Patent application number | Description | Published |
20080230751 | WHITE LIGHT-SHIELDING COMPOSITIONS AND ARTICLES COMPRISING SAME - A polymer composition is provided which is white and opaque (i.e. shields from light). The polymer composition comprises a blend of (i) a silicon-free polycarbonate polymer and (ii) a polycarbonate-polysiloxane copolymer; a whitener such as titanium dioxide; and (iii) a non-white colorant such as carbon black. The resulting composition, when molded and measured at a thickness of 0.75 mm, has an L* of greater than 80 and a % T of less than 1%. The composition also has good impact strength at low temperatures and good stability during processing. | 09-25-2008 |
20080265176 | COMPOSITION, METHOD OF AUTHENTICATING, METHODS OF MAKING AUTHENTICATABLE COMPOSITIONS, AUTHENTICATABLE ARTICLES MADE THERE FROM - A composition comprising compound of formula I, a process for preparing the composition comprising compound of formula I, methods of authentication for an article comprising compound of formula I or compound of formula II, authentication technology for polymer based articles comprising compound of formula I or formula II, methods of facilitating such authentication and method of making articles capable of authentication. | 10-30-2008 |
20090266991 | METHOD OF AUTHENTICATING TAGGED POLYMERS - In one embodiment, a tagged polymer composition, comprises: a base polymer composition comprising a forensic polymer composition and a dynamic response authentication marker. The forensic polymer composition comprises a marked polymer having a forensic authentication marker. The forensic authentication marker is present in an amount sufficient to be detected by a forensic analytical technique. The dynamic response authentication marker is present in an amount sufficient to be detected by a dynamic response analytical technique and wherein, when tested, the dynamic response authentication marker has a change in mode. | 10-29-2009 |
20090318629 | POLYSILOXANE-POLYCARBONATE COMPOSITIONS, AND RELATED METHODS AND ARTICLES - A composition, comprising, based on the total weight of the polymer components in the composition, 1 to 40 wt. % of an aromatic polycarbonate, 30 to 98.8 wt. % of a polysiloxane-polycarbonate block copolymer, and 0.1 to 10 wt. % of a polysiloxane-polyimide block copolymer comprising more than 20 wt. % polysiloxane blocks, based on the total weight of the polysiloxane-polyimide copolymer. The compositions provide articles with low haze, high luminous transmittance, and good hydro-aging properties. The articles can further be formulated to have excellent flame retardance, particularly when KSS is used. | 12-24-2009 |
20100258745 | OPTICAL ARTICLE HAVING ANTI-THEFT FEATURE AND A SYSTEM AND METHOD FOR INHIBITING THEFT OF SAME - A system for altering a functionality of an optical article from a pre-activated state to an activated state, comprising an optical article comprising an optical data layer for storing data, an external radiation source for generating an external stimulus adapted to interact with the optical article, such interaction causing a change in optical accessibility of optically stored data, a directing material, wherein said directing material is for directing the external stimulus to selective portions of the optical article, thereby altering the functionality of the optical article from a pre-activated state to an activated state; a convertible element capable of responding to the external stimulus to irreversibly alter the optical article from the pre-activated state of functionality to the activated state of functionality, wherein said convertible element comprises a color-shift dye, a magnetic material, a thermo-chromic material, a magneto-optical material, a light scattering material, a phase-change material, dye aggregates, or combinations thereof. | 10-14-2010 |
20110196075 | AUTHENTICATABLE ARTICLES AND METHODS THEREFOR - An article comprising the compound of Formula (I): | 08-11-2011 |
20110288214 | POLYSILOXANE-POLYCARBONATE COMPOSITIONS, METHOD OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - A composition, comprising, based on the total weight of the polymer components in the composition, 1 to 40 wt. % of an aromatic polycarbonate, 30 to 98.8 wt. % of a polysiloxane-polycarbonate block copolymer, and 0.1 to 10 wt. % of a polysiloxane-polyimide block copolymer comprising more than 20 wt. % polysiloxane blocks, based on the total weight of the polysiloxane-polyimide copolymer. The compositions provide articles with low haze, high luminous transmittance, and good hydro-aging properties. The articles can further be formulated to have excellent flame retardance, particularly when KSS is used. | 11-24-2011 |
Patent application number | Description | Published |
20120111075 | CROSS-LINKED MODIFIED WAXES FOR CONTROLLED RELEASE FERTILIZERS - A controlled release fertilizer material comprising a particulate plant nutrient surrounded by, a coating of a mixture including an isocyanate and a polyol, and further comprising a modified wax that may include a polyhydroxyt compound in which the wax and/or the polyhydroxyl compound are cross-linked with a sulfur or oxygen or a peroxide cross-linking moiety. In certain embodiments, the wax and polyhydroxyl compound are cross-linked at unsaturated sites in the wax or polyhydroxyl compound using heat, UV or ionizing radiation. | 05-10-2012 |
20120111076 | CONTROLLED RELEASE FERTILIZERS MADE FROM CROSS-LINKED GLYCERIDE MIXTURES - A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a coating which is the reaction product of a mixture including a cross-linked polyol, an isocyanate and a wax is described. The cross-linked polyol is a reaction product of a polyhydroxyl compound, such as glycerol, and a triglyceride and the monoglyceride and/or diglyceride products are cross-linked with sulfur, oxygen and/or a peroxide cross-linking moiety, or are directly cross-linked at unsaturated sites in the monoglycerides and/or diglycerides. | 05-10-2012 |
20140331727 | FERTILIZER GRANULES HAVING POLYMERIC COATING WITH ORGANIC CARBONATE - A controlled release fertilizer composition and methods to produce the controlled release fertilizer composition. The controlled release fertilizer composition includes a fertilizer core that is coated with a polymeric layer, such as polyurethane, that includes an organic carbonate additive. | 11-13-2014 |