Page 35 - Encyclopedia of Chemical Compounds 3 Vols

Timeline of the Development of Chemical Compounds

1955 • Proctor & Gamble releases the first toothpaste contain-
Ò
ing stannous fluoride, Crest .
Mid 1950s • Wham-O creates the hula-hoop—a ring of plastic
that is made with low-grade polyethylene.

1956 • British chemist Dorothy Hodgkin determines the che-
mical structure of cyanocobalamin.

1958 • Scientist W. Barnes of the chemical firm T. & H. Smith
in Edinburgh, Scotland, discovers denatonium benzoate.

Early 1960s • Ibuprofen is developed by researchers at the
Boots Company, a British drug manufacturer.

1960s • Triclosan becomes a common ingredient in soaps and
other cleaning projects.

1960s • MTBE is first synthesized by researchers at the
Atlantic Richfield Corporation as an additive designed
to increase the fuel efficiency of gasoline.

1962 • Amoxicillin is discovered by researchers at the Beecham
pharmaceutical laboratories.

1965 • Aspartame is discovered accidentally by James M.
Schlatter.

1963
U.S. President 1975
John F. Kennedy Vietnam War
is assassinated. ends.
. .

1950 1960 1970

xxxiv CHEMICAL COMPOUNDS