Aurora Capital Group has acquired Market Track LLC, a Chicago–based provider of promotional intelligence solutions, from Monitor Clipper Equity Partners. No financial terms were disclosed. www.markettrack.com

Cinven, Permira and Liberty Media have made it to the second round of an auction for Polish cable television operator Multimedia, according to Reuters. The deal could be valued at around €800 million.

Sol Trujillo, former head of telecom companies like U.S. West and Orange SA, has tried to interest private equity firms like Blackstone Group and KKR in an acquisition of T-Mobile’s U.S. business, according to Bloomberg. So far he hasn’t gotten any takers for the deal, which could be valued at around $30 billion.

EQT Partners has agreed to acquire UC4 Software Group, an Austria–based provider of IT process automation software, from The Carlyle Group at an enterprise value of €220 million. www.uc4.com

Francisco Partners has invested an undisclosed amount into Therapeutic Research Center, a Stockton, Calif.–based provider of drug therapy recommendations, continuing education, training and data to the healthcare community. www.therapeuticresearch.com

Global Healthcare Partners and Addison Capital Partners have sponsored a recapitalization of MPD Chemicals, a Trevose, Penn.-based specialty chemicals manufacturer. No financial terms were disclosed. www.mpdchemicals.com

Pamplona Capital is in “advanced talks” to buy German specialty chemicals company Ruetgers from Triton Private Equity for more than €600 million, according to Reuters. www.ruetgers.de

WL Ross & Co. has agreed to acquire 4.4 million common shares of Navigator Holdings Ltd. from Lehman Brothers for $110 million, in a deal subject to U.S. Bankruptcy Court approval. WL Ross previously acquired 3.5 shares of Navigator, a provider of seaborne transportation services in the liquified petroleum gas sector. www.wlross.com

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