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Vernon Hills, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Water resistant cementitious article and method for preparing same
Patent number
8,568,544
Issue date
Oct 29, 2013
United States Gypsum Company
Dick C. Engbrecht
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Cementitious article and method for preparing the same
Patent number
8,329,308
Issue date
Dec 11, 2012
United States Gypsum Company
Qingxia Liu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Foamed slurry and building panel made therefrom
Patent number
8,142,915
Issue date
Mar 27, 2012
United States Gypsum Company
David R. Blackburn
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Siloxane polymerization in wallboard
Patent number
8,133,600
Issue date
Mar 13, 2012
United States Gypsum Company
Xuming Wang
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Foamed slurry and building panel made therefrom
Patent number
8,088,218
Issue date
Jan 3, 2012
United States Gypsum Company
David R. Blackburn
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Water resistant cementitious article and method for preparing same
Patent number
8,070,895
Issue date
Dec 6, 2011
United States Gypsum Company
Dick C. Engbrecht
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Modifiers for gypsum slurries and method of using them
Patent number
7,932,308
Issue date
Apr 26, 2011
United States Gypsum Company
Dennis M. Lettkeman
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Wet-grinding gypsum with polycarboxylates
Patent number
7,861,955
Issue date
Jan 4, 2011
United States Gypsum Company
Sharon Louise Tracy
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method and apparatus for pressurized calcination of gypsum
Patent number
7,815,889
Issue date
Oct 19, 2010
United States Gypsum Company
Wenqi Luan
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Siloxane polymerization in wallboard
Patent number
7,815,730
Issue date
Oct 19, 2010
United States Gypsum Company
Xuming Wang
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Siloxane polymerization in wallboard
Patent number
7,811,685
Issue date
Oct 12, 2010
United States Gypsum Company
Xuming Wang
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Siloxane polymerization in wallboard
Patent number
7,803,226
Issue date
Sep 28, 2010
United States Gypsum Company
Xuming Wang
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Methods and systems for preparing gypsum slurry containing a cellul...
Patent number
7,803,296
Issue date
Sep 28, 2010
United States Gypsum Company
David Paul Miller
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Fire-resistant gypsum panel
Patent number
7,776,170
Issue date
Aug 17, 2010
United States Gypsum Company
Qiang Yu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Gypsum products utilizing a two-repeating unit dispersant and a met...
Patent number
7,776,461
Issue date
Aug 17, 2010
United States Gypsum Company
David R. Blackburn
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Gypsum products utilizing a two-repeating unit dispersant and a met...
Patent number
7,776,462
Issue date
Aug 17, 2010
United States Gypsum Company
Qingxia Liu
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Gypsum products utilizing a two-repeating unit dispersant and a met...
Patent number
7,767,019
Issue date
Aug 3, 2010
United States Gypsum Company
Qingxia Liu
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Process for manufacturing ready-mixed setting alpha-calcium sulphat...
Patent number
7,754,006
Issue date
Jul 13, 2010
United States Gypsum Company
Qingxia Liu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Surface enhancing coating for gypsum-containing floor underlayments
Patent number
7,736,764
Issue date
Jun 15, 2010
United States Gypsum Company
Qingxia Liu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Gypsum products utilizing a two-repeating unit dispersant and a met...
Patent number
7,637,996
Issue date
Dec 29, 2009
United States Gypsum Company
David R. Blackburn
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Modifiers for gypsum slurries and method of using them
Patent number
7,608,347
Issue date
Oct 27, 2009
United States Gypsum Company
Dennis M. Lettkeman
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Modified landplaster as a wallboard filler
Patent number
7,601,214
Issue date
Oct 13, 2009
United States Gypsum Company
David R. Blackburn
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Process for manufacturing ultra low consistency alpha- and beta- bl...
Patent number
7,588,634
Issue date
Sep 15, 2009
United States Gypsum Company
Michael R. Lynn
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Fast drying gypsum products
Patent number
7,572,328
Issue date
Aug 11, 2009
United States Gypsum Company
Dennis M. Lettkeman
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of making a gypsum slurry with modifiers and dispersants
Patent number
7,572,329
Issue date
Aug 11, 2009
United States Gypsum Company
Qingxia Liu
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Effective use of dispersants in wallboard containing foam
Patent number
7,544,242
Issue date
Jun 9, 2009
United States Gypsum Company
Qingxia Liu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Surface enhancing coating for gypsum-containing floor underlayments
Patent number
7,276,549
Issue date
Oct 2, 2007
United States Gypsum Company
Qingxia Liu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Compositions and methods for treating set gypsum
Patent number
6,822,033
Issue date
Nov 23, 2004
United States Gypsum Company
Qiang Yu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ready-mixed setting-type composition and related kit
Patent number
6,805,741
Issue date
Oct 19, 2004
United States Gypsum Company
Qingxia Liu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
WATER RESISTANT CEMENTITIOUS ARTICLE AND METHOD FOR PREPARING SAME
Publication number
20120040168
Publication date
Feb 16, 2012
United States Gypsum Company
Dick C. Engbrecht
B32 - LAYERED PRODUCTS
Information
Patent Application
FOAMED SLURRY AND BUILDING PANEL MADE THEREFROM
Publication number
20110213043
Publication date
Sep 1, 2011
David R. Blackburn
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
SILOXANE POLYMERIZATION IN WALLBOARD
Publication number
20110009564
Publication date
Jan 13, 2011
Xuming Wang
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
CEMENTITIOUS ARTICLE AND METHOD FOR PREPARING THE SAME
Publication number
20100247937
Publication date
Sep 30, 2010
United States Gypsum Company
Qingxia LIU
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Mat-Faced Cementitious Article and Method for Preparing Same
Publication number
20100143682
Publication date
Jun 10, 2010
United States Gypsum Company
Michael P. SHAKE
B32 - LAYERED PRODUCTS
Information
Patent Application
SILOXANE POLYMERIZATION IN WALLBOARD
Publication number
20100055477
Publication date
Mar 4, 2010
Xuming Wang
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
GYPSUM PRODUCTS UTILIZING A TWO-REPEATING UNIT DISPERSANT AND A MET...
Publication number
20100056655
Publication date
Mar 4, 2010
Qingxia Liu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
GYPSUM PRODUCTS UTILIZING A TWO-REPEATING UNIT DISPERSANT AND A MET...
Publication number
20100011994
Publication date
Jan 21, 2010
DAVID R. BLACKBURN
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
MODIFIERS FOR GYPSUM SLURRIES AND METHOD OF USING THEM
Publication number
20090292045
Publication date
Nov 26, 2009
Dennis M. Lettkeman
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
METHOD AND APPARATUS FOR PRESSURIZED CALCINATION OF GYPSUM
Publication number
20090257946
Publication date
Oct 15, 2009
Wenqi Luan
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
SILOXANE POLYMERIZATION IN WALLBOARD
Publication number
20090239087
Publication date
Sep 24, 2009
Xuming Wang
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Wet-grinding gypsum with polycarboxylates
Publication number
20090127360
Publication date
May 21, 2009
Sharon Louise Tracy
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
MAT-FACED GYPSUM BOARD AND METHOD OF MAKING THEREOF
Publication number
20090029141
Publication date
Jan 29, 2009
United States Gypsum Company
Michael P. SHAKE
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Methods and systems for preparing gypsum slurry containing a cellul...
Publication number
20080303191
Publication date
Dec 11, 2008
David Paul Miller
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
PROCESS FOR MANUFACTURING READY-MIXED SETTING ALPHA-CALCIUM SULPHAT...
Publication number
20080229981
Publication date
Sep 25, 2008
United States Gypsum Company
Qingxia Liu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Methods and systems for addition of cellulose ether to gypsum slurry
Publication number
20080202415
Publication date
Aug 28, 2008
David Paul Miller
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Water Resistant Cementitious Article and Method for Preparing Same
Publication number
20080190062
Publication date
Aug 14, 2008
United States Gypsum Company
Dick C. Engbrecht
B32 - LAYERED PRODUCTS
Information
Patent Application
Gypsum compositions with naphthalene sulfonate and modifiers
Publication number
20080148997
Publication date
Jun 26, 2008
David R. Blackburn
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Fiber reinforced gypsum panel
Publication number
20080152945
Publication date
Jun 26, 2008
David Paul Miller
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Fire-resistant gypsum panel
Publication number
20080087366
Publication date
Apr 17, 2008
Qiang Yu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
PROCESS FOR MANUFACTURING ULTRA LOW CONSISTENCY ALPHA- AND BETA- BL...
Publication number
20080069762
Publication date
Mar 20, 2008
United States Gypsum Company
Michael R. LYNN
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Gypsum products utilizing a two-repeating unit dispersant and a met...
Publication number
20080009566
Publication date
Jan 10, 2008
David R. Blackburn
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Foamed slurry and building panel made therefrom
Publication number
20080000392
Publication date
Jan 3, 2008
David R. Blackburn
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Modified landplaster as a wallboard filler
Publication number
20070044688
Publication date
Mar 1, 2007
David R. Blackburn
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Modified landplaster as a wallboard filler
Publication number
20070044687
Publication date
Mar 1, 2007
David R. Blackburn
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Siloxane polymerization in wallboard
Publication number
20070022913
Publication date
Feb 1, 2007
United States Gypsum Company
Xuming Wang
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Method of improving dispersant efficacy in making gypsum products
Publication number
20060278132
Publication date
Dec 14, 2006
United States Gypsum Company
Qiang Yu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Method of making a gypsum slurry with modifiers and dispersants
Publication number
20060278135
Publication date
Dec 14, 2006
Qingxia Liu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Gypsum products utilizing a two-repeating unit dispersant and a met...
Publication number
20060278127
Publication date
Dec 14, 2006
United States Gypsum Company
Qingxia Liu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Effective use of dispersants in wallboard containing foam
Publication number
20060278128
Publication date
Dec 14, 2006
United States Gypsum Company
Qingxia Liu
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES