1
Matthew G Thorn, Joel L Martin, Qing Yang, Albert P Masino: -metallocenes and their parent ligands in high yield, Synthesis of. Chevron Phillips Chemical Company, Womble Carlyle Sandridge & Rice PLLC, June 20, 2006: US07064225 (51 worldwide citation)

The present invention provides a method of making compounds comprising linked cyclopentadienyl and fluorenyl groups, including substituted analogs thereof, which are precursors to ansa-metallocenes comprising bridged cyclopentadienyl and fluorenyl ligands. In one aspect, this invention provides a pr ...


2
Joel L Martin, Albert P Masino, Qing Yang: Process for one-pot synthesis of 1,1-diphenyl-1-(3-substituted-cyclopentadienyl)-1-(2,7-di-t-butyl-fluoren-9-yl)methane type ligands. Chevron Phillips Chemical Company, Merchant & Gould P C, December 23, 2008: US07468452 (25 worldwide citation)

The present invention is directed to a method of making a ligand which can be used to form an ansa-metallocene. Further, the present invention is directed to a method of making the ansa-metallocene. In both methods the process steps employed to form the ligand are conducted in the presence of tetrah ...


3
William J Sartain, Patricia A Hooks, Keta M Lindstrom, Stella L Ellis, Douglas D Klendworth, Albert P Masino, Richard W Fries, Therese A Pastrick: Catalyst component and system. Equistar Chemicals, Kevin M Carroll, May 28, 2002: US06395669 (21 worldwide citation)

A catalyst component formed by the steps of contacting a transition metal-containing metallocene of a transition metal of Group 4, 5 or 6 of the Periodic Table of the Elements with silica or an organic support. This product is contacted with an organomagnesium compound or complex followed by contact ...


4
Raghu Menon, Albert P Masino, Mark K Reinking: Cocatalyst for vanadium/titanium containing polymerization catalyst. Quantum Chemical Corporation, William A Heidrich, September 13, 1994: US05346872 (17 worldwide citation)

The present invention relates to a novel catalyst component for ethylene polymerization comprising vanadium and titanium. Moreover, when the vanadium/titanium containing catalyst of the present invention is employed with an aluminum-containing cocatalyst enhanced activity as well as melt index is ob ...


5
Klaus H Theopold, Woo Kyu Kim, Leonard A MacAdams, John M Power, Javier M Mora, Albert P Masino: Catalyst compounds with &bgr;-diminate anionic ligands and processes for polymerizing olefins. University of Delaware, Chevron Chemical Co, Pillsbury Winthrop, January 28, 2003: US06511936 (16 worldwide citation)

The present invention relates to catalyst systems, processes for making such catalysts, intermediates for such catalysts, and olefin polymerization processes using such catalysts wherein such catalyst includes a component represented by the following formula 1A:


6
Buehler Charles K, Albert P Masino: Silica supported polymerization catalyst. Quantum Chemical Corporation, Kenneth D Tremain, Richard G Jackson, July 23, 1991: US05034365 (15 worldwide citation)

A new catalyst useful in the polymerization of at least one olefin is disclosed. The catalyst comprises the product obtained by contacting silica, in random order, with (1) at least one hydrocarbon soluble magnesium-containing compound; and (2) a first modifying compound selected from the group cons ...


7
Brooke L Small, Kenneth D Hope, Qing Yang, Albert P Masino, Max P McDaniel, Richard M Buck, William B Beaulieu, Eduardo J Baralt, Eric J Netemeyer, Bruce Kreischer: Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends. Chevron Phillips Chemical Company, Merchant & Gould P C, September 17, 2013: US08536391 (13 worldwide citation)

This disclosure provides for alpha olefin oligomers and polyalphaolefins (or PAOs) and methods of making the alpha olefin oligomers and PAOs. This disclosure encompasses metallocene-based alpha olefin oligomerization catalyst systems, including those that include at least one metallocene and an acti ...


8
Charles K Buehler, Albert P Masino: Silica supported polymerization catalyst system. Quantum Chemical Corporation, Kenneth D Tremain, Richard G Jackson, September 8, 1992: US05145821 (13 worldwide citation)

A new catalyst component useful in the polymerization of at least one olefin is disclosed. The catalyst component comprises the product obtained by contracting silica, in random order, with (1) at least one hydrocarbon soluble magnesium-containing compound; and (2) a first modifying compound selecte ...


9
Errun Ding, Albert P Masino, Joel L Martin, Youlu Yu: Catalyst systems and polymer resins having improved barrier properties. Chevron Phillips Chemical Company, Conley Rose P C, Rodney B Carroll, Cheryl L Huseman, August 6, 2013: US08501651 (12 worldwide citation)

A catalyst system comprising a half-sandwich chromium complex, an activator support and an optional cocatalyst. A compound of formula Cp′Cr(Cl)2(Ln), where Cp′ is η5—C5H4CH2CH2CH═CH2 and Ln is pyridine, THF or diethylether. A compound of formula Cp″Cr(Cl)2(Ln), where Cp″ is η5—C5H4C(Me)2CH2CH2CH═CH2 ...


10
Charles K Buehler, Albert P Masino, Raghu Menon: Supported high activity polyolefin catalyst component with regular distribution of magnesium values provided utilizing a controlled drying protocol. Quantum Chemical Corporation, Kenneth D Tremain, January 4, 1994: US05275991 (12 worldwide citation)

A novel catalyst support and a method for preparation thereof, characterized by the presence of selected amounts of a hydrocarbon soluble magnesium-containing compound applied to the support relative to solvent, wherein a surface uniformly and essentially continuously moistened with the solvated mag ...