IP Library Granted Patent US 7,781,588
Granted Patent B1
US 7,781,588 · App. 11/303,708 · Granted Aug 24, 2010

Acridan monomers and polymers

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Quick Facts
Patent No.
US 7,781,588
App. No.
11/303,708
Granted
Aug 24, 2010
Kind
B1
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 (19)

1. A compound having formula I:

wherein:

R 1 , R 2 , R 3 , R 4 , and R 5 are each, independently, H, alkyl, alkenyl, alkynyl, heteroalkyl, heteroalkenyl, heteroalkynyl, tert-butyl benzyl or aryl, wherein at least one of R 1 , R 2 , R 3 , R 4 , and R 5 is other than H and is further substituted with halogen, amino, cyano, nitro, alkyl, alkoxy, alkylamino, or alkylthio; and

X is, independently, Br, I, —COOH, or —C 6 H 4 —COOH.

2. A compound having formula I:

wherein R 1 and R 2 are both alkyl, and R 3 , R 4 , and R 5 are each, independently, H, alkyl, alkenyl, alkynyl, heteroalkyl, heteroalkenyl, heteroalkynyl, or aryl, and

X is, independently, Br, I, —COOH, or —C 6 H 4 —COOH.

3. A compound having formula I:

wherein R 3 is aryl, and R 1 , R 2 , R 4 , and R 5 are each, independently, H, alkyl, alkenyl, alkynyl, heteroalkyl, heteroalkenyl, heteroalkynyl, or aryl, and

X is, independently, Br, I, —COOH, or —C 6 H 4 —COOH.

4. A compound having formula I:

wherein R 3 is alkyl, and R 1 , R 2 , R 4 , and R 5 are each, independently, H, alkyl, alkenyl, alkynyl, heteroalkyl, heteroalkenyl, heteroalkynyl, or aryl, and

X is, independently, Br, I, —COOH, or —C 6 H 4 —COOH.

5. The compound of claim 2 ,

wherein:

R 1 and R 2 is C 4 H 9 ,

R 3 is H, C 6 H 13 , C 8 H 17 , or tert-butyl-benzyl,

R 4 and R 5 are H, and

X is Br.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 22, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: LG CHEM, LTD.
Reel/Frame 050150/0482 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 9, 2006
From: DUPONT DISPLAYS, INC.
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 018502/0207 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 18, 2006
From: WANG, HAILIANG; ZHANG, ZHENSHENG
To: DUPONT DISPLAYS, INC.
Reel/Frame 018134/0653 →