Interpore International: The Irvine manufacturer of synthetic...

Interpore International: The Irvine manufacturer of synthetic bone graft materials posted first-quarter net income of $175,000, or 2 cents a share, down from the $438,000, or 6 cents a share, for the comparable period of 1995.

The company said the lower profit was due to increased selling and marketing expenses for the company’s new international sales management group and additions to its domestic sales force. Sales rose 19% to $5 million from $4.2 million.