1
Barry Freel, Robert G Graham, RĂ©gi Giroux: Natural resin formulations. Ensyn Renewables, Brinks Hofer Gilson & Lione, January 18, 2005: US06844420 (32 worldwide citation)

This invention is directed to a method of preparing a natural resin by liquefying wood, bark, forest residues, wood industry residues, or other biomass using rapid destructive distillation (fast pyrolysis). Fast pyrolysis produces both vapors and char from biomass, and following removal of the char ...


2
Barry Freel: Rapid thermal conversion of biomass. Ensyn Renewables, Orrick Herrington & Sutcliffe, March 15, 2011: US07905990 (31 worldwide citation)

A rapid thermal conversion process for efficiently converting wood, other biomass materials, and other carbonaceous feedstock (including hydrocarbons) into high yields of valuable liquid product, e.g., bio-oil, on a large scale production. Biomass material, e.g., wood, is feed to a conversion system ...


3
Barry Freel, Jerry F Kriz, Doug Clarke: Modified thermal processing of heavy hydrocarbon feedstocks. Ivanhoe Energy, Orrick Herrington & Sutcliffe, August 11, 2009: US07572362 (27 worldwide citation)

The present invention is directed to the upgrading of heavy petroleum oils of high viscosity and low API gravity that are typically not suitable for pipelining without the use of diluents. It utilizes a short residence-time pyrolytic reactor operating under conditions that result in a rapid pyrolyti ...


4
Barry Freel, Robert G Graham: Bio-oil preservatives. Ensyn Technologies, Brinks Hofer Gilson & Lione, November 26, 2002: US06485841 (27 worldwide citation)

The present invention is directed to bio-oil compositions, derived from fast pyrolysis of wood feedstocks, that exhibit properties of a preservative. The bio-oil may be used alone, in formulations with either a waterbased, or an oilbased, or a combination of a water based and an oil based preservati ...


5
Regi Giroux, Barry Freel, Robert Graham: Natural resin formulations. Ensyn Group, Brinks Hofer Gilson & Lione, April 29, 2003: US06555649 (23 worldwide citation)

This invention is directed to a method of preparing a natural resin by liquefying wood, bark, forest residues, wood industry residues, or other biomass using rapid destructive distillation (fast pyrolysis). Fast pyrolysis produces both vapours and char from biomass, and following removal of the char ...


6
Barry Freel, Jerry F Kriz, Doug Clarke: Modified thermal processing of heavy hydrocarbon feedstocks. Ivanhoe Energy, Orrick Herrington & Sutcliffe, August 11, 2009: US07572365 (19 worldwide citation)

The present invention is directed to the upgrading of heavy petroleum oils of high viscosity and low API gravity that are typically not suitable for pipelining without the use of diluents. It utilizes a short residence-time pyrolytic reactor operating under conditions that result in a rapid pyrolyti ...


7
Paolo Palmas, Paul Alvin Sechrist, Daniel N Myers, Sid Kulprathipanja, Stanley Joseph Frey, Barry Freel: Char-handling processes in a pyrolysis system. Ensyn Renewables, Jones Day, August 6, 2013: US08499702 (19 worldwide citation)

Char-handling processes for controlling overall heat balance, ash accumulation, and afterburn in a reheater are provided. Carbonaceous biomass feedstock is pyrolyzed using a heat transfer medium forming pyrolysis products and a spent heat transfer medium. The spent heat transfer medium is separated ...


8
Barry Freel, Robert G Graham: Products produced form rapid thermal processing of heavy hydrocarbon feedstocks. Ivanhoe Energy, Orrick Herrington & Sutcliffe, September 18, 2007: US07270743 (17 worldwide citation)

The present invention is directed to the upgrading of heavy hydrocarbon feedstock that utilizes a short residence pyrolytic reactor operating under conditions that cracks and chemically upgrades the feedstock. The process of the present invention provides for the preparation of a partially upgraded ...


9
Barry Freel, Geoffrey Hopkins: Mitigation of deposits and secondary reactions in thermal conversion processes. Ensyn Renewables, Jones Day, May 20, 2014: US08726443 (10 worldwide citation)

Described herein are systems and methods for reducing cumulative deposition and unwanted secondary thermal reactions in pyrolysis and other thermal conversion processes. In an embodiment, a system comprises a device, referred to as a reamer, for removing product deposits between thermal conversion a ...


10
Barry Freel, Geoffrey Hopkins: Mitigation of deposits and secondary reactions in thermal conversion processes. Ensyn Renewables, Orrick Herrington & Sutcliffe, January 17, 2012: US08097090 (10 worldwide citation)

Described herein are systems and methods for reducing cumulative deposition and unwanted secondary thermal reactions in pyrolysis and other thermal conversion processes. In an embodiment, a system comprises a device, referred to as a reamer, for removing product deposits between thermal conversion a ...



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