Patent ID: 11919844
Assignee: ORIENTAL UNION CHEMICAL CORP.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 7:
8. The method for fabricating polyols according to claim 7, wherein M in chemical formula (II) is selected from a group consisting of bivalent zinc (Zn(II)), bivalent iron (Fe (II)) and bivalent cobalt (Co (II)), and wherein M in chemical formula (III) is selected from a group consisting of bivalent cobalt (Co (II)), trivalent cobalt (Co (III)), bivalent iron (Fe (II)), trivalent iron (Fe (III)), trivalent chromium (Cr (III)), trivalent iridium (Ir (III)) and bivalent nickel (Ni (II)).