1
Max P McDaniel, Shirley J Martin, Kathy S Collins, Marvin M Johnson: Compositions that can produce polymers. Phillips Petroleum Company, Polly C Owen, Carl D Corvin, December 26, 2000: US06165929 (170 worldwide citation)

A process is provided to produce a composition of matter. The process comprises contacting at least one organometal compound, at least one solid mixed oxide compound, and at least one organoaluminum compound to produce the composition.


2
Krisztina Frey, Gabriele von Massow, Helmut G Alt, M Bruce Welch: Cyclopentadienyl-type ligands, metallocenes, catalyst systems, preparation, and use. Phillips Petroleum Company, Carl D Corvin, October 8, 1996: US05563284 (50 worldwide citation)

In accordance with the present invention there is provided a cyclopentadienyl-type ligand represented by the formula ZA, wherein Z is a cyclopentadienyl-type group, wherein A is --YPR.sub.2, --YNR.sub.2, or --NR.sub.2, wherein Y is an alkylene group containing 1 to 24 carbon atoms, wherein each R is ...


3
Krisztina Frey, Gabriele von Massow, Helmut G Alt, M Bruce Welch: Process for preparing cyclopentadienyl-type ligands. Phillips Petroleum Company, Carl D Corvin, September 10, 1996: US05554795 (48 worldwide citation)

In accordance with the present invention there is provided a cyclopentadienyl-type ligand represented by the formula ZA, wherein Z is a cyclopentadienyl-type group, wherein A is --YPR.sub.2, --YNR.sub.2, or --NR.sub.2, wherein Y is an alkylene group containing 1 to 24 carbon atoms, wherein each R is ...


4
M Bruce Welch, Helmut G Alt, Bernd Peifer: Metallocene compounds and preparation thereof containing terminal alkynes. Phillips Petroleum Company, Carl D Corvin, May 20, 1997: US05631203 (46 worldwide citation)

Metallocene compounds and processes for preparing such metallocene compounds are provided. Such processes for preparing such metallocene compounds comprise reacting an alkynyl ligand, an alkali metal compound, and a transition metal-containing compound.


5

6

7

8

9
William J Trepka, George A Moczygemba, Nathan E Stacy, Ralph C Farrar Jr: Tapered block copolymers of monivinylarenes and conjugated dienes. Phillips Petroleum Company, Carl D Corvin, June 8, 1999: US05910546 (39 worldwide citation)

A method for preparing tapered block copolymers which are particularly useful for blend components in blends with polymers of styrene. In the first embodiment of this invention the copolymers are prepared in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic mo ...


10
William R Coutant, Joel L Martin: Polyethylene blends. Phillips Petroleum Company, Carl D Corvin, January 10, 1995: US05380803 (36 worldwide citation)

A composition of matter comprising: (a) 10 to 80 weight percent inclusive of a low molecular weight polyethylene resin having a density of at least 0.94 grams per cubic centimeter, a melt index greater than 25 grams per 10 minutes, and a heterogeneity index between 2 and 12 inclusive; and (b) 20 to ...



Click the thumbnails below to visualize the patent trend.