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특허 상세정보

Process for preparing ferrierite

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C01B-039/44   
미국특허분류(USC) 423/706 ; 423/DIG.23 ; 502/077
출원번호 US-0885628 (1997-06-30)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 6  인용 특허 : 24
초록

Ferrierite is prepared by a method that provides extremely pure crystalline material. The method consists of preparing a mixture of silica, alumina, alkali metal and pyridine of a certain composition and heating said mixture to form the crystals. The SiO.sub.2 /Al.sub.2 O.sub.3 and OH.sup.- /SiO.sub.2 are controlled to insure preparation of high SiO.sub.2 /Al.sub.2 O.sub.3 ratio, high surface area and high purity ferrierite. An improved olefin skeletal isomerization catalyst is prepared from a high silica to alumina ratio, high surface area and high puri...

대표
청구항

[ We claim:] [1.] A method of preparing a ferrierite crystalline aluminosilicate comprising:a. preparing a mixture comprising an alkali metal source, silica source, alumina source and a template consisting of pyridine, said mixture having the following composition in moles: EQU Al.sub.2 O.sub.3 : 60-500 SiO.sub.2 : 10-40 R: 1.5-4 M.sub.2 O: 950-2000 H.sub.2 Owherein R is pyridine, M is an alkali metal and said alkali metal source and silica source are such that there are 0.05 to 0.15 moles of OH.sup.- for each mole of SiO.sub.2 to produce a ferrierite ha...

이 특허에 인용된 특허 (24)

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  4. Plank Charles J. (Woodbury NJ) Rosinski Edward J. (Pedricktown NJ) Schwartz Albert B. (Philadelphia PA). Hydrocarbon conversion. USP1976113992466.
  5. Rollmann Louis D. (Princeton NJ) Valyocsik Ernest W. (Yardley PA). Manufacture of nitrogenous zeolites. USP1980054205053.
  6. Evans Wayne E. (Houston TX). Method for preparing ferrierite. USP1990074942027.
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  11. Morimoto Nobuyuki (Sodegaura JPX) Takatsu Kozo (Sodegaura JPX) Sugimoto Michio (Ichihara JPX). Process for preparing a crystalline aluminosilicate. USP1986034578259.
  12. Vaughan ; David E. W. ; Edwards ; Grant C.. Process for preparing synthetic ferrierite. USP1978054088739.
  13. Van Erp Willibrord A. (Amsterdam NLX) Seelen-Kruijssen Josepha M. E. (Amsterdam NLX) Huizinga Tom (Amsterdam NLX). Process for the preparation of crystalline aluminum silicate compounds using pyridine and a quaternary ammonium compound. USP1986094613488.
  14. Nanne Johannes M. (Amsterdam NLX) Post Martin F. M. (Amsterdam NLX) Stork Willem H. J. (Amsterdam NLX). Process for the preparation of ferrierite. USP1981024251499.
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