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::: 可授權專利

無線通訊定位系統與方法

創作型式:
發明
專利證號:
US9173063B2
發明人:
許東榮、林鈺山、廖人吉、孫天文
國別:
美國
獲證日期:
2015/10/27
專利摘要:
A method of producing a five-carbon ring derivative-containing polyurethane involves introducing a DCPD-derived 5-carbon cyclic compound into a polyurethane material and effectuating polymerization in the presence of a solvent of a low boiling point and low toxicity to produce a five-carbon ring derivative-containing polyurethane of a high molecular weight.
IPC國際分類號:
C07C001361