1,2,5,10-tetrahydropyridazino[4,5-b]quinoline-1,10-diones and their use for the treatment of pain

US6946463B2 · kind B2 · utility

Assignee

• ASTRAZENECA AB · SE

Inventors

• Dean Brown · Wilmington, US
• Rebecca Urbanek · Wilmington, US
• Megan Murphy · Wilmington, US
• Wenhua Xiao · Wilmington, US
• Frances M. McLaren · Wilmington, US
• Edward Vacek · Wilmington, US
• Thomas Bare · West Chester, US
• Carey Horchler · Wayne, US
• Christine Barlaam · Reims, FR
• Gary Steelman · Wilmington, US

Key dates

• Filing date: Sep 28, 2001
• Grant date: Sep 20, 2005
• Expiry date: Jan 3, 2022

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P43/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Compounds according to structural diagram (I) The following is an examiner's statement of reasons for allowance: In view of applicants' amendments to the claims which limit “E” to phenyl or cycloalkyl groups the rejections of the previous action no longer pertain as they at best teach “E” as alkyl.