| 1971 | Pilot plant started for sample sales of ALPOLIC®. |
| 1974 | The first full-scale production line started as a division of Mitsubishi Chemical Corporation. |
| 1981 | A-LOOK started |
| 1985 | AL-LEADER started. |
| 1991 | Mitsubishi Chemical America started the production of ALPOLIC®. |
| 1998 | ALPOLIC®/fr started. |
| 2000 | ALPOLIC® business was transferred to Mitsubishi Chemical Functional Products, Inc. |
| 2002 | TCM, SCM started. |
| 2008 | ALPOLIC® business was transferred to Mitsubishi Plastics, Inc. |