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U.S. Grants a Process Patent to Element Six

RAPAPORT... The U.S. Patent & Trademark Office assigned a patented process to Element Six for  a "thick single crystal diamond layer method for making it and gemstones produced from the layer."

According to the abstract, the patent refers to: A layer of single crystal CVD diamond of high quality having a thickness greater than 2 mm. Also provided is a method of producing such a CVD diamond layer.

The patent was filed on March 5, 2007, and issued February 15, 2011, with the patent number 7,887,628.  The patented process named several inventors from the U.K. Inventors listed included Geoffrey Alan Scarsbrook of Ascot,  Philip Maurice Martineau of Littlewick Green,  Barbel Susanne Charlotte Dorn of Bracknell,  Michael Andrew Cooper of Wokingham,   John Lloyd Collins of London, Andrew John Whitehead of Surrey,  Daniel James Twitchen of Sunningdale,  and Ricardo Simon Sussman of Reading.