Abstract: The present invention relates to an improved composition of copolymer-1 comprising copolymer-1 substantially free of species having a molecular weight of over 40 kilodaltons.

Abstract: Cosmetic skin care methods of using and process of making carboxyalkylates of branched alcohols and/or alkoxylates thereof and process of making same. The compounds and compositions provide control of sebum secretion from sebocytes, improved oil control and improved skin feel, prevent shine and stickiness, while also providing anti-microbial activity against bacteria associated with acne, as well as providing anti-aging benefits which results in reduced appearance of wrinkles and aged skin, improved skin color, treatment of photoaged skin, improvement in skin's radiance and clarity and finish, and an overall healthy and youthful appearance of the skin.

Abstract: Described herein is a novel process for the preparation of poly(aryl ether ketones). The process comprises reacting an activated dihalobenzenoid compound with a diphenol and/or in self-condensing a halophenol whose halogen atom is activated towards nucleophilic substitution reactions. The polymerizations are performed at high temperatures, in an aprotic solvent, and in the presence of a base. The base comprises sodium carbonate or bicarbonate and a potassium, rubidium or cesium salt of an organic acid.

Abstract: Advanced epoxy resins prepared by the reaction of diglycidyl ethers of di-secondary alcohols and dihydric phenols, said advanced resins being heat curable with suitable curing agents to afford cured coating compositions exhibiting a variety of excellent physical properties and performance characteristics.