Inventor

GABBUTT CHRISTOPHER D

GB3 patents

Patents

3 patents

US5520853AMay 28, 1996

Photochromic compounds

PILKINGTON PLC26 citations89

US5446151AAug 29, 1995

Photo reactive spiro-benzoxazine compounds

PILKINGTON PLC20 citations89

US5623005AApr 22, 1997

Photochromic naphthopyran compounds

PILKINGTON PLC49 citations88