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公开(公告)号:US3926648A
公开(公告)日:1975-12-16
申请号:US47719774
申请日:1974-06-07
Applicant: CORNING GLASS WORKS
Inventor: MILLER DAVID M
CPC classification number: C03C10/0045
Abstract: The present invention relates to means for sintering powdered glasses having compositions approximating the stoichiometry of cordierite (2MgO.2Al2O3.5SiO2) into strong bodies exhibiting low coefficients of thermal expansion and containing hexagonal cordierite as the crystal phase. Additions of minor amounts of K2O and/or Cs2O to the glass compositions are unique in imparting excellent sinterability at temperatures of 1050*C. and below, and yielding a body which retains a low coefficient of thermal expansion even after repeated thermal cycling to 1000*C.
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公开(公告)号:US3881944A
公开(公告)日:1975-05-06
申请号:US31399272
申请日:1972-12-11
Applicant: CORNING GLASS WORKS
Inventor: BEALL GEORGE H , CAMPBELL DONALD E , MACDOWELL JOHN F , MILLER DAVID M , READE RICHARD F , RITTLER HERMANN L , WATKINS HARRY J
IPC: C04B35/195 , B01J23/04 , B01J35/10 , B01J37/06 , C03C10/00 , C03C10/04 , C03C15/00 , C04B38/04 , C04B41/91 , C03C3/22 , C03C3/04 , C03C3/30
CPC classification number: B01J37/06 , B01J23/04 , B01J35/10 , B01J35/1009 , B01J35/1014 , B01J35/1066 , B01J35/1071 , C03C10/0027 , C03C15/00
Abstract: This invention relates to the development of strong, highly porous glass-ceramic bodies exhibiting extremely high surface areas such as to render them eminently suitable for catalyst supports designed for use in emissions control systems utilized in combination with internal combustion engines. These bodies are manufactured through a leaching process which provides a surface layer or an entire bulk having a relatively homogeneous porosity with very high surface area wherein the size of the pores can be controlled to a reasonable uniformity.
Abstract translation: 本发明涉及开发强度高的多孔玻璃陶瓷体,其表现出极高的表面积,以使其非常适合用于与内燃机结合使用的排放控制系统中使用的催化剂载体。 这些主体通过浸出过程制造,其提供具有非常高的表面积的具有相对均匀的孔隙率的表面层或整体,其中孔的尺寸可被控制到合理的均匀性。
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公开(公告)号:US3928533A
公开(公告)日:1975-12-23
申请号:US44883474
申请日:1974-03-07
Applicant: CORNING GLASS WORKS
Inventor: BEALL GEORGE H , MILLER DAVID M , RITTLER HERMANN L
CPC classification number: B01J23/8892 , B01D53/944 , B01J23/70 , B01J23/84 , B01J23/86 , Y02A50/2341
Abstract: Refractory base metal titanate catalysts showing considerable activity in the oxidation of hydrocarbons and carbon monoxide, comprising titaniferous crystal phases of spinel, ilmenite and/or pseudobrookite structure which consist essentially, in weight percent on the oxide basis, of about 15-85% TiO2, 15-70% M'''' O wherein M'''' is Mn 2, Co 2, Fe 2 or Cu 2, and 0-60% M2''''''O3 wherein M'''''' is Al 3, Fe 3, Cr 3, Mn 3 or Co 3, are disclosed.
Abstract translation: 在碳氢化合物和一氧化碳的氧化中显示出相当大的活性的耐火贱金属钛酸盐催化剂,包括尖晶石,钛铁矿和/或拟铁矿结构的钛结晶相,其基本上以氧化物的重量百分数计,约15-85%的TiO 2, 15-70%M“O,其中M”为Mn 2+,Co 2+,Fe 2+或Cu 2+,以及0-60%M 2“'O 3,其中M' '是Al +,Fe + 3,Cr + 3,Mn + 3或Co + 3。
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