P

Inventor

PAPPALARDO ROMANO G

US15 patents
⚠️ This page may combine multiple inventors who share the name “PAPPALARDO ROMANO G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GTE LABORATORIES INC

12 patents
US4647399AMar 3, 1987

Process for producing Ce-Mn coactivated fluoroapatite phosphors as the yellow emitting component for high efficacy lamp blends

GTE LABORATORIES INC35 citations92
US4772417ASep 20, 1988

Process for preparing high-brightness yellow-emitting triboluminescent phosphors

GTE LABORATORIES INC20 citations82
US4952422AAug 28, 1990

A method of coating a layer of an yttrium vanadate phosphor contained in a fluorescent lamp with Y2 O3 or Al2 O3 and lamps made therefrom

GTE LABORATORIES INC21 citations81
US4979893ADec 25, 1990

Method of coating yttrium vanadate phosphors with Al2 O3

GTE LABORATORIES INC12 citations73
US4134851AJan 16, 1979

Aluminophosphate luminescent glass

GTE LABORATORIES INC12 citations72
US4749513AJun 7, 1988

Green emitting phosphor

GTE LABORATORIES INC7 citations71
US4757233AJul 12, 1988

Efficient UV-emitting phosphors based on cerium-activated calcium pyrophosphate and lamps containing the same

GTE LABORATORIES INC11 citations68
US4307321ADec 22, 1981

Red emitting phosphor with slow exponential decay

GTE LABORATORIES INC4 citations63
US5524016AJun 4, 1996

Optical emitter for amplification and process for making same

GTE LABORATORIES INC6 citations62
US4446049AMay 1, 1984

Yellow-emitting halophosphate phosphor of improved brightness and method

GTE LABORATORIES INC5 citations62
US4306173ADec 15, 1981

Phosphor with extended fluorescence decay lifetime and lamp based thereon

GTE LABORATORIES INC2 citations62
US4594178AJun 10, 1986

Process for producing a yellow emitting phosphor

GTE LABORATORIES INC1 citations52

GTE PROD CORP

3 patents