Abstract: A request to activate a service may be received from a user device and a determination may be made as to whether the request is authorized or fraudulent. In particular, a geographical location of the user device may be determined. Whether to activate the service may be determined based on the geographical location of the user device.

Abstract: A request to activate a service may be received from a user device and a determination may be made as to whether the request is authorized or fraudulent. In particular, a geographical location of the user device may be determined. Whether to activate the service may be determined based on the geographical location of the user device.

Abstract: A polymer composite comprising: (a) quantum dots; (b) polymerized units of a compound of formula (I) wherein R1 is hydrogen or methyl and R2 is a C6-C20 aliphatic polycyclic substituent; and (c) a light stabilizer compound comprising two 1-alkyloxy-2,2,6,6-tetramethyl-4-piperidinyl substituents.

Abstract: A request to activate a service may be received from a user device and a determination may be made as to whether the request is authorized or fraudulent. In particular, a geographical location of the user device may be determined. Whether to activate the service may be determined based on the geographical location of the user device.

Abstract: Methods, computing devices, and systems that dynamically determine whether a service request is authorized or fraudulent are described herein. A computing device may receive a request from a user device, and a geographical location of the user device may be determined based on a signal received from the user device. A determination as to whether to activate the service or not may be made based on the determined geographical location of the user device.

Abstract: A polymer composite comprising quantum dots; said polymer composite comprising: (a) quantum dots; (b) polymerized units of a first compound having at least one readily polymerizable vinyl group, a molecular weight from 300 to 20,000 and at least one continuous acyclic hydrocarbyl chain of at least five carbon atoms; and (c) polymerized units of a second compound having at least one readily polymerizable vinyl group and a molecular weight from 100 to 750; wherein a readily polymerizable vinyl group is part of a (meth)acrylate ester group or is attached directly to an aromatic ring, and the molecular weight of the first compound minus the molecular weight of the second compound is at least 100.

Abstract: A polymer composite comprising quantum dots. The polymer composite comprises: (a) quantum dots; (b) a first polymer having a molecular weight from 1,000 to 100,000 and a solubility parameter from 12 to 17 (J/cm3)1/2; (c) a second polymer comprising polymerized units of a first compound comprising at least one readily polymerizable vinyl group and having a molecular weight from 72 to 500, wherein the second polymer has a solubility parameter from 16.5 to 20 (J/cm3)1/2; and (d) a third polymer comprising polymerized units of a second compound comprising at least two readily polymerizable vinyl groups and having a molecular weight from 72 to 2000; wherein the first polymer encapsulates the quantum dots; wherein a readily polymerizable vinyl group is part of a (meth)acrylate ester group or is attached directly to an aromatic ring.

Abstract: A polymer resin comprising: (a) quantum dots, (b) a compound of formula (I) (I) wherein R1 is hydrogen or methyl and R2 is a C6-C20 aliphatic polycyclic substituent, and (c) a block or graft copolymer having Mn from 50,000 to 400,000 and comprising from 10 to 100 wt % polymerized units of styrene and from 0 to 90 wt % of a non-styrene block; wherein the non-styrene block has a van Krevelen solubility parameter from 15.0 to 17.5 (J/cm3)1/2.

Abstract: Methods, computing devices, and systems that dynamically determine whether a request is authorized or fraudulent are described herein. A computing device may receive a request from a communication device, and a geographical location of the communication device may be determined. User information may be requested, and based on the information and the geographical location of the communication device, a risk value can be calculated. A determination of whether to honor the request may be based on the subscriber risk value.

Abstract: Methods, computing devices, and systems that dynamically determine whether a request is authorized or fraudulent are described herein. A computing device may receive a request from a communication device, and a geographical location of the communication device may be determined. User information may be requested, and based on the information and the geographical location of the communication device, a risk value can be calculated. A determination of whether to honor the request may be based on the subscriber risk value.

Abstract: A polymer composite comprising: (a) quantum dots; (b) polymerized units of a compound of formula (I) wherein R1 is hydrogen or methyl and R2 is a C6-C20 aliphatic polycyclic substituent; and (c) a light stabilizer compound comprising two 1-alkyloxy-2,2,6,6-tetramethyl-4-piperidinyl substituents.

Abstract: A polymer resin comprising: (a) quantum dots, (b) a compound of formula (I) (I) wherein R1 is hydrogen or methyl and R2 is a C6-C20 aliphatic polycyclic substituent, and (c) a block or graft copolymer having Mn from 50,000 to 400,000 and comprising from 10 to 100 wt % polymerized units of styrene and from 0 to 90 wt % of a non-styrene block; wherein the non-styrene block has a van Krevelen solubility parameter from 15.0 to 17.5 (J/cm3)1/2.

Abstract: A polymer composite comprising quantum dots; said polymer composite comprising: (a) quantum dots; (b) polymerized units of a first compound having at least one readily polymerizable vinyl group, a molecular weight from 300 to 20,000 and at least one continuous acyclic hydrocarbyl chain of at least five carbon atoms; and (c) polymerized units of a second compound having at least one readily polymerizable vinyl group and a molecular weight from 100 to 750; wherein a readily polymerizable vinyl group is part of a (meth)acrylate ester group or is attached directly to an aromatic ring, and the molecular weight of the first compound minus the molecular weight of the second compound is at least 100.

Abstract: A method for encapsulating quantum dots. The method comprises steps of: (a) mixing quantum dots with a polymer having a molecular weight from 1,000 to 200,000 and a solubility parameter from 14 to 18.75 (J/cm3)1/2 and a solvent to form a mixture; and (b) spray drying the mixture to produce an encapsulated quantum dot powder.

Abstract: A polymer composite comprising quantum dots. The polymer composite comprises: (a) quantum dots; (b) a first polymer having a molecular weight from 1,000 to 100,000 and a solubility parameter from 12 to 17 (J/cm3)1/2; (c) a second polymer comprising polymerized units of a first compound comprising at least one readily polymerizable vinyl group and having a molecular weight from 72 to 500, wherein the second polymer has a solubility parameter from 16.5 to 20 (J/cm3)1/2; and (d) a third polymer comprising polymerized units of a second compound comprising at least two readily polymerizable vinyl groups and having a molecular weight from 72 to 2000; wherein the first polymer encapsulates the quantum dots; wherein a readily polymerizable vinyl group is part of a (meth)acrylate ester group or is attached directly to an aromatic ring.

Abstract: Multiple-pattern forming methods are provided.

Abstract: A polymer composite comprising quantum dots and polymerized units of at least one compound of formula (I) wherein R1 is hydrogen or methyl and R2 is a C6-C20 aliphatic polycyclic substituent.

Abstract: In a preferred aspect, methods are provided that comprise a) providing a semiconductor substrate comprising a patterned mask over a layer to be patterned; b) applying a layer of a first composition over the mask, wherein the composition comprises a polymer and the layer is coated on a sidewall of the mask; c) applying a layer of a second composition over the semiconductor substrate in a volume adjacent the coated sidewall of the mask; and d) removing the first composition from the sidewall of the mask, thereby exposing the layer to be patterned and forming a gap between the mask sidewall and the second composition layer to provide a relief image. The methods find particular applicability in semiconductor device manufacture.

Abstract: Multiple-pattern forming methods are provided.

Abstract: Methods, computing devices, and systems that dynamically determine whether a request is authorized or fraudulent are described herein. A computing device may receive a request from a communication device, and a geographical location of the communication device may be determined. User information may be requested, and based on the information and the geographical location of the communication device, a risk value can be calculated. A determination of whether to honor the request may be based on the subscriber risk value.