Inventor · disambiguated record
Michel Frigoli
Also filed as: FRIGOLI MICHEL
2 granted patents·180 citations·filing 1999–2000
71Inventor score
Files withESSILOR INT2
Top patents by PatentIndex Score
2 records- 0195US6281366B1Photochromic [3H]naphtho[2,1-b]pyran compounds containing an acetylenic substituent, process for their manufacture, and photochromic materials and articles obtainedESSILOR INT·Filed 2000·Granted Aug 28, 2001·93 cites·15 claims
- 0285US6312811B1Photochromic naphtho [2,1-b]pyran compounds containing bithienyl or terthienyl substituents, process for their manufacture, and photochromic materials and articles obtainedESSILOR INT·Filed 1999·Granted Nov 6, 2001·87 cites·12 claims
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