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| Number | Title | Issue Date |
| 8182718 | Ligand exchange thermochromic systems and high ε ligands for same Ligand exchange of thermochromic, LETC, systems exhibiting a reversible change in absorbance of electromagnetic radiation as the temperature of the system is reversibly changed are described. The described LETC systems include one or more than one transition metal i... | 05/22/2012 |
| 8083969 | Thermally-responsive materials and devices comprising such materials Devices are described that include a component comprised of a material having a structure of R1—C(O)—NX—R2, wherein each of R1 and R2 is independently a saturated alkyl having between 7-22 carbon atoms or an aryl, X ... | 12/27/2011 |
| 8012375 | Temperature indicating paint A temperature indicating paint comprises 4 wt % to 40 wt % sodium alumino sulpho silicate, 1 wt % to 38 wt % nickel antimony titanate and the binder comprises 25 wt % to 50 wt % silicone resin 10 wt % to 30 wt % acrylic resin each excluding solvent. This composition... | 09/06/2011 |
| 7943063 | Thermochromic indicator materials with controlled reversibility A thermal indicator material which comprises a plurality of polythiophenes having a second low temperature color and a high temperature color. The polythiophenes are structured and arranged to exhibit a color change from the second low temperature color to the high ... | 05/17/2011 |
| 7875207 | Thermally-responsive materials and devices comprising such materials Devices are described that include a component comprised of a material having a structure of R1—C(O)—NX—R2, wherein each of R1 and R2 is independently a saturated alkyl having between 7-22 carbon atoms or an aryl, X ... | 01/25/2011 |
| 7833438 | Thermofluorescent pigments for security and safety applications The invention is directed to use of polythiophenes in a method to determine the genuineness of an article which method comprises providing an article treated with a composition comprised of a polythiophene, the polythiophene having a low temperature color and a weak... | 11/16/2010 |
| 7531111 | Composition and probe for detection of hydrocarbon mixtures A visual indicating paste for detecting the level of hydrocarbons in a storage container is disclosed. The visual indicating paste is a physical mixture of a non-polar dye, a high molecular weight carrier, a whitening agent and a filler material. ... | 05/12/2009 |
| 7517475 | Thermochromic indicator materials with controlled reversibility A thermal indicator material which comprises a plurality of polythiophenes having a second low temperature color and a high temperature color. The polythiophenes are structured and arranged to exhibit a color change from the second low temperature color to the high ... | 04/14/2009 |
| 7501079 | Irreversible temperature indicating paint An irreversible temperature indicating paint comprises 0.7 wt % to 0.9 wt % toluidine red, 7 wt % to 32 wt % cobalt aluminium spinel and glass, 7 wt % to 32 wt % cobalt chromite spinel, alumina, purple gold and frit, 37 wt % to 41 wt % acrylic resin, 20 wt % to 23 w... | 03/10/2009 |
| 7422903 | Multi-analyte reference solutions The present invention provides a reference solution for use in instruments that determine hematocrit levels in biological samples by measuring the resistance and/or conductivity of the biological samples. A reference solution according to the invention achieves cond... | 09/09/2008 |
| 7416891 | Reagent and method for classifying leucocytes A reagent for classifying leucocytes, including: a) at least one of surfactant selected from a cationic surfactant, an amphoteric surfactant, and the combination thereof; b) an organic compound having phenyl or heterocyclic group, wherein when the surfactant is a ca... | 08/26/2008 |
| 7413905 | Reagents and methods for classifying leukocytes The present invention relates to a reagent for classifying leukocytes including (a) at least one surfactant capable of lysing erythrocytes and partly damaging the cell membrane of leukocytes, (b) at least one organic compound bearing an anionic group capable of bind... | 08/19/2008 |
| 7372780 | Timing system and device and method for making the same A timing device for indicating the passage of a duration of time is disclosed. The timing device in accordance with the embodiments of the invention comprises an electrochemical component that generates a visual and/or audio indication of the passage a duration of t... | 05/13/2008 |
| 7371457 | Nanoparticle comprising nanoshell of thickness less than the bulk electron mean free path of the shell material The present invention is for particulate compositions and methods for producing them that can absorb or scatter electromagnetic radiation. The particles are homogeneous in size and are comprised of a nonconducting inner layer that is surrounded by an electrically co... | 05/13/2008 |
| 7360946 | Time temperature indicators linked to sensory detection A thermal history indicator comprising a temperature sensitive material, a sensing device, a heat insulating material functioning to buffer the temperature sensitive material against temperature change, and an activation means. The triggering of the activation means... | 04/22/2008 |
| 7361513 | Cellular controls for glycated hemoglobin Hb A1c Disclosed are cellular hemoglobin A1c (Hb A1c) normal and abnormal (high) controls for use in detecting Hb A1c levels. The present invention also relates to methods for generating cellular Hb A1c controls using red blood cells and methods for using the cellular cont... | 04/22/2008 |
| 7341757 | Polymer nanotechnology Size-confined nanocomposite powders and methods for their manufacture are provided by coating fine powders with a nanoscale powder of a different composition. The nanocomposite plastics offer performance characteristics approaching those of metals and alloys. The na... | 03/11/2008 |
| 7314582 | Lanthanide-halide based humidity indicators The present invention discloses a lanthanide-halide based humidity indicator and method of producing such indicator. The color of the present invention indicates the humidity of an atmosphere to which it is exposed. For example, impregnating an adsorbent support suc... | 01/01/2008 |
| 7306950 | Composition and use of substances for stabilising amino acids containing sulphur The invention relates to a composition for the stabilization of sulphur-containing amino acids and/or for the inhibition of the continuous formation of sulphur-containing amino acids in withdrawn blood, to the use of suitable substances and compositions therefor as ... | 12/11/2007 |
| 7302846 | Temperature-sensing device for determining the level of a fluid The present invention deals with determining the level of fluid in a container. Typically, a beverage container containing a liquid will absorb heat energy from the surrounding environment at a greater rate than a gaseous component in the headspace of the beverage c... | 12/04/2007 |
| 7304008 | Thermochromic material Thermochromic material comprising a thermochromic component and a binder, wherein the thermochromic component is crystal phases based on oxides of heavy metals of I, II, III, IV, V, VI, VII, VIII groups of the Periodic System selected from the group consisting of co... | 12/04/2007 |
| 7303920 | Staining reagent for staining hematology samples in an automated staining apparatus Automated staining equipment that can mix reagents is used to spray a Romanowsky stain onto slide mounted specimens which are then briefly centrifuged. The centrifugation step removes excess stain leaving only a thin film. Depending on the time of the centrifugation... | 12/04/2007 |
| 7304021 | Color changing paint and varnish remover A color change paint and varnish removal formulation is provided. The formulation comprises: at least one penetrant, at least one carrier and at least one colorant whereby the formulation is applied to the target area and as the surface of the formulation dries, the... | 12/04/2007 |
| 7304300 | Infrared tag and track technique A method of covertly tagging an object for later tracking includes providing a material capable of at least one of being applied to the object and being included in the object, which material includes deuterium; and performing at least one of applying the material t... | 12/04/2007 |
| 7297545 | Clinical method for the genetic screening of newborns using tandem mass spectrometry and internal standards therefor A method for screening newborns using electrospray tandem mass spectrometry. The method improves the current protocols that use tandem mass spectrometry by assuring accurate and consistent results at the clinical level through enhanced quality controls and quality a... | 11/20/2007 |
| 7294379 | Color changing device for time indicating label and methods of making and using the same The present invention relates to the present invention relates to a time indicating label comprising (a) a label substrate having a first and second surface, (b) an acid-base indicator composition, and (c) an activator composition, wherein one of (b) or (c) are on t... | 11/13/2007 |
| 7294512 | Solution for calibrating a chemical analyzer for alcohol, carbonate and ammonia assays A multi-analyte calibration solution having known amounts of sodium carbonate, ammonium bicarbonate, and ethyl alcohol, with pH adjusted within a range between about 7.8 and 8.4. ... | 11/13/2007 |
| 7288320 | Microstructured taggant particles, applications and methods of making the same Microstructured taggant particles, their applications and methods of making the same are described. Precisely formed taggant particles can be formed, in the range of 500μ and smaller, from either inert polymers or biodegradable materials bearing information indicia... | 10/30/2007 |
| 7287485 | Temperature activated systems A shape memory material activated device of the present invention uses a shape memory material activator to create a path through a shell wall of the device. The path through the shell wall may release a substance contained in the shell or allow a substance to enter... | 10/30/2007 |
| 7285231 | Immersion liquid for water-immersion microscopy An immersion liquid for microscopy using water immersion objectives has a refractive index in the range from 1.25 to 1.4 and a kinematic viscosity of greater than 20 mm2/s at 20° C. ... | 10/23/2007 |
| 7279073 | Apparatus for liquid-based fiber separation An apparatus for treating fibrous material is disclosed. The apparatus may include a fiber separator, a de-liquefier, a dry-to-wet blender and a flash dryer. The fiber separator may be a liquid-based fiber separator. The de-liquefier is for removing liquid from the ... | 10/09/2007 |
| 7278369 | Temperature indicator using thermochromic materials A temperature indicator for a rubber article comprises a thermochromic material, wherein the thermochromic material is a component of a rubber article selected from the group consisting of tires, belts and hoses. A rubber article containing a temperature indicator i... | 10/09/2007 |
| 7277015 | System and method for detecting, monitoring, tracking and identifying explosive materials This invention relates to a system and method for monitoring, detecting, tracking and identifying explosive materials. The system and method involves tracking and monitoring the explosive material during every part of the chain of custody. ... | 10/02/2007 |
| 7273556 | Method for treating water containing manganese The invention concerns a method for treating water for human consumption, so as to eliminate manganese and possibly other metals comprising steps which consist in: causing said water to pass at least over a bed of filtering material (3) consisting at least pa... | 09/25/2007 |
| 7256054 | Core-shell metal particles coated with dextran or aminodextran carrying SH groups, and use thereof Colloidal metal particles having a coating comprising non cross-linked, SH-activated dextran or aminodextran. Biomolecules may be linked directly or indirectly to the particles, which are useful as detection reagents in immunological assays. ... | 08/14/2007 |
| 7254095 | Timing system and device and method for making the same A timing device for indicating the passage of a duration of time is disclosed. The timing device and system, in accordance with the embodiments of the invention, comprise an electrochemical component which generates a visual and/or audio indication of the passage of... | 08/07/2007 |
| 7243788 | Package for segregating and mixing substances The present invention relates to a package that includes an enclosure having a first substance and a second substance within the enclosure. The package further includes a plastic zipper which segregates the first substance from the second substance within the enclos... | 07/17/2007 |
| 7244618 | Stable lipid standards The invention describes materials useful for calibrating methods, and standards, calibration verification, linearity, and quality control materials for any method used to detect lipids and/or lipoproteins. This invention describes methods for producing, and composit... | 07/17/2007 |
| 7235404 | Cyanide-free lytic reagent composition and method of use for hemoglobin and white blood cell measurement A cyanide-free lytic reagent composition and method of use for measuring the total hemoglobin concentration and white blood cells in a blood sample are disclosed. The lytic reagent composition includes a quaternary ammonium surfactant to lyse red blood cells and rel... | 06/26/2007 |
| 7230113 | Chemical compositions for authenticatable polymers and articles, and authentication methods thereof Disclosed are compositions comprising at least one [benzo[4,5]imidazo(heterocycle)] compound, said [benzo[4,5]imidazo(heterocycle)] compound selected from the group consisting of structures I and II, wherein R | 06/12/2007 |
