A dephenolization process for obtaining ultrapure polycarbonate grade bisphenol a
A Standard patent application filed on 16 February 1994 credited to Zhang, Minhua ; Liu, Zongzhang ; Li, Chuanzhao ; Qian, Shenghua ; Yu, Shenbo

Details

Application number :
61058  
Application type :
Standard  
Application status :
LAPSED  
Under opposition :
No  
Proceeding type :
 
Invention title :
A dephenolization process for obtaining ultrapure polycarbonate grade bisphenol a  
Inventor :
Zhang, Minhua ; Liu, Zongzhang ; Li, Chuanzhao ; Qian, Shenghua ; Yu, Shenbo  
Agent name :
 
Address for service :
 
Filing date :
16 February 1994  
Associated companies :
 
Applicant name :
China Petro-Chemical Corporation  
Applicant address :
 
Old name :
 
Original Source :
Go  

Same Inventor