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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0510493 (1974-09-30) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 20 인용 특허 : 0 |
Chromated copper arsentate wood preserving solutions in which the ratio of hexavalent chromium to trivalent chromium in the solution is between about 4.0:1.0 to about 1.0:1.0 give improved penetration into the wood, better retention of preservative in the wood, and improved stability of the treating
In a chromated copper arsenate wood treating solution of the type comprising as active ingredients from about 40.0 to about 70.0 % by weight chromium measured as CrO3, from about 15 to about 23 % by weight copper measured as CuO and from about 14.0 to about 50.0% by weight arsenic measured as As2O5;
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