Patent US2962374A successfully refreshed from Google Patents.
Patent EP0038532A2 successfully refreshed from Google Patents.
Patent EP0303915A2 successfully refreshed from Google Patents.
EP0303915A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Retinoids for the treatment of skin damaged by light
Assignee: F Hoffmann La Roche AG
•
Filing: 1988-08-05
•
Granted: —
•
Expires: 2008-08-05
Abstract
Abstract Compounds of the formula <IMAGE> in which Z and n have the meanings defined in the description, can be used as active ingredients in products for topical treatment of skin damaged by light.
Inventors
- 👤 Graeme Findlay Bryce
- 👤 Stanley Seymour Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 10:40
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; A61K31/15; A61Q; A61Q19/00; A61Q19/004; A61K31/095; A61K31/10; A61K31/21; A61K31/255; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61P; A61P17/00; A61Q19/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.