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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0269154 (1981-06-01) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 8 인용 특허 : 1 |
It has been discovered that when co-nitrating a mixture of trimethylolethane and diethylene glycol, a storage stable spent acid can be obtained if during the co-nitration an excess of from about 60 to about 100% by weight of nitric acid over that stoichiometrically required is employed.
In a process of co-nitrating a mixture of trimethylolethane and diethylene glycol with a mixture of sulfuric and nitric acids, the improvement of using an excess of between about 65 to about 100% by weight of nitric acid above the stoichiometric requirement for the co-nitration.
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