It appears that there is a patent (filed 2002, published 2003) on "blended tooth... | Hacker News

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		cokernel on Sept 15, 2016 \| parent \| context \| favorite \| on: Show HN: I invented a caffeinated toothpaste It appears that there is a patent (filed 2002, published 2003) on "blended toothpaste formulas and method for manufacture", claiming in part "A toothpaste as defined in claim 1 wherein the stimulant is caffeine". https://www.google.com/patents/US20030147817 I don't know how to read patents, so I don't know if this is a relevant patent or not.

pziddy on Sept 16, 2016 [–]

That's an application. Hasn't been granted yet-- and it's been a while.

IANAL.

cokernel on Sept 16, 2016 | [–]

Thanks. I'm guessing that "Publication type: Application" in the header is the clue I should have noticed.

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