P

Inventor

ROSS LUDWIG

DE14 patents
⚠️ This page may combine multiple inventors who share the name “ROSS LUDWIG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHOTT GLASWERKE

12 patents
US4584279AApr 22, 1986

Optical glass with refractive indices>1.90, Abbe numbers>25 and high chemical stability

SCHOTT GLASWERKE150 citations98
US4562161ADec 31, 1985

Optical and ophthalmic glass with refractive indices greater than or equal to 1.56, Abbe numbers greater than or equal to 40 and densities less than or equal to 2.70 g/cm3

SCHOTT GLASWERKE93 citations95
US4734389AMar 29, 1988

Highly refractive optical glass with refractive indices >1.83 and Abbe numbers <25, and with very good chemical stability

SCHOTT GLASWERKE39 citations92
US4526874AJul 2, 1985

Optical light weight glass with a refractive index of >1.70, an Abbe index of >22 and a density of <3.5 G/CM3

SCHOTT GLASWERKE39 citations90
US4686196AAug 11, 1987

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/cm3

SCHOTT GLASWERKE28 citations89
US4824809AApr 25, 1989

Optical CdO and ThO2 -free glass with refractive indices of 1.73-1.78 abbe numbers of 30-34, and high devitrification stability

SCHOTT GLASWERKE23 citations81
US4719186AJan 12, 1988

Optical and ophthalmic glass with refractive indices greater than or equal to 1.56, Abbe numbers greater than or equal to 40 and densities less than or equal to 2.70 g/cm3

SCHOTT GLASWERKE13 citations73
US4508834AApr 2, 1985

Spectacle glass with increased refractive index

SCHOTT GLASWERKE17 citations73
US5114453AMay 19, 1992

Lightwave guide produced by ion exchange of cs+ ions

SCHOTT GLASWERKE10 citations72
US5004707AApr 2, 1991

Lightwave guide produced from special substrate glasses by ion exchange against CS+ ions

SCHOTT GLASWERKE12 citations66
US4814299AMar 21, 1989

Optical glass with refractive index 1.60, an abbe number 58, with high chemical stability and resistance to phase separation and crystallization

SCHOTT GLASWERKE6 citations62
US4485178ANov 27, 1984

Phototropic glass with a brown tint in the irradiated state

SCHOTT GLASWERKE4 citations61

ROSS LUDWIG

2 patents