US Patent 7645527 Gypsum-based building material

Patent 7645527 was granted and assigned to Knauf on January, 2010 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Knauf

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

76455270

Patent Inventor Names

Georg Krämer0

Hans-Ulrich Hummel0

Hans-Rudolf Stössel0

Date of Patent

January 12, 2010

Patent Application Number

105326350

Date Filed

September 13, 2004

Patent Citations Received

‌

US Patent 11999658 High salt gypsum wallboard containing salt absorbents and methods of making same

Patent Primary Examiner

‌

William P. Watkins, III

Patent abstract

A gypsum-based building material containing from 1 to 25% by weight of zeolites.

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