Anthony G Karandinos, Keith A Nelson, Jean M Tancrede, Bruce A Harrington, David J Lohse, Olivier J F Georjon, Kenneth Lewtas, Sudhin Datta, Charles Cozewith: Polypropylene-based adhesive compositions. ExxonMobil Chemical Patents, Leandro Arechederra, June 8, 2004: US06747114 (100 worldwide citation)

An adhesive blend is described that can include a semi-crystalline copolymer of propylene and at least one comonomer selected from the group consisting of ethylene and at least one C

Ronald D Garton, Corey W Reed, Krishna K Rao, Bruce D Lilly: Manufacture of alcohols. ExxonMobil Chemical Patents, Andrew B Griffis, Leandro Arechederra III, April 20, 2010: US07700814 (58 worldwide citation)

Acetals are formed from a mixture comprising alcohols and aldehydes and the product is distilled to yield purified alcohols and/or acetals and/or unsaturated ethers.

Charles C Cozewith, Sudhin Datta, Weiguo Hu: Blends made from propylene ethylene polymers. ExxonMobil Chemical Patents, Mandi Milbank, Leandro Arechederra, July 26, 2005: US06921794 (51 worldwide citation)

Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and comonomer between copolymer chains. Further, ...


Joseph D Domine, Jeffrey Valentage, Prasadarao Meka: Ionomer laminates and articles formed from ionomer laminates. ExxonMobil Chemical Patents, Kevin M Faulkner, Leandro Arechederra, Shawn H Foster, July 29, 2008: US07405008 (34 worldwide citation)

The present invention includes a laminate and formation of a laminate having at least one layer of an ionomer and at least one layer of an acid polymer or blend of acid polymer and a thermoplastic polyolefin that can be thermoformed to form a shaped laminate. The shaped laminate can then be contacte ...

Agapios Kyriacos Agapiou, David Michael Glowczwski: Polymerization process using metallocene catalyst systems. Univation Technologies, Kevin M Faulkner, Leandro Arechederra, July 17, 2007: US07244795 (33 worldwide citation)

The present invention relates to a polymerization process using improved metallocene catalyst systems. Specifically, the catalyst systems of the present invention relate to a metallocene compound having optimized metals loading and activator concentration, and demonstrate improved operability and pr ...

Christopher L Curry, Sudhin Datta: Elastic blends of semicrystalline propylene polymers and high glass transition temperature materials. ExxonMobil Chemical Patents, Leandro Arechederra, January 10, 2006: US06984696 (33 worldwide citation)

Compositions are provided having from 70 wt % to 95 wt % of a polymer selected from homopolymers and random copolymers of propylene and from 5 wt % to 30 wt % of a miscible hydrocarbon resin with a glass transition temperature greater than 20° C. The polymer has a heat of fusion of less than 50 J/g, ...

Rex Eugene Murray, Arnold M Harrison: Imino-amide catalysts for olefin polymerization. Univation Technologies, Kevin M Faulkner, Leandro Arechederra, April 3, 2007: US07199255 (31 worldwide citation)

The present invention provides a catalyst precursor, a catalyst system comprising the precursor, and a polymerization method using the catalyst system, an embodiment of the precursor is selected from the following structures: wherein T is a bridging group; M is selected from Groups 3 to 13 atoms, an ...

Aspy K Mehta, Michael C Chen, James J McAlpin, Anthony N Speca, Kelly Tormaschy, Chon Y Lin: Propylene polymers for films. ExxonMobil Chemical Patents, Paige Schmidt, Kevin M Faulkner, Leandro Arechederra, June 10, 2003: US06576306 (30 worldwide citation)

This invention relates generally to crystalline propylene polymers, to methods for their production and to methods for their use in film applications. Specifically, this invention relates to crystalline propylene polymers comprising both propylene homopolymer and propylene copolymer. The composition ...

Ronald Dean Garton, Matthew Findlay, Krishnan Sankaranarayanan, Arie Van Vliet: Internal loop reactor and Oxo process using same. ExxonMobil Chemical Patents, Andrew B Griffs, Leandro Arechederra, January 25, 2011: US07875254 (27 worldwide citation)

The invention relates to improvements in internal loop reactors. The reactor of the invention is characterized by a plurality of cooling tubes which form the annulus between the riser and the downcomer path of said internal loop reactor. The reactor also provides improvements in hydroformylation rea ...