Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same
Reexamination Certificate
2006-05-02
2006-05-02
Johnson, Christina (Department: 1725)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Phosphorus or compound containing same
C502S208000, C423S305000, C423S306000, C423SDIG030
Reexamination Certificate
active
07037874
ABSTRACT:
The present invention relates to an improved process for the preparation of porous crystalline silicoaluminophosphate molecular sieves designated as SAPO-35. These molecular sieves are useful as catalysts in the transformation of hydrocarbons especially in the methanol to olefin reaction.
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patent: 6238550 (2001-05-01), Strohmaier et al.
patent: 2003/0100810 (2003-05-01), Mertens et al.
Venkatathri et al., “Synthesis of SAPO-35 in non-aqueous gels,” J. Chem. Soc., Faraday Trans., 1997, 93 (18), pp. 3411-3415.
Hegde Sooryakant G.
Venkatathri Narayanan
Council of Scientific and Industrial Research
Johnson Christina
NIxon & Vanderhye P.C.
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