Beijing
China
2
2014-02-27
The entities that hold a legal rights for patent applications filed by inventor Ouyang Sufang:
Sufang Ouyang from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Polybutadiene grafted isoprene rubber, processes for preparing polybutadiene grafted isoprene rubber, mixed compositions and vulcanized forms thereof
#2 | 2013-11-28Polyisoprene, preparation method thereof, polyisoprene rubber compounds and vulcanizate therefrom
549395 ⎘