SEATTLE--(BUSINESS WIRE)--ZymoGenetics, Inc. (NASDAQ:ZGEN) today reported substantially improved financial results for the quarter ended June 30, 2010. For the second quarter of 2010, the company’s net loss declined to $3.8 million, or $0.04 per share, a $23.2 million improvement from the $27.0 million loss, or $0.39 per share, reported for the second quarter of 2009. The improvement resulted from higher revenues as well as reduced operating expenses.