Blackstone Labs analyzes the contents of used motor oil to check how well engines wear over time. Earlier this month, the lab used its vast database of used oil analyses to study whether certain oil ...

Blackstone Laboratories uses only a vial of oil to shine light on your engine’s health. Here’s how it works. Oil analysis is forensic, like dusting your engine for prints. But instead of looking for ...

Stiefel Laboratories announced that private equity funds of The Blackstone Group have agreed to make a $500 mln minority investment in Stiefel Laboratories.

NEW YORK, Aug 9 (Reuters) - Blackstone Group's private equity funds will make a $500 million minority investment in Stiefel Laboratories, the Florida-based pharmaceutical company said on Thursday. The ...