Photochromic naphtho(2,1-B)pyrans
A Standard patent application filed on 11 August 1994 credited to Rickwood, Martin
;
Gabbutt, Christopher David
;
Hepworth, John David
;
Marsden, Sean Derek
Details
Application number :
73492
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Photochromic naphtho(2,1-B)pyrans
Inventor :
Rickwood, Martin
;
Gabbutt, Christopher David
;
Hepworth, John David
;
Marsden, Sean Derek
Agent name :
Griffith Hack
Address for service :
GPO Box 1285 MELBOURNE VIC 3001
Filing date :
11 August 1994
Associated companies :
Applicant name :
Pilkington PLC
Applicant address :
Prescot Road St Helens Merseyside WA10 3TT United Kingdom