity and duration to increase the initial spacing of the inorganic silicate layers, to provide a second mixture; contacting the second mixture with a polymer composition so that the polymer composition fills at least one region located between at least one pair of silicate layers, wherein the polymer composition is at least partially soluble in the solvent; and removing at least a portion of the solvent from the second mixture, wherein the inorganic silicate layers remain separated by the polymer after removal of the solvent. | 07-26-2012 |