Warner-Lambert, American Home Products announce merger plans December 01, 1999 X LinkedIn Email Show more sharing options Copy Link URLCopied! Print X LinkedIn Email Warner-Lambert and American Home Products (AHP) announced on November 4 that they intend to combine in what they referred to as a merger of equals. 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