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1. 发明授权

US4175066A Dispersant for calcium carbonate 失效
标题翻译：碳酸钙分散剂
公开(公告)号：US4175066A
公开(公告)日：1979-11-20
申请号：US893696
申请日：1978-04-05
申请人： Hiroji Shibazaki , Setsuji Edagawa , Hisashi Hasegawa , Takashi Takeuchi , Noboru Moriyama , Yukihiro Fukuyama
发明人： Hiroji Shibazaki , Setsuji Edagawa , Hisashi Hasegawa , Takashi Takeuchi , Noboru Moriyama , Yukihiro Fukuyama
IPC分类号： C09C1/00 , B01F17/00 , B01F17/52 , C01F11/18 , C09C1/02 , D21H19/38 , C08K3/26
CPC分类号： B01F17/0028 , C01F11/185 , D21H19/385 , Y10T428/31895
摘要： Calcium carbonate is dispersed by a dispersant comprising a salt of an acrylic acid/maleic acid copolymer.
摘要翻译：碳酸钙由包含丙烯酸/马来酸共聚物的盐的分散剂分散。

2. 发明授权

US4159312A Calcium carbonate powders 失效
标题翻译：碳酸钙粉末
公开(公告)号：US4159312A
公开(公告)日：1979-06-26
申请号：US911994
申请日：1978-06-02
申请人： Hiroji Shibazaki , Setsuji Edagawa , Hisashi Hasegawa , Satoshi Kondo , Kazuo Ohnawa
发明人： Hiroji Shibazaki , Setsuji Edagawa , Hisashi Hasegawa , Satoshi Kondo , Kazuo Ohnawa
IPC分类号： C01F11/18 , C09C1/02 , C09C3/10 , C09D17/00 , D21H19/38 , D21H19/58 , D21H21/52 , C01F5/24
CPC分类号： C01F11/185 , C09C1/021 , C09C3/10 , C09D17/004 , D21H19/385 , D21H19/58 , D21H21/52 , C01P2004/38 , C01P2004/62 , C01P2006/22
摘要： Surface-treated calcium carbonate powders of this invention are easy to handle and highly dispersible in water, give slurries of high concentration and are useful as pigments and various other applications.
摘要翻译：本发明的表面处理碳酸钙粉末易于处理并高度分散在水中，得到高浓度的浆料，并且可用作颜料和各种其它应用。

3. 发明授权

US4124688A Process for preparing cubic crystals of calcium carbonate 失效
标题翻译：制备碳酸钙立方晶体的方法
公开(公告)号：US4124688A
公开(公告)日：1978-11-07
申请号：US827218
申请日：1977-08-24
申请人： Hiroji Shibazaki , Setsuji Edagawa , Hisashi Hasegawa , Satoshi Kondo
发明人： Hiroji Shibazaki , Setsuji Edagawa , Hisashi Hasegawa , Satoshi Kondo
IPC分类号： B01D9/00 , C01F11/18
CPC分类号： B01D9/0036 , C01F11/18 , C01P2004/38 , C01P2004/61 , C01P2004/62
摘要： Cubic calcium carbonate crystals of uniform size are prepared by contacting with CO.sub.2 a starting aqueous suspension containing Ca(OH).sub.2 and cubic CaCO.sub.3 crystals less than 0.1.mu.m in size, adding Ca(OH).sub.2 to the suspension resulting from the first step and contacting the resultant mixture with CO.sub.2.
摘要翻译：通过与CO 2一起制备含有Ca（OH）2和小于0.1μm的立方CaCO 3晶体的初始含水悬浮液，其中Ca（OH）2向第一步产生的悬浮液中加入Ca（OH）2; 使所得混合物与CO 2接触。

4. 发明授权

US4244933A Calcium carbonate particles and processes for preparing same 失效
标题翻译：碳酸钙颗粒及其制备方法
公开(公告)号：US4244933A
公开(公告)日：1981-01-13
申请号：US23962
申请日：1979-03-26
申请人： Hiroji Shibazaki , Setsuji Edagawa , Hisashi Hasegawa , Satoshi Kondo
发明人： Hiroji Shibazaki , Setsuji Edagawa , Hisashi Hasegawa , Satoshi Kondo
IPC分类号： C01F11/18 , C08K3/26 , C09C1/02 , D21H19/38 , D21H21/52 , C01F5/24
CPC分类号： D21H21/52 , C01F11/18 , C01F11/183 , C08K3/26 , C09C1/021 , D21H19/385 , C01P2004/54 , C01P2004/61 , C01P2004/62 , C01P2006/14 , C01P2006/19
摘要： The invention provides calcium carbonate particles comprising a core and projections formed thereon, and process for preparing same. The calcium carbonates of this invention are useful as fillers and pigments for rubbers, plastics, papers, etc. because of their peculiar configuration and unique properties.
摘要翻译：本发明提供了包含芯和形成在其上的突起的碳酸钙颗粒及其制备方法。本发明的碳酸钙由于其特殊的构造和独特的性质而可用作橡胶，塑料，纸等的填料和颜料。

5. 发明授权

US4240870A Filled paper 失效
标题翻译：填充纸
公开(公告)号：US4240870A
公开(公告)日：1980-12-23
申请号：US74317
申请日：1979-09-11
申请人： Hiroji Shibazaki , Setsuji Edagawa , Hisashi Hasegawa
发明人： Hiroji Shibazaki , Setsuji Edagawa , Hisashi Hasegawa
IPC分类号： C09C1/00 , C09C1/02 , D21H17/67 , D21H3/78
CPC分类号： D21H17/675
摘要： The filled paper is filled with at least one of (i) a calcium carbonate in the form of particles comprising a core about 0.5 to about 6.5 .mu.m in average diameter and about 100 to about 4000 projections formed on the surface of the core and having a length (L) of about 0.25 to about 2.00 .mu.m, a diameter (D) of about 0.08 to about 0.20 .mu.m and an aspect ratio (L/D) of about 3 to about 10, the calcium carbonate having a void volume of about 1.0 to about 1.8 ml/g and an oil absorption of about 45 to about 60 ml/100 g, and (ii) a calcium carbonate in the form of particles comprising a core about 0.2 to about 2.0 .mu.m in average diameter and about 100 to about 4000 projections formed on the surface of the core and having a length (L) of about 0.15 to about 4.00 .mu.m, a diameter (D) of about 0.05 to about 0.20 .mu.m and an aspect ratio (L/D) of about 3 to about 20, the calcium carbonate having a void volume of about 1.8 to about 3.3 ml/g and an oil absorption of about 50 to about 100 ml/100 g.The paper has increased stiffness and enhanced opacity with reduced weight.
摘要翻译：填充的纸填充有以下中的至少一种：（i）颗粒形式的碳酸钙，其包含平均直径约0.5至约6.5μm的芯和在芯的表面上形成的约100至约4000个突起，并且具有约0.25至约2.00μm的长度（L），约0.08至约0.20μm的直径（D）和约3至约10的纵横比（L / D），所述碳酸钙具有空隙体积约1.0至约1.8ml / g，吸油量为约45至约60ml / 100g，和（ii）包含平均直径为约0.2至约2.0μm的芯颗粒形式的碳酸钙，以及在芯的表面上形成约100至约4000个突起，其长度（L）为约0.15至约4.00μm，直径（D）为约0.05至约0.20μm，纵横比（L / D ）为约3至约20，碳酸钙具有约1.8至约3.3ml / g的空隙体积和约50至约100ml / 100的吸油量 G。该纸具有增加的刚度和增强的不透明度，减轻重量。

6. 发明授权

US4133894A Process for preparing precipitated calcium carbonate 失效
标题翻译：沉淀碳酸钙的制备方法
公开(公告)号：US4133894A
公开(公告)日：1979-01-09
申请号：US832902
申请日：1977-09-13
申请人： Hiroji Shibazaki , Setsuji Edagawa , Hisashi Hasegawa , Satoshi Kondo
发明人： Hiroji Shibazaki , Setsuji Edagawa , Hisashi Hasegawa , Satoshi Kondo
IPC分类号： C01F11/18
CPC分类号： C01F11/18 , C01P2004/61 , C01P2004/62
摘要： Precipitated calcium carbonate of uniform particle size is produced by contacting a suspension of calcium hydroxide with a carbon dioxide-containing gas in three steps. The particle size of precipitated calcium carbonate can be optionally selected by suitably adjusting reaction conditions.
摘要翻译：通过三步骤将氢氧化钙悬浮液与含二氧化碳气体接触来制备粒度均匀的沉淀碳酸钙。沉淀碳酸钙的粒度可以通过适当调节反应条件来任意选择。

7. 发明授权

US4219590A Method for improving calcium carbonate 失效
标题翻译：改善碳酸钙的方法
公开(公告)号：US4219590A
公开(公告)日：1980-08-26
申请号：US26193
申请日：1979-04-02
申请人： Hiroji Shibazaki , Setsuji Edagawa , Yoshinaga Okamoto
发明人： Hiroji Shibazaki , Setsuji Edagawa , Yoshinaga Okamoto
IPC分类号： C08K9/00 , C01F11/18 , C08K3/26 , C08K9/02 , C08L7/00 , C08L21/00 , C09C1/00 , C09C1/02 , B05D7/00
CPC分类号： C01F11/185 , C09C1/021 , C09C1/024 , C01P2004/03 , C01P2004/61 , C01P2006/12
摘要： A method for improving calcium carbonate by causing calcium carbonate particles to undergo contact reaction with an acid gas capable of reacting with calcium carbonate for finely uniformizing the calcium carbonate particle size and, at the same time, coating the surface of the calcium carbonate particles with the calcium salt of the acid of the acid gas.
摘要翻译：一种通过使碳酸钙颗粒与能够与碳酸钙反应的酸性气体进行接触反应来精细地使碳酸钙颗粒尺寸均匀化并且同时用碳酸钙颗粒的表面涂覆碳酸钙颗粒的表面来改进碳酸钙的方法钙盐酸的酸性气体。

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