Benzothiazine dyes for imaging elements

US6881840B2 · kind B2 · utility

Assignee

• EASTMAN KODAK COMPANY · US

Inventors

• Margaret J. Helber · Webster, US
• Douglas M. Willis · Rochester, US
• John DiCillo · Rochester, US

Key dates

• Filing date: Feb 8, 2002
• Grant date: Apr 19, 2005
• Expiry date: May 4, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B23/10
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

This relates to a dye represented by Formulae II and IIA below: wherein;