发明授权
US5283298A Hydrophilic polyurethane compositions 失效
亲水性聚氨酯组合物

Hydrophilic polyurethane compositions
摘要:
The present invention is directed to a hydrophilic composition which is the reaction product of a polyvinylpyrrolidone, an organic monoisocyanate, and an oxyalkylene group containing mono- or di- hydroxyl compound.
公开/授权文献
信息查询
0/0