· August 22, 1946
Establishment of Seoul National University by national decree, including the Graduate School and nine colleges. The College of Engineering was launched with 10 departments, one of which was the Department of Chemical Engineering.
· March 13, 1964
Establishment of the Departments of Applied Chemistry, Applied Physics, and Applied Chemical Engineering.
· February 28, 1975
Reorganization: The Departments of Applied Chemistry, Applied Physics, and Applied Chemical Engineering were dissolved.
Establishment of the Department of Industrial Chemistry.
· October 10, 1995
The Departments of Industrial Chemistry, Fiber and Polymer Engineering, and Chemical Engineering were merged into a single unit.
Recruitment was unified under the name “Department of Chemical Engineering.”
· September 10, 1998
The disciplines of Industrial Chemistry, Fiber and Polymer Engineering, and Chemical Engineering were reorganized into two departments: the Department of Chemical Engineering and the Department of Fiber and Polymer Engineering.
· February 28, 2005
The Department of Chemical Engineering was officially renamed the Department of Chemical and Biological Engineering.