Official website of the maker of PolyHeme, Northfield Laboratories.

Just last month, he spent $30 million to buy 18 percent of Northfield Laboratories, a company that is trying to develop a commercial blood substitute.

The most advanced hemoglobin product belongs to Northfield Laboratories, which has linked several hemoglobin molecules into what it says is a more durable structure.

The trial attracted criticism because regulators allowed Northfield Laboratories to test PolyHeme on trauma victims without their consent.

It originally began as a military project following the Vietnam war and is being developed by Northfield Laboratories, Inc.

Although Northfield Laboratories came under scrutiny for this trial, enrollment of the 720 patient trial was completed on July 31, 2006.

Northfield Laboratories Releases Summary Observations from Its Elective Surgery Trial ie.

Northfield Laboratories Strongly Disputes Wall Street Journal Story Conclusions.

And rivals like Alliance Pharmaceutical and Northfield Laboratories say they, too, are likely to file applications in the United States or abroad within a year.

Northfield Laboratories, Evanston, Ill., 2.5 million shares.