Process and apparatus for quantitatively converting urea to ammonia on demand

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7008603
APP PUB NO 20050207961A1
SERIAL NO

11121275

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Processes and apparatus for quantitatively converting urea to ammonia on demand are disclosed. One process includes the steps of: receiving a demand rate signal for ammonia; feeding reactants including urea and water into a reactor to provide a reaction mixture; and controlling temperature and pressure in the reactor to produce a gaseous product stream including ammonia and carbon dioxide at substantially constant concentrations. Another process includes the steps of: feeding molten urea or solid urea to a reactor; feeding water (liquid or steam) to the reactor; and reacting the urea and water at elevated temperature and pressure to form a gaseous product stream including ammonia and carbon dioxide.

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Patent Owner(s)

Patent OwnerAddress
THE CHEMITHON CORPORATIONSEATTLE WASHINGTON 98106-1598

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brooks, Burton Bellevue, WA 17 156
Jessup, Walter A Seattle, WA 10 100
MacArthur, Brian W Redmond, WA 8 95
Sheats, W Brad Federal Way, WA 4 50

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