Inventor · disambiguated record
Andre Samat
Also filed as: SAMAT ANDRE
11 granted patents·474 citations·filing 1975–2000
93Inventor score
Top patents by PatentIndex Score
11 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
- 0293US5631720AOphthalmic lenses with heterocyclic chromene compoundsESSILOR INT·Filed 1996·Granted May 20, 1997·25 cites·8 claims
- 0391US6136968AHomoazaadamantane spirooxazines and their use in the field of ophthalmic opticsTRANSITIONS OPTICAL INC·Filed 1997·Granted Oct 24, 2000·74 cites·17 claims
- 0491US6019914APhotochromic spirooxazine compounds, their use in the field of ophthalmic opticsESSILOR INT·Filed 1997·Granted Feb 1, 2000·85 cites·19 claims
- 0585US6312811B1Photochromic 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
- 0680US5529725ASpirooxazines and use thereof in the field of ophthalmic opticsESSILOR INT·Filed 1994·Granted Jun 25, 1996·26 cites·12 claims
- 0779US5527911AHeterocyclic chromenesESSILOR INT·Filed 1993·Granted Jun 18, 1996·17 cites·3 claims
- 0878US5936016APhotochromic compounds and methods for their useESSILOR INT·Filed 1995·Granted Aug 10, 1999·28 cites·15 claims
- 0971US4052218ANovel spiro-heterocyclic compounds, their preparation, and use thereof in a thermographic recording materialPHYSICOCHIMIE APPLIQUEE I S S·Filed 1975·Granted Oct 4, 1977·9 cites·7 claims
- 1059US5754271AHeterocyclic chromenes and their use in the field of ophthalmic opticsESSILOR INT·Filed 1996·Granted May 19, 1998·6 cites·9 claims
- 1154US6107010AMethod for printing on a portable data medium, particularly a smart card, and resulting printed data mediumGEMPLUS CARD INT·Filed 1997·Granted Aug 22, 2000·24 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Andre Samat files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →