Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Phototropic glass with a refractive index greater than or equal to 1.59, an abbe number greater than or equal to 44 and a density less than or equal to 3.0 g/cm.sup.3

Phototropic glass with a refractive index greater than or equal to 1.59, an abbe number greater than or equal to 44 and a density less than or equal to 3.0 g/cm.sup.3

US Patent 4686196 · Granted Aug 11, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for producing an optical splitter cascade and optical assembly2015
Lead-containing space glass, its production and its use2013
Lead-containing space glass, its production and use2013
Lithium-aluminosilicate glass ceramic with high keatite content and structural m2009
Methods for making wafers with low-defect surfaces, wafers obtained thereby and 2008
Influenza vaccine composition2008
Method of growing hexagonal single crystals and use of same as substrates for se2007
Method for the forming of glass or glass ceramics2007
Lithium-aluminosilicate glass ceramic with high keatite content and structural m2006
Method and apparatus for measuring the position of a phase interface during crys2005
Cadmium-free optical steep edge filters2005
Method of making a fracture-resistant calcium fluoride single crystal and its us2004