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Edith Marie Flanigen (born January 28, 1929) is a noted American chemist, known for her work on synthesis of
emeralds Emerald is a gemstone and a variety of the mineral beryl (Be3Al2(SiO3)6) colored green by trace amounts of chromium or sometimes vanadium.Hurlbut, Cornelius S. Jr. and Kammerling, Robert C. (1991) ''Gemology'', John Wiley & Sons, New York, p. ...
, and later
zeolite Zeolites are microporous, crystalline aluminosilicate materials commonly used as commercial adsorbents and catalysts. They mainly consist of silicon, aluminium, oxygen, and have the general formula ・y where is either a metal ion or H+. These p ...
s for
molecular sieve A molecular sieve is a material with pores (very small holes) of uniform size. These pore diameters are similar in size to small molecules, and thus large molecules cannot enter or be adsorbed, while smaller molecules can. As a mixture of molecu ...
s at
Union Carbide Union Carbide Corporation is an American chemical corporation wholly owned subsidiary (since February 6, 2001) by Dow Chemical Company. Union Carbide produces chemicals and polymers that undergo one or more further conversions by customers befo ...
.


Early life and education

Edith Marie Flanigen was born January 28, 1929 in
Buffalo, New York Buffalo is the second-largest city in the U.S. state of New York (behind only New York City) and the seat of Erie County. It is at the eastern end of Lake Erie, at the head of the Niagara River, and is across the Canadian border from Sou ...
. She and her two sisters, Joan and Jane, were introduced to chemistry by their high school teacher. The three sisters all went on to study chemistry at
D'Youville College D'Youville University (D'Youville or DYU) is a private university in Buffalo, New York. It was founded as D'Youville College in 1908 and named by the Grey Nuns after the patroness saint Marie-Marguerite d'Youville. As of Fall 2020 D'Youville Co ...
. Edith Flanigen graduated class president and valedictorian. Joan and Edith both went on to receive master's degrees in chemistry in inorganic physical chemistry at Syracuse University in 1952. In 2008, Syracuse awarded her an honorary doctorate.


Career

In 1952, Edith Flanigen joined the
Union Carbide Union Carbide Corporation is an American chemical corporation wholly owned subsidiary (since February 6, 2001) by Dow Chemical Company. Union Carbide produces chemicals and polymers that undergo one or more further conversions by customers befo ...
company. Her job at first was the identification, purification and extraction of different silicone polymers. In 1956, she moved to the molecular sieves group. In 1973, she was the first woman at Union Carbide to be named corporate research fellow, and in 1986, senior corporate research fellow. She was moved to UOP (a joint venture between Union Carbide and Allied Signal) in 1988, where she was named senior research fellow. Flanigen was promoted to UOP Fellow in 1991. Edith Flanigen retired from UOP 1994. Following her career at UOP, and through at least 2004, Edith Flanigen remained active professionally, including as a consultant with UOP. In her 42-year career associated with
Union Carbide Union Carbide Corporation is an American chemical corporation wholly owned subsidiary (since February 6, 2001) by Dow Chemical Company. Union Carbide produces chemicals and polymers that undergo one or more further conversions by customers befo ...
, Edith Flanigen invented more than 200 different synthetic substances, authored or co-authored over 36 publications, and was awarded at least 109 patents.


Chemistry

240 px, Structure of silicalite, a form of silicon dioxide discovered by Flanigan et al. In 1956 Flanigen began working on molecular sieves. Molecular sieves are crystal compounds with molecular sized pores that can filter or separate very complex substances. Edith Flanigen is best known as the inventor of zeolite Y, a specific molecular sieve. Zeolite Y was a certain type of molecular sieve that could refine petroleum. Zeolite Y surpassed Zeolite X before it. When refining " crude oil", or petroleum, it must be separated into all of its different parts, or
fractions A fraction (from la, fractus, "broken") represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight ...
. Gasoline is one of the many fractions that come from refining petroleum. Flanigen's
zeolites Zeolites are microporous, crystalline aluminosilicate materials commonly used as commercial adsorbents and catalysts. They mainly consist of silicon, aluminium, oxygen, and have the general formula ・y where is either a metal ion or H+. These p ...
are used as
catalysts Catalysis () is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst (). Catalysts are not consumed in the reaction and remain unchanged after it. If the reaction is rapid and the catalyst recyc ...
, or a substance that enhances chemical reactions. Zeolite Y is a catalyst that enhances the amount of gasoline fractioned from petroleum, making refining petroleum safer and more productive. In addition to her work on molecular sieves, Flanigen also co-invented a synthetic emerald, which Union Carbide produced and sold for many years. The emeralds were used mainly in masers (predecessors to lasers) and were even used in jewelry for a time, in a line marketed as the "Quintessa Collection."


Honors and awards

Flanigen has been the recipient of many awards and honors. She was, for example, the first female recipient of the
Perkin Medal The Perkin Medal is an award given annually by the Society of Chemical Industry (American Section) to a scientist residing in America for an "innovation in applied chemistry resulting in outstanding commercial development." It is considered the ...
in 1992. She was also inducted into the
National Inventors Hall of Fame The National Inventors Hall of Fame (NIHF) is an American not-for-profit organization, founded in 1973, which recognizes individual engineers and inventors who hold a U.S. patent of significant technology. Besides the Hall of Fame, it also oper ...
in 2004. In 2014, the Edith Flanigen Award was created by the Collaborative Research Centre at
Humboldt University of Berlin Humboldt-Universität zu Berlin (german: Humboldt-Universität zu Berlin, abbreviated HU Berlin) is a German public research university in the central borough of Mitte in Berlin. It was established by Frederick William III on the initiative ...
. The award is to be given annually to an outstanding female scientist at the early stage of her career. The first award was given to Natacha Krins for her work at the University of Paris. In 2012, Flanigen was named recipient of the National Medal of Technology and Innovation. On November 20, 2014,
President Barack Obama Barack Hussein Obama II ( ; born August 4, 1961) is an American politician who served as the 44th president of the United States from 2009 to 2017. A member of the Democratic Party, Obama was the first African-American president of the ...
presented Flanigen with the National Medal of Technology and Innovation for her contributions to science.


Awards

*1991 Chemical Pioneer Award from the
American Institute of Chemists The American Institute of Chemists (AIC) is an organization founded in 1923 with the goal of advancing the chemistry profession in the United States. The institute is known for its yearly awards recognizing contributions of individuals in this fi ...
*1992
Perkin Medal The Perkin Medal is an award given annually by the Society of Chemical Industry (American Section) to a scientist residing in America for an "innovation in applied chemistry resulting in outstanding commercial development." It is considered the ...
- Edith M. Flanigen was the first female recipient of the prestigious
Perkin Medal The Perkin Medal is an award given annually by the Society of Chemical Industry (American Section) to a scientist residing in America for an "innovation in applied chemistry resulting in outstanding commercial development." It is considered the ...
. *1993 Garvan Medal *2004
National Inventors Hall of Fame The National Inventors Hall of Fame (NIHF) is an American not-for-profit organization, founded in 1973, which recognizes individual engineers and inventors who hold a U.S. patent of significant technology. Besides the Hall of Fame, it also oper ...
*2004 Lemelson–MIT Lifetime Achievement Award *2012 Edith M. Flanigen Honeywell invitational lecture in material science series, inaugurated October 2012 *2012 National Medal of Technology and Innovation


See also

*
Timeline of women in science This is a timeline of women in science, spanning from ancient history up to the 21st century. While the timeline primarily focuses on women involved with natural sciences such as astronomy, biology, chemistry and physics, it also includes women f ...


Notes


References

* * * * * * * * * * * * {{DEFAULTSORT:Flanigen, Edith M. 1929 births Living people 20th-century American inventors 21st-century American chemists Women inventors Lemelson–MIT Prize Syracuse University alumni Recipients of the Garvan–Olin Medal American women chemists Members of the United States National Academy of Engineering D'Youville College alumni 21st-century American women scientists