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81. 发明授权

US4857576A Method for rendering a flammable polymer material flame-resistant 失效
标题翻译：使易燃聚合物材料具有阻燃性的方法
公开(公告)号：US4857576A
公开(公告)日：1989-08-15
申请号：US843914
申请日：1986-03-21
申请人： Hiromi Kochi , Kenji Fukunaga , Takaharu Itagaki , Tsuyoshi Ito
发明人： Hiromi Kochi , Kenji Fukunaga , Takaharu Itagaki , Tsuyoshi Ito
IPC分类号： C08K5/03 , C08L25/00 , C08L101/00
CPC分类号： C08L101/00
摘要： A method for rendering a flammable polymer material flame-resistant, which comprises incorporating to the flammable polymer material a powder of a cross-linked aromatic polymer brominated to contain from 30 to 70% by weight of bromine.
摘要翻译：一种使易燃聚合物材料具有阻燃性的方法，其包括向可燃性聚合物材料掺入溴化至含有30至70重量％溴的交联芳族聚合物的粉末。

82. 发明授权

US4543365A Method for increasing the porosity of a cross-linked copolymer 失效
标题翻译：提高交联共聚物孔隙率的方法
公开(公告)号：US4543365A
公开(公告)日：1985-09-24
申请号：US694276
申请日：1985-01-24
申请人： Takaharu Itagaki , Tsuyoshi Ito , Kiyoto Ando , Hiromi Teshima
发明人： Takaharu Itagaki , Tsuyoshi Ito , Kiyoto Ando , Hiromi Teshima
IPC分类号： C08J9/26 , C08F6/00 , C08F8/00 , C08J9/00
CPC分类号： C08F8/00
摘要： A method for increasing the porosity of a cross-linked copolymer composed essentially of at least one monovinyl aromatic compound selected from the group consisting of styrene, vinyl toluene and ethyl vinyl benzene, at least one polyvinyl aromatic compound selected from the group consisting of divinyl benzene, trivinyl benzene, divinyl toluene and divinyl xylene, and an aliphatic vinyl compound, wherein the proportion of the polyvinyl aromatic compound relative to the total vinyl compounds is from 8 to 80% by weight, and the proportion of the aliphatic vinyl compound relative to the total vinyl compounds is from 0 to 20% by weight, which method comprises treating particles of said copolymer with a Lewis acid catalyst in an amount of from 0.05 to 1 part by weight relative to 1 part by weight of the copolymer particles, in the presence of an organic solvent.
摘要翻译：提高基本上由至少一种选自苯乙烯，乙烯基甲苯和乙基乙烯基苯的单乙烯基芳族化合物组成的交联共聚物的孔隙率的方法，至少一种选自二乙烯基苯的聚乙烯基芳族化合物三乙烯基苯，二乙烯基甲苯和二乙烯基二甲苯和脂族乙烯基化合物，其中聚乙烯基芳族化合物相对于总乙烯基化合物的比例为8至80重量％，并且脂族乙烯基化合物相对于总乙烯基化合物为0至20重量％，该方法包括在相对于共聚物颗粒的1重量份的情况下，以相对于共聚物颗粒的1重量份为0.05-1重量份的路易斯酸催化剂处理所述共聚物的颗粒，的有机溶剂。

83. 发明授权

US4251442A Method for synthesis of penicillin 失效
标题翻译：青霉素合成方法
公开(公告)号：US4251442A
公开(公告)日：1981-02-17
申请号：US96338
申请日：1979-11-21
申请人： Yoshiharu Morita , Takaharu Itagaki , Tsuyoshi Ito , Shigenori Wada
发明人： Yoshiharu Morita , Takaharu Itagaki , Tsuyoshi Ito , Shigenori Wada
IPC分类号： C07D499/00 , C07D499/12
CPC分类号： C07D499/00
摘要： This invention relates to a method for synthesizing a penicillin by reacting a silylate of 6-aminopenicillanic acid and a carboxylic acid halide in the presence of an insoluble weakly basic resin having a three-dimensional structure.
摘要翻译：本发明涉及通过在具有三维结构的不溶性弱碱性树脂存在下使6-氨基青霉烷酸甲硅烷酯与羧酰卤反应合成青霉素的方法。

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