Abstract: Metallic salts of higher molecular weight fatty acids are produced in a continuous process by feeding fatty acid and base into a plug flow reactor to maintain a residence time of about 2 to about 60 minutes at a temperature of about 75.degree. F. to about 280.degree. F. to obtain a metallic salt, then grinding the metallic salt in a hammer mill to obtain coarse particles and then grinding the coarse particles in a jet mill to obtain fine particles of the metallic salt. Optionally, the fatty acid and base may be fed initially into a stirred-tank reactor to maintain a residence time of about 10 to about 80 minutes at a temperature of from about 115.degree. F. to about 300.degree. F. to initiate metallic salt reaction before feeding the metallic salt reaction mixture into the plug flow reactor.

Abstract: A composition for stripping solder and tin from a copper substrate having an extended life is provided by the inclusion of a polyacrylamide in a peroxide-fluoride based stripping composition. The presence of the polyacrylamide minimizes the adverse effect of the stripping composition on the copper substrate of the material undergoing treatment.

Abstract: A process for the suspension polymerization of vinyl chloride, in the presence of a redox catalyst system consisting of a peroxyester or diacyl peroxide and stannous chloride.

Abstract: A process for the bulk or suspension polymerization of vinyl monomers, particularly vinyl chloride, in the presence of a redox catalyst system consisting of a peroxyester or diacyl peroxide and an ascorbic acid ester of a carboxylic acid.

Abstract: A process for the bulk or suspension polymerization of vinyl chloride, in the presence of a redox catalyst system consisting of a peroxyester or diacyl peroxide, a stannous or antimony (III) carboxylate and a complexing agent.

Abstract: A vinyl halide resin stabilizer composition which essentially contains:(a) a calcium, zinc or mixed calcium/zinc salt of a higher fatty acid; and(b) a polyhydroxy alcohol component wherein at least 50% of this component is either di-or tri-pentaerythritol.These compositions synergistically contribute to the heat stability of vinyl halide resin compositions and offer significant heat stabilization economies. Early color as well as long term heat stability performances of the metal salt compounds are improved in the compositions disclosed thereby permitting the reduction in amounts of such compounds needed for stabilization.

Abstract: A vinyl halide resin stabilizer composition which essentially contains:(a) a calcium, zinc or mixed calcium/zinc salt of a higher fatty acid;(b) a polyhydroxy alcohol component wherein at least 50% of this component is either di-or tri-pentaerythritol; and(c) a magnesium compound, particularly magnesium hydroxide or magnesium acetateThese compositions synergistically contribute to the heat stability of vinyl halide resin compositions and offer significant heat stabilization economies. Early color as well as long term heat stability performances of the metal salt compounds are improved in the compositions disclosed thereby permitting the reduction in amounts of such compounds needed for stabilization.

Abstract: A process for the bulk or suspension polymerization of vinyl monomers, particularly vinyl chloride, in the presence of a redox catalyst system consisting of a peroxyester or diacyl peroxide and a stannous or antimony (III) carboxylate.

Abstract: A highly efficient novel catalyst composition for ozone removal is made from(a) metallic silver deposited on a relatively high surface area metal substrate and(b) a composite of a relatively high surface area zirconia and oxides of manganese.

Abstract: A process for the bulk or suspension polymerization of vinyl chloride in the presence of a redox catalyst system consisting of a peroxyester and a monosaccharide or a carboxylic acid ester of a monosaccharide.

Abstract: A process for the bulk or suspension polymerization of vinyl chloride or vinylidene chloride, in the presence of a redox catalyst system consisting of a peroxyester or a diacyl peroxide and a stannous or antimony (III) mercaptide.

Abstract: Improved metal dissolution rates are obtained when using a solution containing sulfuric acid, hydrogen peroxide and a catalytic amount of a heterocyclic nitrogen compound containing at least one free mercapto group substitution.

Abstract: Improved metal dissolution rates are obtained when using a solution containing sulfuric acid, hydrogen peroxide and a catalytic amount of 3-sulfopropyldithiocarbamate sodium salt having the general formula ##STR1## wherein R can be a C.sub.1 -C.sub.4 alkyl group, phenyl, a C.sub.7 -C.sub.10 alkaryl group or a C.sub.7 -C.sub.10 aralkyl group.

Abstract: Improved metal dissolution rates are obtained when using a solution containing sulfuric acid, hydrogen peroxide and a catalytic amount of a polysulfide compound having the general formula ##STR1## wherein R is a hydroxyl group, a carboxyl group, a sulfonic acid group or a sulfonic acid salt group, each X independently from each other can be hydrogen, hydroxyl or C.sub.1 -C.sub.4 alkyl, each Y independently from each other can be hydrogen, hydroxyl or C.sub.1 -C.sub.4 alkyl, m is an integer from 1 to 18, and n is an integer from 2 to 5.

Abstract: Improved metal dissolution rates are obtained when using a solution containing sulfuric acid, hydrogen peroxide and a catalytic amount of a thioamide having the general formula ##STR1## wherein R is an aryl or a heterocyclic group.

Abstract: Improved brightness and corrosion resistance are imparted to metal surfaces such as zinc plated surfaces, by treatment with a non-toxic solution comprised of sulfuric acid, hydrogen peroxide, a silicate, certain primary organophosphorus compound promoters and at least one secondary promoter selected from ascorbic acid, boric acid, gluconic acid, glycolic acid, tartaric acid and salts of said acids.

Abstract: Improved color, brightness and corrosion resistance are imparted to metal surfaces such as zinc plated surfaces, by treatment with a non-toxic solution comprised of sulfuric acid, hydrogen peroxide, a silicate and at least one cationic triarylmethane dye. Certain organophosphorus compound additives further enhance the corrosion resistance.

Abstract: Improved brightness and corrosion resistance are imparted to metal surfaces such as zinc plated surfaces, by treatment with a non-toxic solution comprised of sulfuric acid, hydrogen peroxide and a silicate. Certain organophosphorus and organonitrogen compound additives further enhance the corrosion resistance.

Abstract: Process for the telomerization of olefins with secondary alcohols comprising admixing a secondary alcohol telogen with a mono-olefinically unsaturated hydrocarbon taxogen in catalytically effective amounts of a free radical generating initiator in a reaction zone, the telogen to taxogen molar ratio in the reaction zone being greater than about 1:1 as measured on the effluent stream from the reaction zone, at a temperature ranging from about 125.degree. C. to about 275.degree. C. and that a pressure varying from about 2000 psi to about 10,000 psi.

Abstract: An integrated process for the recovery of copper from impure copper bearing materials is provided by leaching the copper bearing material with sulfuric acid to convert the copper value to the soluble copper sulfate, selectively extracting the copper value from the leach liquor by contacting the liquor with an organic extractant stripping the copper from the organic copper extractant by contacting with liquor of enhanced acid content resulting from a subsequent reduction step, thus regenerating the organic extractant, contacting and thus reacting the acidified copper containing solution with an organic solution of amine extractant to reduce its acid concentration to a desired level, and recovering the copper metal by reacting the copper containing solution of lowered acid content with sulfur dioxide.