1
Uday S Hattiangadi: Recirculating flue gas fluidized bed heater. Conoco, A Joe Reinert, October 26, 1982: US04355601 (33 worldwide citation)

A fluidized bed boiler system and a manner of operating the same is provided wherein a fluidized particulate bed in which solids are not recycled is utilized. High temperature flue gas is directed to a boiler means. A portion of both the high temperature and a low temperature gas stream are recycled ...


2
David E Whisenhunt, Gregg L Byers, Uday S Hattiangadi: Process for production of gasoline blending stock. Conoco, March 15, 1988: US04731489 (3 worldwide citation)

A process for producing a gasoline blending stock of methyl tertiary butyl ether and tertiary butyl alcohol wherein a first catalytic etherification of isobutene and methanol produces methyl tertiary butyl ether and unreacted methanol. The etherification product including isobutene and remaining met ...


3
David E Whisenhunt, Gregg L Byers, Uday S Hattiangadi: Recovery of methanol in an MTBE process. Conoco, May 31, 1988: US04748281 (1 worldwide citation)

An adsorbent is used to recover methanol in unreacted C.sub.4 's from the MTBE process. Methanol is desorbed from the mixture in a closed loop regeneration system utilizing a circulating vapor at an elevated temperature. Gas from the adsorber is cooled to condense methanol which may be recycled to t ...