February 2009
A group of Italian investors acquires Borealis business and operations in Castellanza, Italy, renaming the company into Chemisol Italia Srl.

"We are very excited to acquire and further develop this melamine based resins and additives business based in Lombardy, Italy," explains Gianluca Bagatti , CEO and owner of Chemisol Italia. "AMI Italy has a reliable customer base, with good opportunities for further production expansion and increased product offer."
2007
OMV, Central Europe's leading oil and gas group, together with its core shareholder IPIC, incorporates AMI Agrolinz Melamine International (AMI), into Borealis, second largest European producer of polyethylene (PE) and polypropylene (PP). Borealis will provide excellent support for AMI's further international expansion.
2005
Hiperadd sales reached 1400 ton: AMI becomes one of the leading companies in this business.
1998
Additives for paper impregnation and board production are included as standard products.
1990
Austrian company Chemie Linz (OMV group), one of the leading producers of melamine and plant nutrients, acquires Montedison's Castellanza chemical park and changes its name in Agrolinz Melamine International Italia Srl (AMI-I).
1966 – 1990
Montedison becomes the most important chemical company in Italy. Product range includes among melamine and urea powder resins. A top level research laboratory (LARAC) involved in developing projects supported by Italian Government.
1966
Edison, leader in chemical products, acquires Montecatini and changes the name into Montedison, that develops projects supported by Italian Government.
1901 – 1966
Montecatini founded a chemical company in Castellanza.