REVERSIBLE THERMOCHROMIC AND PHOTOCHROMIC INK PENS AND MARKERS
- Application ID: EP13701167
- Status: █ GRANT OF PATENT INTENDED
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- 09.01.2012 - Priority Date (US 201261584398P)
- 18.07.2013 - Publication A1 (WO2013106420)
- 19.11.2014 - Publication A1 (EP2802631)