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.
Patent No.:
Date of Patent:
Feb. 07, 2006
Filed:
Jul. 25, 2003
Applicants:
Kenji Ishii, Tokyo, JP;
Yasumasa Norisue, Tokyo, JP;
Daisuke Ohno, Tokyo, JP;
Makoto Miyamoto, Tokyo, JP;
Inventors:
Kenji Ishii, Tokyo, JP;
Yasumasa Norisue, Tokyo, JP;
Daisuke Ohno, Tokyo, JP;
Makoto Miyamoto, Tokyo, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 16/12 (2006.01); C07C 43/215 (2006.01);
U.S. Cl.
CPC ...
Abstract
There are provided a vinyl compound which is excellent in heat resistance and electric characteristics and excellent in reactivity by introducing a vinyl group into a terminal of a bifunctional polyphenylene ether oligomer, and a cured product thereof which has a high glass transition temperature, has a low dielectric constant and a low dielectric loss tangent and has the excellent properties of polyphenylene ether.