US20150104629A1 - Gypsum wallboard produced using a high water-to-stucco ratio - Google Patents

Gypsum wallboard produced using a high water-to-stucco ratio Download PDF

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Publication number
US20150104629A1
US20150104629A1 US14/054,689 US201314054689A US2015104629A1 US 20150104629 A1 US20150104629 A1 US 20150104629A1 US 201314054689 A US201314054689 A US 201314054689A US 2015104629 A1 US2015104629 A1 US 2015104629A1
Authority
US
United States
Prior art keywords
board
gypsum
stucco
water
lbs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US14/054,689
Other languages
English (en)
Inventor
Bangji Cao
Weixin D. Song
Cesar Chan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
United States Gypsum Co
Original Assignee
United States Gypsum Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United States Gypsum Co filed Critical United States Gypsum Co
Priority to US14/054,689 priority Critical patent/US20150104629A1/en
Assigned to UNITED STATES GYPSUM COMPANY reassignment UNITED STATES GYPSUM COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SONG, WEIXIN D, CHAN, CESAR, CAO, BANGJI
Priority to TW103135397A priority patent/TW201514123A/zh
Priority to PCT/US2014/060332 priority patent/WO2015057601A1/en
Priority to CA2927040A priority patent/CA2927040A1/en
Priority to JP2016521298A priority patent/JP2016539891A/ja
Priority to EP14789726.8A priority patent/EP3057919A1/en
Priority to RU2016115595A priority patent/RU2016115595A/ru
Priority to PE2016000442A priority patent/PE20160465A1/es
Priority to KR1020167010690A priority patent/KR20160071397A/ko
Priority to BR112016007522A priority patent/BR112016007522A2/pt
Priority to CN201480056686.4A priority patent/CN105683122A/zh
Priority to MX2016004357A priority patent/MX2016004357A/es
Priority to ARP140103838A priority patent/AR098041A1/es
Publication of US20150104629A1 publication Critical patent/US20150104629A1/en
Priority to CL2016000796A priority patent/CL2016000796A1/es
Priority to ZA2016/02887A priority patent/ZA201602887B/en
Abandoned legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/942—Building elements specially adapted therefor slab-shaped
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/043—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of plaster
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/14—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00034—Physico-chemical characteristics of the mixtures
    • C04B2111/00068—Mortar or concrete mixtures with an unusual water/cement ratio
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • C04B2111/0062—Gypsum-paper board like materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/30—Nailable or sawable materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/045—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Laminated Bodies (AREA)
US14/054,689 2013-10-15 2013-10-15 Gypsum wallboard produced using a high water-to-stucco ratio Abandoned US20150104629A1 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
US14/054,689 US20150104629A1 (en) 2013-10-15 2013-10-15 Gypsum wallboard produced using a high water-to-stucco ratio
TW103135397A TW201514123A (zh) 2013-10-15 2014-10-13 使用高水比灰泥比率生產之石膏壁板
MX2016004357A MX2016004357A (es) 2013-10-15 2014-10-14 Panel de yeso producido mediante una alta relacion de agua con respecto a estuco.
RU2016115595A RU2016115595A (ru) 2013-10-15 2014-10-14 Гипсовая стеновая плита, полученная с применением высокого соотношения воды к строительному гипсу
BR112016007522A BR112016007522A2 (pt) 2013-10-15 2014-10-14 painéis de gesso usando uma proporção elevada de água-estuque
JP2016521298A JP2016539891A (ja) 2013-10-15 2014-10-14 高い水対スタッコ比を使用して製造した石膏ウォールボード
EP14789726.8A EP3057919A1 (en) 2013-10-15 2014-10-14 Gypsum wallboard produced using a high water-to-stucco ratio
PCT/US2014/060332 WO2015057601A1 (en) 2013-10-15 2014-10-14 Gypsum wallboard produced using a high water-to-stucco ratio
PE2016000442A PE20160465A1 (es) 2013-10-15 2014-10-14 Panel de yeso producido mediante una alta relacion de agua con respecto a estuco
KR1020167010690A KR20160071397A (ko) 2013-10-15 2014-10-14 스투코에 대한 높은 수분의 비를 사용하여서 생성된 석고 보드
CA2927040A CA2927040A1 (en) 2013-10-15 2014-10-14 Gypsum wallboard produced using a high water-to-stucco ratio
CN201480056686.4A CN105683122A (zh) 2013-10-15 2014-10-14 使用高的水-灰泥比率产生的石膏墙板
ARP140103838A AR098041A1 (es) 2013-10-15 2014-10-15 Placa de yeso resistente al fuego y método para fabricar la placa
CL2016000796A CL2016000796A1 (es) 2013-10-15 2016-04-06 Placa de yeso resistente al fuego que comprende una relación de agua a estuco de 0,7 a 2,0; una densidad de 24-40 lb/ft3 (384 kg/m3 a 641 kg/m3), un espesor de 5/8 pulgadas (1,59 cm), una resistencia a la tracción del clavo de al menos de 70 lb (31,8 kg) de fuerza, y un índice de resistencia al fuego (fei) mayor de 52 minutos.
ZA2016/02887A ZA201602887B (en) 2013-10-15 2016-04-28 Gypsum wallboard produced using a high water-to-stucco ratio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/054,689 US20150104629A1 (en) 2013-10-15 2013-10-15 Gypsum wallboard produced using a high water-to-stucco ratio

Publications (1)

Publication Number Publication Date
US20150104629A1 true US20150104629A1 (en) 2015-04-16

Family

ID=51795809

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/054,689 Abandoned US20150104629A1 (en) 2013-10-15 2013-10-15 Gypsum wallboard produced using a high water-to-stucco ratio

Country Status (15)

Country Link
US (1) US20150104629A1 (ru)
EP (1) EP3057919A1 (ru)
JP (1) JP2016539891A (ru)
KR (1) KR20160071397A (ru)
CN (1) CN105683122A (ru)
AR (1) AR098041A1 (ru)
BR (1) BR112016007522A2 (ru)
CA (1) CA2927040A1 (ru)
CL (1) CL2016000796A1 (ru)
MX (1) MX2016004357A (ru)
PE (1) PE20160465A1 (ru)
RU (1) RU2016115595A (ru)
TW (1) TW201514123A (ru)
WO (1) WO2015057601A1 (ru)
ZA (1) ZA201602887B (ru)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017190262A (ja) * 2016-04-14 2017-10-19 チヨダウーテ株式会社 石膏部材、石膏ボード及び石膏部材の製造方法
US10066392B2 (en) * 2016-09-29 2018-09-04 United States Gypsum Company One hour fire rated wooden frame members using lightweight gypsum wallboard
US10309771B2 (en) 2015-06-11 2019-06-04 United States Gypsum Company System and method for determining facer surface smoothness
US10683235B2 (en) * 2015-12-22 2020-06-16 Saint-Gobain Placo Sas Method for the production of gypsum-based boards and stucco slurry comprising non-pregelatinized migratory starch for use therewith
US10919808B2 (en) 2017-07-18 2021-02-16 United States Gypsum Company Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US11008257B2 (en) 2017-07-18 2021-05-18 United States Gypsum Company Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US11339572B1 (en) 2017-01-23 2022-05-24 Gold Bond Building Products, Llc Method of manufacturing gypsum board with improved fire
US11702373B2 (en) 2019-06-17 2023-07-18 United States Gypsum Company Gypsum wallboard with enhanced fire resistance, and related coatings and methods
US11708692B2 (en) * 2018-12-27 2023-07-25 Gold Bond Building Products, Llc Cementitious panels with swellable materials and methods of providing a moisture or water barrier in cementitious panels using swellable materials
US11834375B2 (en) 2020-01-31 2023-12-05 United States Gypsum Company Fire resistant gypsum board and related methods

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2602152B (en) * 2020-12-21 2023-12-20 Saint Gobain Construction Products Uk Ltd A plasterboard, a stucco slurry, use of a stucco slurry and a partition

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4403006A (en) * 1980-01-10 1983-09-06 United States Gypsum Company Sag-resistant gypsum board containing coal fly ash and method for making same
US4722866A (en) * 1985-04-09 1988-02-02 Georgia-Pacific Corporation Fire resistant gypsum board
US20120214887A1 (en) * 2011-02-23 2012-08-23 National Gypsum Properties, Llc Gypsum Wallboard Slurry and Method for Making the Same
US20130074737A1 (en) * 2011-09-23 2013-03-28 Georgia-Pacific Gypsum Llc Low thermal transmission building material

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004065319A2 (en) * 2003-01-23 2004-08-05 Innovative Construction And Building Materials Inorganic composite structures enhanced by organic compounds
US20110195241A1 (en) * 2005-06-09 2011-08-11 United States Gypsum Company Low Weight and Density Fire-Resistant Gypsum Panel
US9840066B2 (en) * 2005-06-09 2017-12-12 United States Gypsum Company Light weight gypsum board
US7731794B2 (en) * 2005-06-09 2010-06-08 United States Gypsum Company High starch light weight gypsum wallboard
US20080223258A1 (en) * 2007-03-12 2008-09-18 Robert Bruce Method and System for Manufacturing Lightweight, High-Strength Gypsum Products
US8323785B2 (en) * 2011-02-25 2012-12-04 United States Gypsum Company Lightweight, reduced density fire rated gypsum panels
US9540810B2 (en) * 2012-10-23 2017-01-10 United States Gypsum Company Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4403006A (en) * 1980-01-10 1983-09-06 United States Gypsum Company Sag-resistant gypsum board containing coal fly ash and method for making same
US4722866A (en) * 1985-04-09 1988-02-02 Georgia-Pacific Corporation Fire resistant gypsum board
US20120214887A1 (en) * 2011-02-23 2012-08-23 National Gypsum Properties, Llc Gypsum Wallboard Slurry and Method for Making the Same
US20130074737A1 (en) * 2011-09-23 2013-03-28 Georgia-Pacific Gypsum Llc Low thermal transmission building material

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10309771B2 (en) 2015-06-11 2019-06-04 United States Gypsum Company System and method for determining facer surface smoothness
US10683235B2 (en) * 2015-12-22 2020-06-16 Saint-Gobain Placo Sas Method for the production of gypsum-based boards and stucco slurry comprising non-pregelatinized migratory starch for use therewith
US11220461B2 (en) 2015-12-22 2022-01-11 Saint-Gobain Placo Sas Method for the production of gypsum-based boards and stucco slurry comprising non-pregelatinized migratory starch for use therewith
JP2017190262A (ja) * 2016-04-14 2017-10-19 チヨダウーテ株式会社 石膏部材、石膏ボード及び石膏部材の製造方法
US10066392B2 (en) * 2016-09-29 2018-09-04 United States Gypsum Company One hour fire rated wooden frame members using lightweight gypsum wallboard
US11339572B1 (en) 2017-01-23 2022-05-24 Gold Bond Building Products, Llc Method of manufacturing gypsum board with improved fire
US10919808B2 (en) 2017-07-18 2021-02-16 United States Gypsum Company Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US11008257B2 (en) 2017-07-18 2021-05-18 United States Gypsum Company Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US11773020B2 (en) 2017-07-18 2023-10-03 United States Gypsum Company Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US11708692B2 (en) * 2018-12-27 2023-07-25 Gold Bond Building Products, Llc Cementitious panels with swellable materials and methods of providing a moisture or water barrier in cementitious panels using swellable materials
US11702373B2 (en) 2019-06-17 2023-07-18 United States Gypsum Company Gypsum wallboard with enhanced fire resistance, and related coatings and methods
US11834375B2 (en) 2020-01-31 2023-12-05 United States Gypsum Company Fire resistant gypsum board and related methods

Also Published As

Publication number Publication date
BR112016007522A2 (pt) 2017-08-01
KR20160071397A (ko) 2016-06-21
TW201514123A (zh) 2015-04-16
CN105683122A (zh) 2016-06-15
PE20160465A1 (es) 2016-04-30
WO2015057601A1 (en) 2015-04-23
CA2927040A1 (en) 2015-04-23
AR098041A1 (es) 2016-04-27
RU2016115595A3 (ru) 2018-08-27
RU2016115595A (ru) 2017-11-20
MX2016004357A (es) 2016-07-05
ZA201602887B (en) 2017-07-26
JP2016539891A (ja) 2016-12-22
CL2016000796A1 (es) 2016-10-07
EP3057919A1 (en) 2016-08-24

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Legal Events

Date Code Title Description
AS Assignment

Owner name: UNITED STATES GYPSUM COMPANY, ILLINOIS

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CAO, BANGJI;SONG, WEIXIN D;CHAN, CESAR;SIGNING DATES FROM 20131007 TO 20131015;REEL/FRAME:031991/0403

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION