Abstract: A method of manufacturing a polyolefin using a catalyst system of an ingredient (A) and ingredient (B), with ingredient A being obtained through successive reaction steps. Ingredient A is prepared by forming a mixture of (1) the combination of (a) metallic magnesium or an oxygen-containing organic compound of magnesium with (b) a mixture of a monohydroxylated organic compound and a polyhydroxylated organic compound, (2) oxygen-containing organic compounds of titanium and (3) at least one alpha-olefin having at least 4 cargon atoms, such as 1-hexene. The resulting solution is reacted in sequence with (4) at least one first halogenated aluminum compound, (5) at least one silicon compound and (6) at least one second halogenated aluminum compound. Ingredient B is an organometallic compound of metals from Group Ia, IIa, IIIa or IVa of the Periodic Table. The resulting free-flowing polyolefin is characterized by a large average particle size and small amount of fine particles.

Abstract: A mechanical game device for use with rolling balls. The device includes a base block with a plurality of ball receiver pockets that are visible to the player. Located in the base block are a plurality of code blocks adapted for selective insertion in the base block in interchangeable side-by-side relation. Each block has a column of vertical holes that align with the vertical holes of adjacent code blocks to form rows of holes, one hole of each row being a code hole. The base block and code blocks define a number of concealed passages or race means adapted to guide balls through the device to one of a plurality of receiver pockets.

Abstract: A method of manufacturing a polyolefin using a catalyst system of an ingredient (A) and ingredient (B), with ingredient A being obtained through successive reaction steps. Ingredient A is prepared by forming a mixture of (1) the combination of (a) metallic magnesium or an oxygen-containing organic compound of magnesium with (b) a mixture of a monohydroxylated organic compound and a polyhydroxylated organic compound, and (2) oxygen-containing organic compounds of titanium. The resulting solution is reacted in sequence with (3) at least one first halogenated aluminum compound, (4) at least one silicon compound and (5) at least one second halogenated aluminum compound. Compounds 3 and 5 are added at temperatures not exceeding about 25.degree. C. Ingredient B is an organometallic compound of metals from Group Ia, IIa, IIIa or IVa of the Periodic Table. The resulting free-flowing polyolefin is characterized by a large average particle size and small amount of fine particles.

Abstract: A method of manufacturing a polyolefin using a catalyst system of an ingredient (A) and ingredient (B), with ingredient A being obtained through successive reaction steps. Ingredient A is prepared by forming a mixture of (1) the combination of (a) metallic magnesium or an oxygen-containing organic compound of magnesium with (b) a mixture of a monohydroxylated organic compound and a polyhydroxylated organic compound, and (2) oxygen-containing organic compounds of titanium. The resulting solution is reacted in sequence with (3) at least one first halogenated aluminum compound, (4) at least one silicon compound and (5) at least one second halogenated aluminum compound. Compounds 3 and 5 are added at temperatures not exceeding about 25.degree. C. Ingredient B is an organometallic compound of metals from Group Ia, IIa, IIIa or IVa of the Periodic Table. The resulting free-flowing polyolefin is characterized by a large average particle size and small amount of fine particles.

Abstract: This invention relates to novel emulsifiable polyethylene paraffin blend compositions, the blend compositions having a viscosity of about 95 to 2,600 cp at 150.degree. C. and an acid number of about 15 to 17 milligrams KOH/gm, said blend composition comprising (a) about 35 to 47 weight % of an ether soluble fraction having a viscosity of about 1 to 20 cp at 125.degree. C. and a density of 0.895 to 0.900 g/cc: (b) about 33 to 39 weight % of a hexane soluble fraction having a viscosity of 1,300 to 4,000 cp at 125.degree. C. and a density of 0.938 to 0.941 g/cc; and (c) about 20 to 26 weight % of a hexane insoluble fraction having a viscosity of 12,000 to 100,000 cp at 150.degree. C. and a density of 0.939 to 0.946 g/cc.

Abstract: A portable, rapidly erected fabric covered building-type structure has a plurality of articulated arch frames which may be hoisted from the ground to extend transversely in longitudinally spaced vertical planes. Spreaders rigidly connect the arch frames. Individual rectangular fabric sections extend transversely between corresponding adjacent pairs of the arch frames to provide an interior sheltered from the outside environment. The side edges of the fabric sections are connected to the rails of removable ladder-like mechanisms carried by the frames for tensioning the sections across their widths. The ends of the fabric sections are also pulled downwardly at the sides of the building by other mechanisms for tensioning the fabric sections lengthwise.