Abstract: An aromatic hydrocarbon modified soluble mixed aluminum hydrocarbyl-Lewis base co-catalyst composition comprising (i) at least two different classes of aluminum hydrocarbyls the first being an aluminum hydrocarbyl halide, the second being an aluminum hydrocarbyl hydride and/or aluminum trialkyl and (ii) at least one Lewis base represented by the formula: ##STR1## wherein each Y can be --OR', --NR.sub.2 and R' with the proviso that at least two be --OR' or --NR.sub.2, Z is an alkylene radical forming a 5 or 6 membered ring with the carbonyldioxy group or Z is alkyl substituted alkylene group wherein the alkyl radical can have from 1 to 8 carbon atoms, R is an aryl, allyl or alkyl group having from 1 to 20 carbon atoms and R' is an alkyl, cycloalkyl, aryl or aralkyl radical having from 1 to 20 carbon atoms.The co-catalyst is employed with a titanium halide catalyst for the polymerization of olefins to obtain a advantageous balance of catalytic activity and polymer product stereoregularity.

Abstract: A process for preparing and controlling the M.sub.n in the range of 70 to 700 of a reaction product comprising at least 90 mole % linear alpha olefins which includes polymerizing an ethylene containing gas in the presence of the reaction product of a Zirconium metal compound with R.sub.2 AlX, wherein R is an alkyl group having about 1 to about 20 carbon atoms, preferably 1 to 5, most preferably ethyl, and X is Cl or Br, in the presence of a diluent at a temperature of about 75.degree. to 200.degree. C. and an ethylene pressure above about 50 psia, wherein the mole ratio of ethylene to olefin reaction product is above 0.8 throughout the reaction, wherein the product olefin concentration is greater than 5 wt. % based on the diluent and reaction product, wherein the M.sub.n of said reaction product is controlled by the molar ratio of said R.sub.2 AlX/ZrCl.sub.4, said molar ratio being between 100:1 to 0.1:1.

Abstract: A process for preparing and controlling the M.sub.n of a reaction product comprising at least 90 mole % linear alpha olefins which includes polymerizing an ethylene containing gas in the presence of the reaction product of a Zirconium metal compound with R.sub.2 AlX, wherein R is an alkyl group having about 1 to about 5 carbon atoms and X is Cl or Br, in the presence of a diluent at a temperature of about 75.degree. to 200.degree. C. and an ethylene pressure above about 50 psia, wherein the mole ratio of ethylene to olefin reaction product is above 0.8 throughout the reaction, wherein the product olefin concentration is greater than 5 wt. % based on the diluent and reaction product, wherein the M.sub.n of said reaction product is controlled by the molar ratio of said R.sub.2 AlX/ZrCl.sub.4, said molar ratio being less than about 1.

Abstract: A process for preparing linear alpha olefins and waxes having a total product M.sub.n in the range 200 to 700 comprising at least 90 mole percent linear alpha olefins which includes polymerizing an ethylene containing gas in the presence of the reaction product of a zirconium halide compound with an aluminum cocatalyst selected from the group consisting of dialkyl aluminum alkoxides or aryloxides and dialkyl aluminum disubstituted amides in the presence of a diluent at a temperature of about 50.degree. to 200.degree. C. and an ethylene pressure above about 3.5 MPa, wherein the M.sub.n of said reaction product is controlled by the molar ratio of said aluminum cocatalyst/Zr halide, said molar ratio being less than about 10.

Abstract: A process for preparing alpha olefin waxes comprising polymerizing an ethylene containing gas in the presence of a hydrocarbon-soluble catalyst comprising a zirconium compound, a dialkyl aluminum halide and a monoalkyl aluminum dihalide in specified ratios in the presence of a diluent at 75.degree.-200.degree. C. and maintaining the mole ratio of ethylene to total olefin reaction product above 0.8 so as to produce a waxy product containing at least 90 mole % linear olefins of which greater than 50 wt % are C.sub.20+ waxes.

Abstract: A process for preparing linear alpha olefins and waxes having a total product M.sub.n in the range 200 to 700 comprising at least 90 mole percent linear alpha olefins which includes polymerizing an ethylene containing gas in the presence of the reaction product of a zirconium halide compound with an aluminum cocatalyst selected from the group consisting of dialkyl aluminum alkoxides or aryloxides and dialkyl aluminum disubstituted amides in the presence of a pi base and in the presence of a diluent at a temperature of about 50.degree. to 200.degree. C. and an ethylene pressure above about 3.5 MPa, wherein the M.sub.n of said reaction product is controlled by the molar ratio of said aluminum cocatalyst/Zr halide, said molar ratio being less than about 1.

Abstract: In a process for preparing linear olefins which comprises polymerizing an ethylene containing gas in the presence of a catalyst comprising the reaction product of a transition metal halide and an aluminum alkyl compound in the presence of a diluent and maintaining the mole ratio of ethylene to olefin reaction product at a relatively high level so as to produce a product comprising at least 90 mole % linear olefins, the process is improved and the product purity is maintained by killing the activity of the catalyst prior to the occurrence of deleterious side reactions which tend to reduce the product purity.

Abstract: This invention relates to an improved process for preparing linear olefins and waxes, particularly linear olefin waxes. More particularly, this invention relates to an improved process for polymerizing ethylene to obtain linear olefins and waxes having a number average molecular weight (M.sub.n) ranging from about 500 to 5000.The process can be generally described as a two-stage process wherein the first stage is an ethylene oligomerization followed by a second stage metathesis.Still more particularly, this invention relates to an improved process for polymerizing ethylene to obtain a product comprising at least 70 weight percent linear olefin waxes.

Abstract: In a process for preparing linear olefins which comprises polymerizing an ethylene containing gas in the presence of a catalyst comprising the reaction product of a transition metal halide and an aluminum alkyl compound in the presence of a diluent and maintaining the mole ratio of ethylene to olefin reaction product at a relatively high level so as to produce a product comprising at least 90 mole % linear olefins, the process is improved and the product purity is maintained by killing the activity of the catalyst prior to the occurrence of deleterious side reactions which tend to reduce the product purity.

Abstract: A new improved catalyst system for alpha-olefin type polymerizations includes a metal alkyl compound selected from the group consisting of R.sub.2 WY or R.sub.3 W and an organomagnesium compound R'MgX in combination with a Group IVB-VIII transition metal compound. The improved catalyst system provides both increased polymerization activity and polymers having a high degree of isotactic stereoregularity.

Abstract: A new improved catalyst system for alpha-olefin type polymerizations includes a metal di- or tri-halide compound of Al, Ga, or In and a diorganomagnesium compound in combination with a Group IVB-VIII transition metal compound. The improved catalyst system provides increased polymerization activity and polymers having a high degree of isotactic stereoregularity.

Abstract: A new improved catalyst system for alpha-olefin type polymerizations includes a metal alkyl cocatalyst having the formula T.sub.n MR'.sub.3-n in combination with a Group IVB-VIII transition metal compound on a support and a Lewis base wherein n is equal to one or two, T is equal to R.sub.3 DCH.sub.2, and wherein D is selected from the group consisting of Si, Ge or Sn, R is methyl or ethyl, and R' is selected from the group consisting of C.sub.1 to C.sub.8 primary alkyl or aralkyl groups including unhindered branched groups and M is selected from the group consisting of aluminum, gallium, or indium. The improved catalyst system provides both increased polymerization activity and polymers having a high degree of isotactic stereoregularity as well as lower catalyst residue.

Abstract: Chelating tertiary amino metal amides selected from compounds having the formulae: Mg.sup. ++ [Chel N].sub.2.sup..crclbar. wherein [Chel N].sup..crclbar. is not ##STR1## [Chel N].sup..crclbar. M.sup..sym., [Chel N].sup..crclbar. M.sup..sym. M'H.sub.m R.sub.n X.sub.p, Z Mg.sup..sym. [Chel N--M'H.sub.m R.sub.n X.sub.p ].sup..crclbar., Mg.sup. ++ --[Chel N--M'H.sub.m R.sub.n X.sub.p ].sup..crclbar. [M'H.sub.m R.sub.n X.sub.p Z].sup..crclbar., Chel N-Mg.sym.[N--Mg.sup..sym. H.sub.m R.sub.n X.sub.p Z].sup..crclbar. and Mg.sup. ++ [Chel N--M'H.sub.m R.sub.n X.sub.p ].sub.2 .sup..crclbar., wherein M is a Group IA metal, M' is a metal selected from the group consisting of Li, Na, Mg, Be, Zn, Cd, B, Al, Ga, In, Zr, Ti, Sn and Cu and m and n=0 to 4, p=0 to 3 and (m+n+ p)=the valence of M' and (m+n)= at least 1 and X is a nonreactive group selected from the group consisting of chlorine, bromine, iodine, C.sub.1 to C.sub.20 alkoxide, C.sub.1 to C.sub.20 thioalkoxide, C.sub.2 to C.sub.40 hydrocarbyl secondary amide and C.

Abstract: A new improved Ziegler type catalyst system for alpha-olefin type polymerization includes R'.sub.3 Y or R'.sub.2 YX and mixtures thereof, at least one Group IVB -VIII transition metal halide and an alkyl metal compound selected from R'.sub.2 YNR.sub.2 and R'XYNR.sub.2, wherein Y is Al, Ga or In and at least one Lewis base. The improved catalyst system provides increased polymerization activity without significantly affecting the crystallinity of the polymer.

Abstract: A new catalyst system for alphaolefin type polymerizations, includes at least one hindered alkyl metal amide compound having the formula R'.sub.2 YNR.sub.2 in combination with a Group IVB-VIII transition metal compound on a support and at least one Lewis base wherein R is selected from the group consisting of C.sub.4 to C.sub.20 bulky alkyl, cycloalkyl, aralkyl, aryl and substituted aryl groups or R.sub.2 N is a hindered cyclic amide group; R' is selected from the group consisting of C.sub.1 to C.sub.20 primary alkyl, secondary alkyl, tertiary alkyl, neopentyl alkyl, branched alkyl, cycloalkyl or aralkyl groups, and Y is selected from the group consisting of aluminum, gallium or indium. The catalyst system provides polymers having increased isotactic stereoregularity as well as lower catalyst residue.

Abstract: A new improved catalyst system for alpha-olefin type polymerizations includes a metal alkyl cocatalyst having the formula T.sub.n MR'.sub.3-n in combination with a Group IVB-VIII transition metal compound on a support and a Lewis base wherein n is equal to one or two, T is equal to R.sub.3 DCH.sub.2, and wherein D is selected from the group consisting of Si, Ge or Sn, R is methyl or ethyl, and R' is selected from the group consisting of C.sub.1 to C.sub.8 primary alkyl or aralkyl groups including unhindered branched groups and M is selected from the group consisting of aluminum, gallium, or indium. The improved catalyst system provides both increased polymerization activity and polymers having a high degree of isotactic stereoregularity as well as lower catalyst residue.

Abstract: An asymmetric synthesis process which involves addition of optically active chelated organometal compounds of lithium, sodium, beryllium, magnesium, zinc, copper and cadmium to prochiral unsaturated substrates. The optically active chelating agent is not consumed and can be recycled.

Abstract: A new improved catalyst system for alpha-olefin type polymerizations, includes at least one metal alkyl compound having the formula R.sub.n MR'.sub.3-n in combination with a Group IVB-VIII transition metal compound on a support and at least one Lewis base wherein R is selected from the group consisting of C.sub.3 to C.sub.20 secondary or tertiary alkyl, cycloalkyl, alkenyl or aralkyl groups; R' is selected from the group consisting of C.sub.1 to C.sub.20 primary alkyl, alkenyl or aralkyl groups, or a hydride, M is selected from the group consisting of aluminum, gallium, or indium; and n=1-3. The improved catalyst system provides polymers having increased isotactic stereoregularity as well as lower catalyst residue.

Abstract: This invention relates to the use of chelated lithium hydridoaluminates or hydridoborates in hydride reductions of inorganic substrates. Novel or improved reductions are obtained at increased rates or selectivities in hydrocarbon media to recover metals.

Abstract: Chelated lithium aluminum compounds are prepared by mixing a lithium aluminum compound such as a lithium aluminum hydride with a chelating agent wherein the agent contains at least one nitrogen atom. The chelating agent is a tertiary polyamine or aminoether. The resultant chelate is used for a variety of processes such as separations, catalytic reactions, substitution reactions, reductions, electrochemical reactions, and also as an oil and fuel additive.