3i, Europe's largest quoted private equity company, has made 13 times its money on the break-up of Cannon Avent, a UK-based producer of baby care products and car mats.

Charterhouse Capital Partners, a rival firm, is buying the Avent baby care division to in a deal worth £300m (€446m). The Cannon car mat business will be retained by the Atkin family, owner-managers of the business.