Abstract: Polymers of at least two different alpha monoolefinic monomers capable of polymerizing with themselves and each other. The polymers comprise a plurality of polymer chains along which the proportion of mer units provided by a first such monomer for a given first chain length gradually increases as the proportion of mer units provided by a second such monomer along the first chain length gradually decreases to a second chain length along which the proportion of mer units provided by the first and second monomers, respectively, remain substantially constant throughout said second chain length. Also, included are polymers of this type wherein the polymer chains comprise a third chain length along which the proportion of mer units provided by the first monomer is greater than the minimum proportion of the same type of mer units in the given first chain length and remains substantially constant throughout the third chain length.

Abstract: The dissolution of a small amount of certain reactive epoxy-containing silicone compounds in solvents used to dry clean leather results in improved and more durable softness and water resistance properties being imparted to the leather.

Abstract: This invention is concerned with dry liquid concentrates of hydrated alumina, that is, aluminum trihydrate, coated with a substantial amount of a silane containing three hydrolyzable groups bonded to a silicon atom thereof and containing at least one monovalent group which contains a polyalkylene oxide moiety therein, and/or hydrolyzates of such silanes and/or condensates of such hydrolyzates. Such treated hydrated alumina concentrate are useful in the treatment of alumina trihydrate particles to enhance their usefulness in reinforced plastic compositions and in coatings.

Abstract: This invention is concerned with the treatment of particulate titanium dioxide with a polyether substituted silicon compound which serves to enhance its employment in pigmented and/or filled paints and plastics, and in reinforced plastic composite compositions.

Abstract: N-Alkylmorpholines are used as viscosity stabilizers in vicinal acryloxy hydroxyl derivatives of linseed oil.