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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Cannan; Thomas R.
Address:
Congers, NY
No. of patents:
3
Patents:












Patent Number Title Of Patent Date Issued
5366720 Process for preparing low silica forms of zeolites having the faujasite type structure November 22, 1994
Low silica forms of faujasite-type zeolites are prepared from more siliceous forms of the same zeolite species by contacting the starting zeolite with a highly caustic concentrated sodium aluminate solution at elevated temperatures. In view of the fact that the process does not favor
5347822 Process for drying CH.sub.2 F.sub.2 refrigerant utilizing zeolite September 20, 1994
Difluoromethane (R32) is of current interest as a partial replacement for chlorodifluoromethane (R22) refrigerant heretofore widely used in vapor compression refrigeration systems. R32 has, however, proved to be more reactive than is desirable with the zeolite A adsorbent-desiccant c
5139759 Synthesis of zeolite beta August 18, 1992
Zeolite beta is synthesized hydrothermally from an aqueous reaction mixture containing the conventional reactive sources of SiO.sub.2, Al.sub.2 O.sub.3 and Na.sub.2 O tetraethylammonium halide as the source of the crystallization directing tetraethylammonium ions and diethanolamine as










 
 
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