The construction giant Inteko, owned by Russia`s richest woman, has put in a request for 49 billion rubles ($1.4 bln) in state guarantees, saying it is unable to refinance its spiraling debt, a leading business daily said. Kommersant said Yelena Baturina, the wife of Moscow Mayor Yury Luzhkov, is offering to hand over part of her company`s assets to the state if the bailout is agreed. The request has been submitted to the Economics Ministry. Baturina, whose personal wealth was estimated by Forbes Magazine last year at $4.2 billion, is believed to have lost a large portion of her wealth in the financial crisis. A large part of Inteko`s debt has formed as a result of stakes bought by the company in major state-controlled companies - gas giant Gazprom, Sberbank, and oil company Rosneft - using bank loans. In 2006 the stakes were valued at $3.15 billion but have since lost much of their value, resulting in large margin calls. Inteko now owes around 34 billion rubles ($970 million) to banks, mainly to Sberbank, Gazprombank, the Bank of Moscow, and VTB. The company says it needs another 15 billion rubles ($428 million) for working capital financing. An Economics Ministry spokesman told Kommersant that the government`s working group set up to examine the financial state of companies listed as strategic organizations will review Inteko`s application for state support by the end of the week. Baturina`s company wants to take out vast new loans to finance the debt, and is asking the state to guarantee the loans. As collateral for what is effectively a huge state bailout, Inteko is offering its real estate, land, and development projects. Baturina, the 45-year-old second wife of the Moscow mayor, set up Inteko in 1991. She has repeatedly faced accusations of using her husband`s position to secure lucrative construction contracts, and has taken several newspapers and journalists to court over corruption allegations, winning every case so far.