Abstract: A contact lens includes a central region, an annular region and a peripheral region. The central region includes a central point of the contact lens. The annular region symmetrically surrounds the central region. The peripheral region symmetrically surrounds the annular region. The peripheral region includes at least one color pattern portion. The annular region includes at least one power of critical point.

Abstract: Copolymers and compositions containing copolymers having advantageous viscosity, friction reduction, dissolution, pH-stability, and temperature-stability are provided. These copolymers can be used as rheology modifiers for oil field applications.

Abstract: Compounds, compositions and methods of use thereof are provided, the compounds comprising a hydrophobically modified polyelectrolyte comprising a nonionic monomer, an ionic monomer, a monomer having the structure of Formula 1, and a monomer having the structure of Formula 2, wherein R1, R2, R3, R5, R6, and R7 are independently hydrogen, unsubstituted alkyl, substituted alkyl, carbonyl, carboxyl, aryl, or alkaryl; R4 is linear C3 to C30 alkyl; R8 is branched C3 to C30 alkyl; X1 and X2 are independently —C(O)O—, —C(O)NR9—, —O—, —C(R9)2O—, -arylene-, -arylene-C(R9)2O—, -arylene-C(R9)2N(R10)— or -arylene-C(R9)2N+(R10)2—; R9 and R10 is independently hydrogen or a C1 to C4 alkyl; and wherein a molar ratio of the monomer of Formula 1 to the monomer of Formula 2 is from about 1.5:1 to about 15:1. The compounds are useful as viscosifying agents in oil and gas applications.

Abstract: Strengthening resins and processes for making and using same. In some embodiments, a resin mixture can include a solvent and a strengthening resin. The strengthening resin can include one or more hydrophobic monomers incorporated therein. The strengthening resin can have a chemical formula of (I). The chemical formula (I) can include: where each R2 can be derived from a hydrophobic monomer.

Abstract: Compounds, compositions and methods of use thereof are provided, the compounds comprising a hydrophobically modified polyelectrolyte comprising a nonionic monomer, an ionic monomer, a monomer having the structure of Formula 1, and a monomer having the structure of Formula 2, wherein R1, R2, R3, R5, R6, and R7 are independently hydrogen, unsubstituted alkyl, substituted alkyl, carbonyl, carboxyl, aryl, or alkaryl; R4 is linear C3 to C30 alkyl; R8 is branched C3 to C30 alkyl; X1 and X2 are independently —C(O)O—, —C(O)NR9—, —O—, —C(R9)2O—, -arylene-, -arylene-C(R9)2O—, -arylene-C(R9)2N(R10)— or -arylene-C(R9)2N+(R10)2—; R9 and R10 is independently hydrogen or a C1 to C4 alkyl; and wherein a molar ratio of the monomer of Formula 1 to the monomer of Formula 2 is from about 1.5:1 to about 15:1. The compounds are useful as viscosifying agents in oil and gas applications.

Abstract: Copolymers and compositions containing copolymers having advantageous viscosity, friction reduction, dissolution, pH-stability, and temperature-stability are provided. These copolymers can be used as rheology modifiers for oil field applications.

Abstract: Compositions and methods for stabilizing biomolecules are disclosed. Specifically, the compositions include novel homopolymers or copolymers containing trehalose side chains conjugated to biomolecules. When such homopolymers or copolymers are placed in close proximity to biomolecules, such as proteins, the homopolymers or copolymers protect and/or stabilize the biomolecule. The compositions and methods may be suitable for use in various industries such as healthcare (pharmaceuticals), molecular biology, biofuels, paper, personal care, detergent, photographic, rubber, brewing, dairy and food processing industries.

Abstract: Compositions and methods for stabilizing biomolecules are disclosed. Specifically, the compositions include novel homopolymers or copolymers containing trehalose side chains conjugated to biomolecules. When such homopolymers or copolymers are placed in close proximity to biomolecules, such as proteins, the homopolymers or copolymers protect and/or stabilize the biomolecule. The compositions and methods may be suitable for use in various industries such as healthcare (pharmaceuticals), molecular biology, biofuels, paper, personal care, detergent, photographic, rubber, brewing, dairy and food processing industries.

Abstract: Compositions and methods for stabilizing biomolecules are disclosed. Specifically, the compositions include novel homopolymers or copolymers containing trehalose side chains conjugated to biomolecules. When such homopolymers or copolymers are placed in close proximity to biomolecules, such as proteins, the homopolymers or copolymers protect and/or stabilize the biomolecule. The compositions and methods may be suitable for use in various industries such as healthcare (pharmaceuticals), molecular biology, biofuels, paper, personal care, detergent, photographic, rubber, brewing, dairy and food processing industries.

Abstract: Compositions and methods for stabilizing biomolecules are disclosed. Specifically, the compositions include novel homopolymers or copolymers containing trehalose side chains conjugated to biomolecules. When such homopolymers or copolymers are placed in close proximity to biomolecules, such as proteins, the homopolymers or copolymers protect and/or stabilize the biomolecule. The compositions and methods may be suitable for use in various industries such as healthcare (pharmaceuticals), molecular biology, biofuels, paper, personal care, detergent, photographic, rubber, brewing, dairy and food processing industries.