DuPont posted a higher-than-expected quarterly profit as sales rose in all six business units and across the globe.

During the third quarter, the company earned $367 million, or 40 cents per share, compared with $409 million, or 45 cents per share, a year earlier.

Analysts on average expected earnings of 34 cents per share, according to Thomson Reuters I/B/E/S.

Revenue rose 14.8% to $7 billion. Analysts expected $6.72 billion.

For 2010, DuPont now expects to earn $3.10 per share, excluding items, up from a previous estimate of $2.90 to $3.05. Analysts were expecting $3.04.