The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 23, 2008

Filed:

Apr. 03, 2007
Applicant:

Xinhua Chen, Erie, CO (US);

Inventor:

Xinhua Chen, Erie, CO (US);

Assignee:

Daily Polymer Corporation, Kaohsiung Hsien, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 49/00 (2006.01); C07C 45/00 (2006.01); C07D 309/00 (2006.01); C07D 311/00 (2006.01); C07D 221/18 (2006.01); C07D 239/00 (2006.01); G02F 1/13 (2006.01);
U.S. Cl.
CPC ...
Abstract

Compounds that are useful in compositions for flat panel displays, for example, are provided. The compounds provided are polar, and are useful in low threshold voltage mixtures. The compounds provided have the general structure: A and B are independently in each instance selected from the group consisting of 1,4-cyclohexane, 1,4-phenyl, 1,3-dioxan-5,2-diyl; pyridine-5,2-diyl; and pyrimidin-5,2-diyl; n and m are independently in each instance 0, 1 or 2; Zand Zare independently a single bond, —(CH)—, CFO, OCF, CHO, OCH, —C≡C—, COO, OOC; and Y is selected from the group consisting of: F, Cl, CN, OCHF, CHF, OCF, and CF.


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