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经营范围
发明名称
Polymers from pyrrolidone
摘要
申请公布号
US2638463(A)
申请公布日期
1953.05.12
申请号
US19510260558
申请日期
1951.12.07
申请人
ARNOLD, HOFFMAN & CO., INCORPORATED
发明人
JR. WILLIAM O. NEY,;NUMMY WILLIAM R.;BARNES CARL E.
分类号
C08G69/24
主分类号
C08G69/24
代理机构
代理人
主权项
地址
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