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They describe the procedure in Science.

Did they patent the method? I can't find anything on Kaners Google Scholar page, but maybe somebody knows more.

Essentially, can we start a business and sell graphene based on their method?

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didn't know it exists. And yes, I found it on a coauthors page. –  TMOTTM May 11 '13 at 15:01
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Yes they did: United States Patent Application 61/606,637

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That is the number of a provisional application. If that is all there is it is not patented yet and there is no way to tell if a patent will ever issue. –  George White May 11 '13 at 16:55
    
Can this provisional application be viewed? I tried to search for patents, but I'm unable to figure out where to enter what. –  TMOTTM May 13 '13 at 8:41
    
Should work on Public PAIR portal.uspto.gov/pair/PublicPair however it is typically Government-issued-bureaucratically finicky and requires numbers to be entered by some incomprehensible logic for commas, slashes, etc - I couldn't find it by this application number. –  Ron J. May 13 '13 at 13:13
    
I confirm it's not findable... How demotivating. –  TMOTTM May 13 '13 at 15:22
    
As I said, it is a provisional application. They are not ever technically "published" but do become viewable if a non-provisional application associated with them is published or results in a granted patent. The 61/ series is what lets you know it is a provisional application. Even a non-provisional application might not be published for 18 months from its earliest priority date. –  George White May 13 '13 at 15:50
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