Deals of the day-Mergers and acquisitions
(Adds Air Liquide, Bombardier, Monsanto, Intesa Sanpaolo, Martin Currie, Piper Jaffray)
Nov 17 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2100 GMT on Tuesday:
** France's Air Liquide said it had reached a deal to buy U.S. peer Airgas Inc for $143 per share in cash, giving the company a total enterprise value of $13.4 billion ($13.40 billion).
** Marathon Petroleum Corp raised for the second time the cash portion of its offer for U.S. natural gas processor MarkWest Energy Partners LP by $210 million to $1.28 billion, nearly double what it had offered initially.
** Monsanto Co executives are discussing whether the world's largest seed company should try to acquire agrochemical rivals, including top pesticide maker Syngenta AG, Monsanto President Brett Begemann said.