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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0034541 (1979-04-30) |
우선권정보 | DE-2738268 (1977-08-25) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 32 인용 특허 : 2 |
Hydrophobic polyurethane foams which have densities of from 4 to 15 g/liter and in which the number of closed cells is from 2 to 30%, and the number of open cells from 98 to 70%, based on the total number of cells, are obtained from polyisocyanates, polyhydroxy compounds, catalysts and water, with o
Hydrophobic polyurethane foams, which have densities of from 4 to 15 g/liters and in which the number of closed cells is from 2 to 30%, and the number of open cells from 98 to 70%, based on the total number of cells, and which are prepared by reacting organic polyisocyanates, polyhydroxy compounds,
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