Abstract: The catalysts are composed of an organometallic compound and a solid catalytic component which is the reaction product of a transition metal derivative and a solid support having a composition, at least on its surface, which corresponds to the formula M(OH).sub.x X.sub.y.nH.sub.2 O wherein X is a halogen, M is a bivalent metal 1>x>0, y=2-x, and 1>n.gtoreq.o. Polymerization and copolymerization of olefins are carried out advantageously using the new catalysts.

Abstract: The present invention relates to the method of polymerizing olefinic monomers utilizing a solid catalyst composition comprising a solid catalytic complex and an activator, to the resultant high impact resistant polymers, to the method of making such catalytic complex, and to the catalytic complex; said catalytic complex comprising the reaction product of an organic oxygenated compound of a metal of groups Ia, IIa, IIb, IIIb, IVb, VIIa, and VIII of the Periodic Table, an organic oxygenated transition compound of a transition metal of groups IVa, Va, and VIa of the Periodic Table, and an aluminium halide.

Abstract: This invention relates to the polymerization of .alpha.-olefins and to catalysts and cocatalysts for that purpose wherein the polymerization is carried out in the presence of a catalyst comprising an organometallic compound of a metal of Groups IA, IIA, IIB, IIIA, and IVA of the Periodic Table and a cocatalyst comprising the reaction product of a derivative of a transition metal of Groups IVB, VB, and VIB of the Periodic Table and a fluorinated reaction product having an atomic ratio of fluorine/divalent metal greater than 1, said fluorinated reaction product being formed by reacting a fluorinating agent with an oxygenated compound of a divalent metal at a temperature between about 150.degree. to 450.degree. C. for a time sufficient to form said reaction product. The invention also comprises the method of making the cocatalysts.

Abstract: Process for the extrusion, followed by cooling with water, of compositions based on alpha-olefin polymers. The composition being extruded comprises a phenolic anti-oxidizing agent, an organic phosphite, and a carbonate of an alkaline-earth metal. The process permits fabricating films, filaments and tubes.

Abstract: This invention relates to the polymerization of .alpha.-olefins and to catalysts and cocatalysts for that purpose wherein the polymerization is carried out in the presence of a catalyst comprising an organometallic compound of a metal of Groups Ia, IIa, IIb, IIIa, and IVa of the Periodic Table and a solid cocatalyst comprising the reaction product of a halogenating agent, an organic oxygenated compound of a divalent metal, and a derivative of a transition metal of Groups IVb, Vb, and VIb of the Periodic Table, the proportions of halogenating agent and organic oxygenated compound being that required to result in a reaction product thereof having an atomic ratio of halogen/divalent metal greater than 1. The invention also comprises the method of making the cocatalysts.

Abstract: The present invention relates to catalytic complexes for the polymerization and copolymerization of olefins comprising the reaction product of a halogenated derivative of a transition metal with a chelate organic oxygenated bivalent metal compound substantially free of hydroxyl groups; to the catalyst compositions formed by activating such complexes with an organometallic compound; and to the processes of forming such catalytic complexes and polymerizing and copolymerizing olefins utilizing such catalyst compositions.

Abstract: This invention relates to the polymerization and copolymerization of .alpha.-olefins and to catalysts and cocatalysts for that purpose wherein the polymerization is carried out in the presence of a catalyst composition comprising an organometallic compound and the cocatalyst reaction product of a halogenated transition metal compound and an organic compound of a divalent metal containing oxygen and nitrogen and being substantially free from hydroxyl groups attached to the divalent metal.

Abstract: This invention relates to the polymerization of .alpha.-olefins and to catalysts and to cocatalysts for that purpose wherein the polymerization is carried out in the presence of a catalyst comprising an organometallic compound of a metal of Groups IA, IIA, IIB, IIIA, and IVA of the Periodic Table and a cocatalyst comprising a reaction product of a halogenated derivative of a transition metal of Groups IVB, VB, and VIB of the Periodic Table and a hydrous divalent metal salt of a carboxylic acid, the cocatalyst having a gram equivalent ratio of halogen/divalent metal plus transition metal greater than 0.5. The invention also comprises the method of making the cocatalysts.