Patents by Inventor Youhai Yu

Youhai Yu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Controlled crosslinked polyaryletherketone material with improved properties and a process by producing the same

Patent number: 7265196

Abstract: The present invention relates to a controllable crosslinking polyaryletherketone with improved properties such as stiffness, heat resistance, and stability as shown by any one of the following structures:

Type: Grant

Filed: July 7, 2004

Date of Patent: September 4, 2007

Assignee: Jilin University

Inventors: Wanjin Zhang, Chunhai Chen, Xincai Liu, Xiaogang Zhao, Youhai Yu, Zihong Gao, Xiaoqing Yang, Zhongwen Wu
Novel controlled crosslinked polyaryletherketone material with improved properties and a process for producing the same

Publication number: 20050010015

Abstract: The present invention relates to a controllable crosslinking polyaryletherketone with improved properties such as stiffness, heat resistance, and stability as shown by any one of the following structures:

Type: Application

Filed: July 7, 2004

Publication date: January 13, 2005

Inventors: Wanjin Zhang, Chunhai Chen, Xincai Liu, Xiaogang Zhao, Youhai Yu, Zihong Gao, Xiaoqing Yang, Zhongwen Wu

Controlled crosslinked polyaryletherketone material with improved properties and a process by producing the same

Novel controlled crosslinked polyaryletherketone material with improved properties and a process for producing the same