Details
- Application number :
- 91389
- Application type :
- Standard
- Application status :
- LAPSED
- Under opposition :
- No
- Proceeding type :
-
- Invention title :
- Photochromic naphthopyran compounds
- Inventor :
- Bergomi, Maria Pia
;
Van Gemert, Barry
- Agent name :
- Collison & Co
- Address for service :
- GPO Box 2556 ADELAIDE SA 5001
- Filing date :
- 15 November 1991
- Associated companies :
-
- Applicant name :
- PPG Industries, Inc.
- Applicant address :
- One PPG Place Pittsburgh PA 15272 United States Of America
- Old name :
-
- Original Source :
- Go