Abstract

A system for calcining natural gypsum or synthetic gypsum.

Inventors

Michael M. Chen
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Patent Details

Patent Number: US 7897134 B1

Filing Date: 2009-08-07

Publication Date: 2011-03-01

Status: Active

Current Assignee: Coperion Process Solutions LLC

Applicants: Alstom Technology Ltd.

IPC/CPC Classifications: B01J19/00;;C01F11/46;;C04B11

Patent Attorney
Lawrence P. Zale

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