Simpson Thacher & Bartlett produces chemical reaction March 01 1999 X LinkedIn Email Show more sharing options Copy Link URLCopied! Print X LinkedIn Email Chemical company Rohm & Haas is acquiring rival firm Morton International for $4.6 billion. The purchase will be paid two-thirds in cash and one-third in stock. Unlock this content. The content you are trying to view is exclusive to our subscribers. To unlock this content: Take a Free Trial or Login