Inventor · disambiguated record
Robert Guglielmetti
Also filed as: GUGLIELMETTI ROBERT · GUGLIELMETTI ROBERT J
15 granted patents·732 citations·filing 1975–2000
95Inventor score
Top patents by PatentIndex Score
15 records- 0198US5139707AIndolino-spiroquinoxalino oxazine photochromatic compounds, methods for their preparation, photochromic compositions and articles containing such compoundsESSILOR INT·Filed 1990·Granted Aug 18, 1992·97 cites·19 claims
- 0295US6281366B1Photochromic [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
- 0395US4287337ASpiropyran compounds of piperidine or thiazine ringsFRANCE ETAT·Filed 1979·Granted Sep 1, 1981·87 cites·6 claims
- 0493US5631720AOphthalmic lenses with heterocyclic chromene compoundsESSILOR INT·Filed 1996·Granted May 20, 1997·25 cites·8 claims
- 0591US6136968AHomoazaadamantane spirooxazines and their use in the field of ophthalmic opticsTRANSITIONS OPTICAL INC·Filed 1997·Granted Oct 24, 2000·74 cites·17 claims
- 0691US6019914APhotochromic spirooxazine compounds, their use in the field of ophthalmic opticsESSILOR INT·Filed 1997·Granted Feb 1, 2000·85 cites·19 claims
- 0789US5114621AIndolino-spiro-oxazine photochromic compounds with five-membered rings, method for their preparation, photochromic compositions and articles containing such compoundsESSILOR INT·Filed 1990·Granted May 19, 1992·45 cites·11 claims
- 0885US6312811B1Photochromic 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
- 0983US5233038APhotochronic compounds of the indolino-spiro-benzoxazine typeESSILOR INT·Filed 1991·Granted Aug 3, 1993·28 cites·12 claims
- 1080US5529725ASpirooxazines and use thereof in the field of ophthalmic opticsESSILOR INT·Filed 1994·Granted Jun 25, 1996·26 cites·12 claims
- 1179US5527911AHeterocyclic chromenesESSILOR INT·Filed 1993·Granted Jun 18, 1996·17 cites·3 claims
- 1278US5936016APhotochromic compounds and methods for their useESSILOR INT·Filed 1995·Granted Aug 10, 1999·28 cites·15 claims
- 1375US5604280ARing spiro [fluorene-[2H]-benzopyranes] and their use in ophthalmic opticsESSILOR INT·Filed 1995·Granted Feb 18, 1997·25 cites·18 claims
- 1471US4052218ANovel 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
- 1559US5754271AHeterocyclic chromenes and their use in the field of ophthalmic opticsESSILOR INT·Filed 1996·Granted May 19, 1998·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →