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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0340183 (1982-01-18) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 37 인용 특허 : 1 |
A method of producing a gypsum plaster board. This method includes a step of preparing a starch paste which is effective to bond the gypsum core member and both paper boards. In this step, first, about 10-30 wt % of starch such as corn starch based on water is added to water and mixed to obtain milk
Method of producing a gypsum plaster board comprising the steps of: (a) preparing a starch paste wherein starch is added into water with stirring to form milk of starch, into which an amylolytic enzyme is added, and heated with stirring until the decomposition temperature of said starch is reached,
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