1
George E Rotter, John L Melquist, Weilong Chiang, Boh C Tsai, John J Kelly: Increased throughput in foaming and other melt fabrication of polyester. Amoco Corporation, Matthew R Hooper, Stephen L Hensley, February 22, 1994: US05288764 (79 worldwide citation)

Disclosed is a process for obtaining polyester articles, including foamed articles, containing low levels of extractable branching agent. The process comprises: (1) forming a molten mixture comprising (i) a major amount of a first resin composition comprising polyester and from 0 up to about 1 wt. % ...


2
Glen R Hoff, John L Melquist, Peter Fotis: Vapor phase polymerization with temporarily inactive titanium catalyst. Standard Oil Company, William H Magidson, Arthur G Gilkes, William T McClain, December 19, 1978: US04130699 (29 worldwide citation)

Vapor phase polymerization of an olefin which comprises conveying inactive high yield titanium catalyst component to a vapor phase polymerization reactor with a liquid comprising recycled quench liquid, reactivating said inactive high yield titanium catalyst component inside the reactor with a metal ...


3
John L Melquist: Olefin polymerization catalyst. Standard Oil Company, Stephen L Hensley, Arthur G Gilkes, William T McClain, May 15, 1979: US04154701 (24 worldwide citation)

Olefin polymerization catalyst useful in preparation of polyolefins of broad molecular weight distribution comprising (a) a component prepared by reacting an organoaluminum compound with a mixture comprising a titanium compound, a zirconium compound, and a vanadium compound; and (b) an organoaluminu ...


4
George E Rotter, John L Melquist, Weilong Chiang, Boh C Tsai, John J Kelly: Increased throughput in melt fabrication and foaming of polyester. Amoco Corporation, Matthew R Hooper, Stephen L Hensley, August 23, 1994: US05340846 (17 worldwide citation)

Disclosed is a process for obtaining polyester articles, including foamed articles, containing low levels of extractable branching agent. The process comprises: (1) forming a molten mixture comprising (i) a major amount of a first resin composition comprising polyester and from 0 up to about 1 wt. % ...


5
John L Melquist, Glen R Hoff: Olefin polymerization catalyst. Standard Oil Company, Stephen L Hensley, William T McClain, William H Magidson, April 22, 1980: US04199476 (15 worldwide citation)

Alpha-olefin polymerization catalyst comprising (A) a solid component which is the reaction product of components comprising (1) an alkylaluminum halide and (2) a liquid reaction product prepared by reacting components comprising a magnesium (II) alkoxide and a titanium (IV) alkoxyhalide in the abse ...


6
John L Melquist: Polyetherimide copolymers. Amoco Corporation, Rae K Stuhlmacher, Wallace L Oliver, Frank J Sroka, February 23, 1993: US05189115 (11 worldwide citation)

Novel polyetherimide copolymers comprising the reaction product of 2,2-bis(3',4'-dicarboxyphenyl)propane dianhydride, an aromatic bis(ether anhydride), and a diamine are described. The polyetherimide copolymers have improved thermal properties, are soluble in conventional solvents, and are compatibl ...


7
John L Melquist, Nicholas K Kildahl, Peter Fotis: Catalyst for the preparation of polyalpha-olefins having broad molecular weight distributions. Standard Oil Company, Stephen L Hensley, William T McClain, William H Magidson, July 1, 1980: US04210559 (10 worldwide citation)

Catalyst for the polymerization of alpha-olefins to polymers having broad molecular weight distributions consisting essentially of an organometallic promoter and the solid reaction product of an alkylaluminum component, at least one titanium(IV) compound, and at least one zirconium(IV) compound.


8
George E Rotter, John L Melquist, Weilong Chiang, Boh C Tsai, John J Kelly: Increased throughput in melt fabrication and foaming of polyester. Amoco Corporation, Scott P McDonald, Stephen L Hensley, August 29, 1995: US05446111 (9 worldwide citation)

Disclosed is a process for obtaining polyester articles, including foamed articles, containing low levels of extractable branching agent. The process comprises: (1) forming a molten mixture comprising (i) a major amount of a first resin composition comprising polyester and from 0 up to about 1 wt. % ...


9
George E Rotter, Weilong Chiang, Boh C Tsai, John L Melquist, Cheryl A Pauer, Stephen Y Chen: Concentrate for use in the melt fabrication of polyester. Amoco Corporation, Scott P McDonald, Stephen L Hensley, July 16, 1996: US05536793 (6 worldwide citation)

Concentrates produced by melt processing a branching agent and a polyester carrier are disclosed. The concentrates are useful in melt processing polyesters. The concentrates contain sufficiently high concentrations of a branching agent to minimize the formation of crosslinked compounds in the concen ...


10
Melvin L Luetkens Jr, Steve T McKenna, John L Melquist: Alcohol conversion. Amoco Corporation, Frederick S Jerome, William H Magidson, Ralph C Medhurst, May 29, 1990: US04929763 (3 worldwide citation)

Conversion of alcohol to organic compounds which comprises contacting the alcohol with a heterogeneous catalyst composition comprising at least one member selected from the group consisting of