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Edith Flanigen, Chemist Known for Zeolites, Dies at 96

lite News Desk 2 min read

At a glance

  • Edith Marie Flanigen died on January 6, 2026, in Buffalo, New York
  • She developed synthetic emeralds and molecular sieves
  • Her work improved oil refining and water purification

Edith Marie Flanigen, an American chemist recognized for her contributions to industrial chemistry, died on January 6, 2026, at the age of 96 in Buffalo, New York.

Flanigen was known for her work on synthetic emeralds and the development of molecular sieves, including zeolites, during her career at Union Carbide and later at UOP. Her research led to advancements in several industrial applications, such as oil refining, water treatment, and environmental processes.

She began her professional career at Union Carbide in 1952, initially focusing on silicone polymers. By 1956, she had shifted her research to molecular sieves, which later became a central part of her scientific achievements.

Throughout her 42-year career, Flanigen invented over 200 synthetic materials, published more than 36 scientific papers, and was granted at least 109 patents. Her inventions contributed to improvements in industrial efficiency and environmental management.

What the numbers show

  • Flanigen held at least 109 patents
  • She authored over 36 publications
  • Her career at Union Carbide and UOP spanned 42 years

In 1973, Flanigen became the first woman at Union Carbide to be named Corporate Research Fellow, and she was promoted to Senior Corporate Research Fellow in 1982. These appointments marked notable milestones in her professional advancement within the company.

After retiring in 1994, Flanigen continued to serve as a consultant for UOP, remaining active in the field of chemistry into her later years. Her ongoing involvement contributed to further developments in molecular sieve technology.

Flanigen received several prestigious awards during her lifetime, including the Perkin Medal in 1992, the Garvan-Olin Medal in 1993, and induction into the National Inventors Hall of Fame in 2004. She was also honored with the Lemelson-MIT Lifetime Achievement Award and the National Medal of Technology and Innovation.

Her legacy includes advancements in chemical engineering and a record of professional recognition for her scientific work. Flanigen's contributions continue to influence industrial and environmental applications worldwide.

* This article is based on publicly available information at the time of writing.

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