Patent assignee · FR · COMPANY

Corning S.A.

28Patents
0Active
28Granted
31Portfolio score

Filing activity: Sep 22, 1998 → May 31, 2001

Most-cited patents

PatentTitleAreaCited byStatus
US6420290B1 Colorless inorganic glass Emerging Cross-Sectional Technologies 26 Expired
US6506538B1 Naphthopyrans annelated in C5-C6, their preparation and compositions and (co)polymer matrices containing them Emerging Cross-Sectional Technologies 17 Expired
US6248285A Preparation of organic pieces of optical quality and especially organic lenses Physics 16 Expired
US6121176A Glasses with very high refractive index Chemistry; Metallurgy 15 Expired
US6392043B1 [Indole]naphthopyrans, preparation, compositions and (co)polymer matrices containing them, synthesis intermediates Physics 15 Expired
US6436858B1 Organic lens molds in inorganic glass and novel inorganic glasses Emerging Cross-Sectional Technologies 12 Expired
US6162749A Photochromic glasses Chemistry; Metallurgy 11 Expired
US6398987B1 Naphthopyrans having a perfluoroalkyl substituent in position 5, preparation and compositions and matrices containing them Chemistry; Metallurgy 11 Expired
US6329482A Polymerizable compositions based on difunctional monomers, resins and ophthalmic articles containing same Physics 10 Expired
US6399791B1 Naphthopyran derivatives, compositions and (co) polymer matrices containing same Chemistry; Metallurgy 10 Expired
US6255238A IR and UV absorbing brown solar glasses, ophthalmic lenses Emerging Cross-Sectional Technologies 10 Expired
US6379591B1 Naphthopyrans annelated in C5-C6 with a lactam-type C6 ring and compositions and (co)polymer matrices containing them Physics 5 Expired
US6210608A Naphthopyrans and phenanthropyrans annelated in C5-C6 with a bicycle group and compositions and (co) polymer matrices containing them Physics 5 Expired
US6426023B1 Benzopyrans annelated in C7-C8 with an aromatic heterocycle and compositions and (CO)polymer matrices containing them Physics 4 Expired
US6255240A Strengthened, 1.7 index, glass lens Emerging Cross-Sectional Technologies 4 Expired
US6291561A Photochromic compositions, photochromic compounds (co)polymer matrices Physics 4 Expired
US6196684A High refractive index glasses, multifocal corrective lenses containing same Emerging Cross-Sectional Technologies 3 Expired
US6177371A Photochromic glass and lens Chemistry; Metallurgy 2 Expired
US6203729A [Pyrrole]naphthopyranes, their preparation, and compositions and (co)polymer matrices containing them Physics 2 Expired
US6284687A High refractive index glasses, multifocal corrective lenses containing same Emerging Cross-Sectional Technologies 2 Expired
US6316569A Self-light-stabilized photochromic polymer, its preparation and articles containing same Chemistry; Metallurgy 1 Expired
US6207084A Naphthopyrans annelated in C6-C7, their preparation and compositions and (CO)polymer matrices containing them Physics 1 Expired
US6444860B1 Naphthopyrans and phenanthropyrans annelated in C5-C6 with a bicyclic group, and compositions and (co) polymer matrices containing them Physics 1 Expired
US6528606B2 Preparation of a stable composition of radically copolymerisable monomers which contains at least one monomer having urea function(s) Chemistry; Metallurgy 1 Expired
US6197711A Protective filter lens Physics 1 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.