0 314 336 A2 © EUROPEAN PATENT APPLICATION © Application number: 88309471.6 © Int. CI.4: B01 J 29/04 © Date of filing: 11.10.88 © Priority: 28.10.87 US 113475 © Applicant: Corning Glass Works Sullivan Park FR-212 © Date of publication of application: Corning New York 14831 (US) 03.05.89 Bulletin 89/18 © Inventor: Lachman, Irwin Morris © Designated Contracting States: 19 East Fifth Street AT BE DE ES FR GB IT SE Corning New York(US) Inventor: Patil, Mailanagouda Dyamanagouda 19 Lower Drive Corning New York(US) © Representative: Smith, Sydney et ai Elkington and Fife Beacon House 113 Kingsway London WC2B 6PP(GB) © Method of crystallizing a zeolite on the surface of a monolithic ceramic substrate. Europaisches Patentamt European Patent Office © Publication number: Office europeen des brevets © A method is provided of crystallizing strong-bound zeolites on the surfaces of a monolithic ceramic substrate by hydrothermally treating the substrate, in the presence of active silica, with a caustic bath to zeolitize the silica. According to various embodiments of the invention, the active silica can be present as a component of the caustic bath, in the form of a dried coating pre-deposited on the substrate, or as a separate phase of the monolithic substrate, homogeneous dispersed within the ceramic material. CM < CO CO o CO Q- LU Xerox Copy Centre
Method of crystallizing a zeolite on the surface of a monolithic ceramic substrate
Jul 01, 2023
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