Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Chemically durable, high index, low density glasses

Chemically durable, high index, low density glasses

US Patent 4839314 · Granted Jun 13, 1989

Estimated economic value: $14,167,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Medium refractive index glass suitable for ophthalmic applications1989
Medium refractive index glass suitable for ophthalmic applications1989
Glass-ceramic article, process for its production and thermally crystallizable g1988
Fast fading photochromic glass1988
Optical and ophthalmic glasses1988
Optical and ophthalmic glasses1988
Opal glass exhibiting a creamy-white tint1987
Low PbO-containing glass for electrical devices1986
Low PbO-containing glass for electrical devices1986
Glasses for ophthalmic applications1986
Glasses for ophthalmic applications1986
Glasses of low density and high index of refraction for ophthalmic and optical a1985