John L. Phillips

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Matthews, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of adding STMP to a gypsum slurry
- Patent number 8,066,421
- Issue date Nov 29, 2011
- National Gypsum Properties, LLC
- Gopalakrishnan Sethuraman
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM FOR MAKING GYPSUM BOARD USING A LIQUID GYPSUM SET ACCELERATOR
- Publication number 20180009129
- Publication date Jan 11, 2018
- NATIONAL GYPSUM PROPERTIES, LLC
- Gene Whittington
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Impact Resistance Gypsum Wallboard and Method of Making the Same
- Publication number 20110065345
- Publication date Mar 17, 2011
- National Gypsum Properties, LLC (a Limited Liability Company of the State of...
- John L. Phillips
- B32 - LAYERED PRODUCTS
Information Patent Application
Method of Adding STMP to a Gypsum Slurry
- Publication number 20090010093
- Publication date Jan 8, 2009
- NATIONAL GYPSUM PROPERTIES, LLC
- Gopalakrishnan Sethuraman
- B28 - WORKING CEMENT, CLAY, OR STONE