Title: Duncan J MacQuarrie: Innovator in Polymer Chemistry Introduction Duncan J MacQuarrie is a notable inventor based in Cheadle, GB. He has made significant contributions to the field of polymer chemistry, particularly in the development of processes for inhibiting scale. With a total of 2 patents to his name, MacQuarrie's work has had a meaningful impact on various industrial applications. Latest Patents MacQuarrie's latest patents focus on the polymerization of maleic anhydride. The first patent describes a process for inhibiting scale using maleic anhydride polymerized in a specific manner. The polymaleic anhydride produced has a weight average molecular weight by gel permeation chromatography of between 450 and 800, with a polydispersivity of between 1.0 and 1.15. This is achieved by polymerizing maleic anhydride using a peroxide initiator in an amount not greater than 10% by weight of the anhydride, in a dilute solution in o-xylene or a substituted o-xylene. The second patent reiterates similar details regarding the polymerization of maleic anhydride, emphasizing the same molecular weight and polydispersivity parameters. Career Highlights Throughout his career, Duncan J MacQuarrie has worked with prominent companies such as FMC Corporation and Ciba-Geigy Corporation. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and contribute to innovative solutions in the industry. Collaborations MacQuarrie has collaborated with various professionals in his field, including his coworker Jan Rideout. These collaborations have likely enriched his work and led to advancements in his research and patent applications. Conclusion Duncan J MacQuarrie's contributions to polymer chemistry through his patents and career experiences highlight his role as an innovator in the field. His work continues to influence the industry and pave the way for future advancements.

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Duncan J MacQuarrie