← Back to Patent Explorer
EP0374751A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Water-soluble light-projecting materials

Assignee: Novartis AG
•
Filing: 1989-12-15
•
Granted: —
•
Expires: 2009-12-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from German Verbindungen der Formel I U′SOL)n' (I), worin n' eine Zahl von 1 bis 4, U einen Rest eines UV-Absorbers vom Typ Hydroxyphenyl-benztriazol, Zimtsäure oder Triazin und SOL eine Gruppe der Formel Ia <IMAGE> bedeuten. Die Symbole in der Formel Ia haben die in Anspruch 1 angegebene Bedeutung. Die Verbindungen, die zum Teil neu sind, eignen sich als Lichtschutzmittel, insbesondere für Aufzeichnungsmaterialien und Tinten für den Tintenstrahldruck. Compounds of the formula IU'SOL) n '(I), in which n' is a number from 1 to 4, U is a radical of a UV absorber of the hydroxyphenyl-benzotriazole, cinnamic acid or triazine type and SOL is a group of the formula Ia <IMAGE> . The symbols in the formula Ia have the meaning given in claim 1. The compounds, some of which are new, are suitable as light stabilizers, in particular for recording materials and inks for inkjet printing.

Inventors

  • 👤 Eric Dr. Vieira
  • 👤 Hugh Stephen Dr. Laver

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 10:35
CPC Classifications
B; B41; B41M; B41M5/00; G; G03; G03C; G03C11/00; G03C11/08; G03C11/10; C; C07; C07D; C07D249/00; C07D249/16; C07D249/18; C07D249/20; C09; C09D; C09D11/00; C09D11/30; C09D11/38; G03C1/00; G03C1/76; G03C1/815; G03C1/8155; B41M5/0035

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag