Photochromic naphthopyran compounds
A Standard patent application filed on 25 March 1994 credited to Rickwood, Martin
;
Hepworth, John David
;
Gabbutt, Christopher David
;
Smith, Katharine Emma
Details
Application number :
64328
Application type :
Standard
Application status :
SEALED
Under opposition :
No
Proceeding type :
Invention title :
Photochromic naphthopyran compounds
Inventor :
Rickwood, Martin
;
Hepworth, John David
;
Gabbutt, Christopher David
;
Smith, Katharine Emma
Agent name :
Griffith Hack
Address for service :
GPO Box 1285 MELBOURNE VIC 3001
Filing date :
25 March 1994
Associated companies :
Applicant name :
Pilkington PLC
Applicant address :
Prescot Road St Helens Merseyside WA10 3TT United Kingdom