Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4574141 | Method for producing graft-copolymers of vinyl chloride and polyfluorine resin by copolymerization | Cheng-Yi Cheng, Kwang-Ming Chen, Chee-Yuan Wo | 1986-03-04 |
| 4539380 | Process for producing homopolymers or copolymers of olefinically unsaturated monomers | Cheng-Yi Cheng, Kwang-Ming Chen, Won-Doon Hong | 1985-09-03 |