Two-stage reactor for the production of melamine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7253280
APP PUB NO 20060167250A1
SERIAL NO

10542306

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a process for the catalytic preparation of melamine by decomposition of urea over particular solid catalysts using a main reactor and an after-reactor. A catalyst having a low Lewis acidity is used in the main reactor and a catalyst having an equal or preferably higher Lewis acidity is used in the after-reactor.

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Patent Owner(s)

  • BASF AKTIENGESELLSCHAFT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Danz, Eckehard Ludwigshafen, DE 7 44
Geier, Reiner Mannheim, DE 2 9
Grassler, Thomas Limburgerhof, DE 7 31
Harth, Klaus Hong Kong, CN 61 939
Holzle, Markus Kirchheim, DE 18 369
Kuhrs, Christian Heidelberg, DE 9 72
Rahn, Ralf-Thomas Mannheim, DE 20 201
Steiner, Wolfgang Friedelsheim, DE 12 239

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