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ManKit NG, Glen Barry Brons, Matthew W Holtcamp, Donna J Crowther, Patrick Brant, Hong Cheng, Clarence Chase: Ring opening cross metathesis of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes. EXXONMOBIL RESEARCH AND ENGINEERING COMPANY, Glenn T Barrett, Andrew T Ward, May 10, 2016: US09334460 (2 worldwide citation)

A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes functionalizing a polymer having a vinyl chain end to obtain a terminal group having one or more anhydride units, and reacting the anhydride units with a polyamine. Meth ...


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ManKit Ng, Mohsen Shahmirzadi Yeganeh, Timothy Andrew Barckholtz, Glen Barry Brons, Hong Cheng, Geoffrey Marshall Keiser, Donna J Crowther, Patrick Brant, David T Ferrughelli, Clarence Chase, Emmanuel Ulysse, Edward A Lemon: Functionalized polymers containing polyamine succinimide for antifouling in hydrocarbon refining processes. EXXONMOBIL RESEARCH AND ENGINEERING COMPANY, Glenn T Barrett, Andrew T Ward, September 13, 2016: US09441171 (2 worldwide citation)

A multipurpose chemical additives (MPC) is disclosed to mitigate fouling in hydrocarbon refinery processes, such as in a heat exchanger. A method for reducing fouling of a hydrocarbon is also disclosed that includes (i) providing a crude hydrocarbon for a refining process; and (ii) adding an additiv ...


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ManKit Ng, Donna J Crowther, Glen Barry Brons, Hong Cheng, Patrick Brant, Clarence Chase: Hydrohalogenation of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes. EXXONMOBIL RESEARCH AND ENGINEERING COMPANY, Glenn T Barrett, Andrew T Ward, December 15, 2015: US09212326

A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes hydrohalogenating a polymer having a vinyl chain end to obtain a halogen-containing terminal group, and reacting the terminal group with a polyamine. Methods of using th ...