Ian C. Stewart, Houston US
Ian C. Stewart, Houston, TX US
Patent application number | Description | Published |
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20120245294 | Olefin Triblock Polymers via Ring-Opening Metathesis Polymerization - This invention relates to a composition comprising a multiblock polyolefin represented by the formula: | 09-27-2012 |
20120316302 | Catalyst Systems Comprising Multiple Non-Coordinating Anion Activators and Methods for Polymerization Therewith - This invention relates to a method to polymerize olefins comprising contacting olefins with a catalyst system comprising a transition metal catalyst compound and: 1) at least two NCA activators represented by the formula: Z | 12-13-2012 |
20130085232 | Dynamic Modulation of Metallocene Catalysts - This invention relates to a process to alter comonomer distribution in a copolymer (as compared to a copolymer made absent the Lewis base modifier) comprising contacting ethylene and one or more C | 04-04-2013 |
20130131294 | Amidinate Catalyst Compounds, Process for Their Use and Polymers Produced Therefrom - This invention relates to a method to polymerize olefins comprising contacting olefins with an amidinate catalyst compound, a chain transfer agent and an activator, where the amidinate catalyst compound is represented by the formula: (amindinate) | 05-23-2013 |
20140088266 | Oxygenation of Vinyl-Terminated Macromonomers - This invention relates to relates to a polyolefin composition comprising one or more of the following formulae: | 03-27-2014 |
20140088277 | Functionalized Resins Obtained Via Olefin Metathesis - This invention relates to a reaction product obtained by contacting a polymer comprising units derived from dicyclopentadiene with a vinyl terminated macromonomer, a vinyl monomer or a vinylene monomer, in the presence of a metathesis catalyst, where the vinyl monomer or vinylene monomer is represented by the formula: | 03-27-2014 |
20140213732 | Preparation of Bottlebrush Polymers via Ring-Opening Metathesis Polymerization - This invention relates to a reaction product obtained by ring-opening metathesis polymerization of norbornene ketones functionalized with the residual portion of a vinyl terminated macromonomer. | 07-31-2014 |
20140316085 | Process of Producing Polyolefins Using Metallocene Polymerization Catalysts and Copolymers Therefrom - An ethylene copolymer, a Group 4 transition metal catalyst compound, and methods for polymerization using such a compound, said compound represented by the formula: (L) | 10-23-2014 |