Inventor
OLIVER STEPHEN N
GB6 patents
⚠️ This page may combine multiple inventors who share the name “OLIVER STEPHEN N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PLESSEY CO PLC
5 patentsUS4826977AMay 2, 1989
Photochromic spiropyran compounds
PLESSEY CO PLC253 citations96
US4818096AApr 4, 1989
Photoreactive lenses with adamantane spiro compounds
PLESSEY CO PLC259 citations96
US4576766AMar 18, 1986
Photochromic compounds and their use in photoreactive lenses
PLESSEY CO PLC82 citations92
US4685783AAug 11, 1987
Polychromic tetracyclo-spiro-adamatylidene derivatives, and polychromic lens incorporating said compounds
PLESSEY CO PLC107 citations91
US4737449AApr 12, 1988
Photochromic 3-pyrryl fulgides and fulgimides
PLESSEY CO PLC8 citations71