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Yesterday, Minnesota Mining and Manufacturing Co. (3M Company) announced that it has filed to the United States related to the indictment, charged with a number of laptop laptop battery manufacturers of lithium batteries, as well as laptop manufacturers to a violation of its patent a lithium battery.
The defendant companies, including Sony, Panasonic, Lenovo, etc., several well-known enterprises.

3M, said the company also has called for the United States International Trade Commission ban on imports of the allegedly infringing use of these lithium batteries and lithium batteries laptop. However, 3M did not disclose whether the company asked Acer BTP-550P Battery manufacturers of these alleged payments, as well as the amount of compensation.

Key: Battery Materials infringement

The focus of the infringement cases inside a lithium battery cathode material. 3M company said the material world there are about 700 million U.S. dollars in the market. The company stressed that because of their use in the invention of this material, makes the lithium batteries to extend the use of time, as well as difficult to overheating.

Lithium batteries overheating is because there is hidden, and Sony laptop battery manufacturers in the last year a massive laptop battery recall. Sony is paying for this recall of 440 million U.S. dollars, the company recalled a total of 9.6 million laptop batteries, becoming the biggest consumer electronics recall BTP-44A3 Battery in the history.

Plaintiff: research of this technology is not easy to

"We have spent 10 years of research, development of the lithium battery technology." 3M Company spokesman Donald Foley Ming said, "12 months ago, we only this technology for commercial means."

Foley Ming stressed: "For us, to join the technology is still to promote the product stage, we have also invested in this technology, plans to use the technology of lithium batteries worldwide volume production."

According to 3M in 2005 and published in 2006, a patent, the company has conductive salt lithium battery technology applied to them, this conductive by adding salt to improve the battery Acer BTP-42C1 Battery durability and safety, few signs of overheating.

Defendant: It is not clear the matter

3M, the focus in the indictment referred to the Sony. The company said Sony and its notebook lithium battery manufacturing subsidiary, Sony Electronics Inc. have agreed to 3M without the use of the technology.

Meanwhile, the U.S. lithium battery Acer BTP-63D1 Battery maker CDW Corporation and Total Micro Technologies, 3M Company has also been accused of using this technology. The two companies produced lithium batteries are used in Lenovo's Thinkpad notebooks; BatteriesCom battery for Dell manufacturing companies are also named as defendants, but Dell does not appear in the accused list. In addition, Japan's Hitachi and Panasonic's own use of the allegedly infringing products, lithium batteries, has also been implicated to become the Acer BTP-52EW Battery defendant.

Yesterday, the reporters and the plaintiff company's public relations department contacted 3M China was informed that at present the Chinese side was not clear the prosecution; and Lenovo, Panasonic, Chinese companies have also told reporters that the Chinese side has not been the case on the news; Sony China the company said it has heard the prosecution of the case, as is working with headquarters, inconvenience Acer TravelMate 240 Battery comment