1
Alexei Kazakov, Stephen John Brown, Christopher John Brooke Dobbin, Stanley Allan Grabow: Multimodal polyolefin pipe. Nova Chemicals, Kenneth H Johnson, November 4, 2003: US06642313 (20 worldwide citation)

A solution polymerization process in a series or parallel of two or more reactors at different temperatures is used to prepare a multimodal polyolefin resin of narrow molecular weight distribution. This resin is used to manufacture melt extruded pipe that has an improved performance at elevated temp ...


2
James Arthur Auger, Stan Allan Grabow, Alexei Kazakov, Richard Kolasa: Polyolefin pipe. Kenneth H Johnson, April 18, 2000: US06051638 (5 worldwide citation)

Polyolefin pipes, and particularly gas pipe, in which the olefin polymer has been nucleated with from 1,500 to 10,000 ppm based on the weight of the polyolefin of a nucleating agent which is a dibenzylidene derivative of sorbitol or xylitol have an improved long term hydrostatic strength.


3
Alexei Kazakov, Gary Yim: Polyolefin blends and pipe. Nova Chemicals, Kenneth H Johnson, December 18, 2007: US07309741 (3 worldwide citation)

A polyolefin blend comprising: (a) from 30 to 80 weight % of a low molecular weight copolymer comprising from 85 to 100 weight % of ethylene and from 15 to 0 weight % of one or more C4-8 alpha olefins having a density from 0.953 to 0.965 g/cm3 and a melt flow rate (2.16 kg 190° C.) from 0.1 to 20.0 ...


4
Patrick Lam, Victoria Ker, Charles Ashton Garret Carter, Benjamin Milton Shaw, Cliff Robert Baar, Alexei Kazakov, Ian Douglas McKay, Dusan Jeremic: Polyethylene film. Nova Chemicals, Kenneth H Johnson, September 9, 2014: US08829137

Polyethylene films having a good balance of optical and mechanical properties are disclosed. The films are derived from ethylene copolymer compositions made with a suitably substituted phosphinimine catalyst. The ethylene copolymers have very narrow molecular weight distributions and broadened comon ...


5
Alexei Kazakov, Gary Yim: Polyolefin blends and pipe. NOVA Chemicals, Kenneth H Johnson, April 13, 2010: US07696281

A polyolefin blend comprising: (a) from 30 to 80 weight % of a low molecular weight copolymer comprising from 85 to 100 weight % of ethylene and from 15 to 0 weight % of one or more C4-8 alpha olefins having a density from 0.953 to 0.965 g/cm3 and a melt flow rate (2.16 kg 190° C.) from 0.1 to 20.0 ...


6
Alexei Kazakov, Stephen John Brown, Christopher John Brooke Dobbin, Stanley Allan Grabow: Multimodal polyolefin pipe. Nova Chemicals, Kenneth H Johnson, February 22, 2005: US06858677

A solution polymerization process in a series or parallel of two or more reactors at different temperatures is used to prepare a multimodal polyolefin resin of narrow molecular weight distribution. This resin is used to manufacture melt extruded pipe that has an improved performance at elevated temp ...


7
Alexei Kazakov, Stephen John Brown, Christopher John Brooke Dobbin, Stanley Allan Grabow: Multimodal polyolefin pipe. Nova Chemicals, Kenneth H Johnson, March 18, 2004: US20040054088-A1

A solution polymerization process in a series or parallel of two or more reactors at different temperatures is used to prepare a multimodal polyolefin resin of narrow molecular weight distribution. This resin is used to manufacture melt extruded pipe that has an improved performance at elevated temp ...


8
Christopher John Brooke Dobbin, Alexei Kazakov: Half panel. Nova Chemicals, Kenneth H Johnson, November 27, 2008: US20080289274-A1

The present invention provides a half panel having on its back ribs defining symmetrically complimentary closed wall open faced cells and ribs having spaces there between. The half panel may be placed in back to back relationship and rotated through a required degree of rotation so that the open fac ...


9
Christopher John Brooke Dobbin, XiaoChuan Wang, Alexei Kazakov: Long fiber reinforced composites. NOVA Chemicals, Kenneth H Johnson, November 13, 2008: US20080281033-A1

A composite comprising from about 20 to 40 weight % of fiber reinforcing having a nominal length of not less than 1.25 cm, from about 1 to 10 weight % of a polar polymer and from 79 to 50 weight % of a polyolefin prepared using a single site catalyst has improved physical properties over comparable ...


10
Alexei Kazakov, Gary Yim: Polyolefin blends and pipe. NOVA Chemicals, Kenneth H Johnson, December 1, 2005: US20050266193-A1

A polyolefin blend comprising: (a) from 30 to 80 weight % of a low molecular weight copolymer comprising from 85 to 100 weight % of ethylene and from 15 to 0 weight % of one or more C4-8 alpha olefins having a density from 0.953 to 0.965 g/cm3 and a melt flow rate (2.16 kg 190° C.) from 0.1 to 20.0 ...