Acridan monomers and polymers

• US 7,781,588 B1
• Filed: 12/16/2005
• Issued: 08/24/2010
• Est. Priority Date: 12/30/2004
• Status: Active Grant

• Current Assignee: LG Chem Limited (LG Corporation)
• Original Assignee: E. I. du Pont de Nemours and Company (Corteva, Inc.)
• Inventors: Zhang, Zhensheng, Wang, Hailiang
• Primary Examiner(s): Padmanabhan; Sreeni
• Assistant Examiner(s): Pihonak; Sarah
• Application Number:
  US11/303,708
• Time in Patent Office: 1,712 Days
• Field of Search: 514/250, 546/102, 546/104
• US Class Current: 546/102
• CPC Class Codes: C07D 219/04 with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
• CPC Class Codes: C07D 219/08 Nitrogen atoms

Abstract

Acridian monomers and polymers are described, as well as their use in organic electronic devices, and materials and methods for fabrication of the same.

Claims

1. A compound having formula I:

2. A compound having formula I:

5. The compound of claim 2,

wherein:

R₁ and R₂ is C₄H₉,

R₃ is H, C₆H₁₃, C₈H₁₇, or tert-butyl-benzyl,

R₄ and R₅ are H, and

X is Br.

3. A compound having formula I:

4. A compound having formula I: