"purchase for" is correct and usable in written English.
You can use it when talking about buying something for someone else. For example: "John went to the store to purchase groceries for his family."
A first essential purchase for 2012.
Vehicles must be experienced prior to purchase for most shoppers.
transaction will become the largest purchase for Content Partners.
That purchase for nearly $65 million galvanized the Gunners.
And an essential purchase for every sickbed this winter….
They give more food than I purchase for myself.
Beer and wine are included with ticket purchase for all sets; Southern food is also included with ticket purchase for first or second sets.
His first purchase for Liverpool, the Italian Fabio Borini, is ready for action in Boston.
They are available for purchase for political purposes only, under Iowa Code.
Zheng made a note under "Comments": "Hot-dog purchase for kids".
Tickets can be returned to their point of purchase for a refund or exchange.
