公开(公告)号：US5679834A

公开(公告)日：1997-10-21

申请号：US616197

申请日：1996-03-15

申请人： Hideyuki Nishikawa ,  Haruyoshi Gotou

发明人： Hideyuki Nishikawa ,  Haruyoshi Gotou

IPC分类号： C07C69/92 ,  C07C67/08

CPC分类号： C07C69/92

摘要： A process for producing an acrylic acid ester or a methacrylic acid ester having a benzoic acid group from a benzoic acid derivative having a hydroxyalkyl group in the presence of an acid catalyst without using an azeotropic solvent with water having a strong toxicity and also without using acrylic acid chloride which has a strong tearing property, is hard to be handled and generates a by-product in the reaction. In the above process, the solvent for the benzoic acid derivative consists essentially of (meth)acrylic acid.

摘要翻译： 在酸催化剂存在下，使用具有羟烷基的苯甲酸衍生物的丙烯酸酯或甲基丙烯酸酯的方法，不使用共沸溶剂与具有强毒性的水也不使用丙烯酸 具有强撕裂性的酰氯难以处理并在反应中产生副产物。 在上述方法中，苯甲酸衍生物的溶剂基本上由（甲基）丙烯酸组成。

公开(公告)号：US5055386A

公开(公告)日：1991-10-08

申请号：US296166

申请日：1989-01-12

申请人： Tsumoru Hirano ,  Haruyoshi Gotou ,  Osamu Takahashi

发明人： Tsumoru Hirano ,  Haruyoshi Gotou ,  Osamu Takahashi

IPC分类号： G03C1/06 ,  G03C1/04 ,  G03C7/388 ,  G03C7/396

CPC分类号： G03C7/3882 ,  G03C7/396

摘要： A silver halide color photographic material is disclosed, which material comprises a support and at least one silver halide photographic emulsion layer which contains a dispersion of fine lipophilic particles which particles are comprised of at least one type of oil solution non-color forming polymer and an oil soluble coupler which has been rendered fast to diffusion and which can form a dye by coupling with the oxidized form of a primary aromatic amine developing agent, wherein at least 20% by weight of said oil soluble non-color forming polymer has a molecular weight not more than 40,000.

摘要翻译： 公开了一种卤化银彩色照相材料，该材料包括载体和至少一个卤化银照相乳剂层，其含有细小亲脂性颗粒的分散体，该颗粒由至少一种类型的油溶液非成色聚合物和 油溶性成色剂已经快速扩散并且可以通过与氧化形式的伯芳族胺显影剂偶联形成染料，其中至少20重量％的所述油溶性非成色聚合物具有分子量 不超过40,000。