Inventor
LIU QINGXIA
US30 patents
⚠️ This page may combine multiple inventors who share the name “LIU QINGXIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED STATES GYPSUM CO
23 patentsUS7803226B2Sep 28, 2010
Siloxane polymerization in wallboard
UNITED STATES GYPSUM CO49 citations98
US7776170B2Aug 17, 2010
Fire-resistant gypsum panel
UNITED STATES GYPSUM CO102 citations98
US7767019B2Aug 3, 2010
Gypsum products utilizing a two-repeating unit dispersant and a method for making them
UNITED STATES GYPSUM CO56 citations97
US6805741B1Oct 19, 2004
Ready-mixed setting-type composition and related kit
UNITED STATES GYPSUM CO76 citations97
US7815730B2Oct 19, 2010
Siloxane polymerization in wallboard
UNITED STATES GYPSUM CO29 citations96
US7811685B2Oct 12, 2010
Siloxane polymerization in wallboard
UNITED STATES GYPSUM CO36 citations96
US6822033B2Nov 23, 2004
Compositions and methods for treating set gypsum
UNITED STATES GYPSUM CO130 citations95
US7932308B2Apr 26, 2011
Modifiers for gypsum slurries and method of using them
UNITED STATES GYPSUM CO17 citations92
US7803296B2Sep 28, 2010
Methods and systems for preparing gypsum slurry containing a cellulose ether
UNITED STATES GYPSUM CO23 citations92
US7776461B2Aug 17, 2010
Gypsum products utilizing a two-repeating unit dispersant and a method for making them
UNITED STATES GYPSUM CO19 citations92
US7776462B2Aug 17, 2010
Gypsum products utilizing a two-repeating unit dispersant and a method of making them
UNITED STATES GYPSUM CO24 citations92
US7754006B2Jul 13, 2010
Process for manufacturing ready-mixed setting alpha-calcium sulphate hemi-hydrate and kit for same
UNITED STATES GYPSUM CO23 citations92
US7637996B2Dec 29, 2009
Gypsum products utilizing a two-repeating unit dispersant and a method for making them
UNITED STATES GYPSUM CO25 citations92
US7608347B2Oct 27, 2009
Modifiers for gypsum slurries and method of using them
UNITED STATES GYPSUM CO17 citations92
US7588634B2Sep 15, 2009
Process for manufacturing ultra low consistency alpha- and beta- blend stucco
UNITED STATES GYPSUM CO24 citations92
US7572329B2Aug 11, 2009
Method of making a gypsum slurry with modifiers and dispersants
UNITED STATES GYPSUM CO47 citations92
US7572328B2Aug 11, 2009
Fast drying gypsum products
UNITED STATES GYPSUM CO25 citations91
US7544242B2Jun 9, 2009
Effective use of dispersants in wallboard containing foam
UNITED STATES GYPSUM CO27 citations89
US7815889B2Oct 19, 2010
Method and apparatus for pressurized calcination of gypsum
UNITED STATES GYPSUM CO13 citations83
US7861955B2Jan 4, 2011
Wet-grinding gypsum with polycarboxylates
UNITED STATES GYPSUM CO16 citations78
US7276549B2Oct 2, 2007
Surface enhancing coating for gypsum-containing floor underlayments
UNITED STATES GYPSUM CO5 citations72
US7601214B2Oct 13, 2009
Modified landplaster as a wallboard filler
UNITED STATES GYPSUM CO2 citations63
US7736764B2Jun 15, 2010
Surface enhancing coating for gypsum-containing floor underlayments
UNITED STATES GYPSUM CO1 citations51