Ray Putnam Dinsmore (24 April 1893 – 26 October 1979[1]) was a rubber scientist, known for pioneering the use of rayon as a reinforcing material in auto tires. In 1928, Dinsmore patented the first water-emulsion synthetic rubber in the United States.[2] The material later became a staple of the rubber industry during the World War II shortage of natural rubber. Dinsmore worked for the Goodyear Tire and Rubber Company and developed Chemigum, an early synthetic rubber.[3] Dinsmore hired noted rubber physicist Samuel D. Gehman. Dinsmore served as chairman of the Rubber Division of the American Chemical Society in 1927. He received the 1947 Colwyn medal[4] and was named the 1955 Charles Goodyear Medalist.

Dinsmore was educated at the Massachusetts Institute of Technology, completing a degree in chemical engineering at the age of 21.[5] He entered the rubber industry in 1914.[6] He was Vice President of Research and Development (1943-1961) and a Member of the Board of Directors (1960-1964) at the Goodyear Tire and Rubber Company.

He died on October 26, 1979.

References

  1. ↑ "Ray Putnam Dinsmore". familysearch.org. Intellectual Reserve, Inc. Retrieved 21 September 2022.
  2. ↑ "GAT Management Newsletter 1979" (PDF).
  3. ↑ "Dr. Ray P. Dinsmore". Summit Memory. Retrieved 10 December 2013.
  4. ↑ "Colwyn Medal award winners". iom3. Retrieved 25 September 2017.
  5. ↑ "Dinsmore: 1955 Goodyear Medalist". Chemical and Engineering News. Vol. 33, no. 42. AMERICAN CHEMICAL SOCIETY. October 17, 1955. p. 4422. doi:10.1021/cen-v033n042.p4422.
  6. ↑ "Ray P. Dinsmore, 86; Pioneer of Synthetics For Use in Auto Tires". New York Times. 27 October 1979. Retrieved 21 September 2022.


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