June 21, 2012, 6:54 PM UTC

Cabot Corp. (NYSE: CBT) of Boston has agreed to acquire Norit NV, a Dutch activated carbon company owned by Doughty Hanson & Co. and Euroland Investments. The deal is valued at $1.1 billion.www.norit.com

The Blackstone Group is in talks to sell German plastic films group Kloeckner Pentaplast to hedge fund Strategic Value Partners and junior lenders, according to Reuters. Kloeckner lenders would get made whole on the deal, but Blackstone would lose its remaining €100 million equity position. www.blackstone.com

Cox Target Media has acquired Savings.com, a Los Angeles-based online source of coupons, personalized deals and money-saving experts. No financial terms were disclosed for the deal, which includes London-based sister site Savoo.co.uk. Sellers include U.S. Venture Partners.www.coxtarget.com

Cypress Semiconductor Corp. (Nasdaq: CY) has increased its offer for Colorado Springs-based chipmaker Ramtron International Corp. (Nasdaq: RMTR) from $87.6 million to around $95 million.www.ramtron.com

Federal Signal Corp. (NYSE: FSS) has agreed to sell its technology unit to 3M Co. for $110 million in cash. The business provides hardware and software solutions for electronic toll collection and parking management. www.federalsignal.com

Invensys PLC (NYSE: ISYS) said that it has ended preliminary sale talks with several possible buyers, including Emerson Electric (NYSE: EMR), after no actual offer materialized. Invensys saw its market cap top £2 billion when news of a possible deal was first reported. www.invensys.com

Sinopec of China may offer to buy billions of dollars worth of Chesapeake Energy (NYSE: CHK) assets, according to the FT. www.chk.com

General Atlantic has agreed to sell digital ad agency AKQA to WPP Group for approximately $540 million. General Atlantic had acquired a majority stake in AKQA in 2007, and originally put it on the auction block in late 2010. www.akqa.com

Kohlberg Kravis Roberts & Co. has put Australian mining logistics company Bis Industries Ltd. on the block for approximately $1.8 billion, as first reported by Basis Point. www.kkr.com

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