Invention Grant
US07803296B2 Methods and systems for preparing gypsum slurry containing a cellulose ether
有权
用于制备含有纤维素醚的石膏浆料的方法和系统
- Patent Title: Methods and systems for preparing gypsum slurry containing a cellulose ether
- Patent Title (中): 用于制备含有纤维素醚的石膏浆料的方法和系统
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Application No.: US11811479Application Date: 2007-06-11
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Publication No.: US07803296B2Publication Date: 2010-09-28
- Inventor: David Paul Miller , Qingxia Liu , Qiang Yu
- Applicant: David Paul Miller , Qingxia Liu , Qiang Yu
- Applicant Address: US IL Chicago
- Assignee: United States Gypsum Company
- Current Assignee: United States Gypsum Company
- Current Assignee Address: US IL Chicago
- Agency: Greer, Burns & Crain, Ltd.
- Agent David F. Janci, Esq.; Pradip Sahu, Esq.
- Main IPC: B28B1/26
- IPC: B28B1/26 ; B27N3/00 ; A61K9/127 ; B01J13/02 ; B01J13/04 ; C04B16/08 ; C04B20/00 ; C04B38/00 ; C04B9/04 ; C04B11/00 ; C04B28/14
Abstract:
A method for forming a gypsum slurry comprises the steps of combining gypsum and water to form a slurry, combining cellulose ether with at least a second material configured to delay solubilization of the cellulose ether, and adding the combined cellulose ether and at least a second material to the slurry.
Public/Granted literature
- US20080303191A1 Methods and systems for preparing gypsum slurry containing a cellulose ether Public/Granted day:2008-12-11
Information query
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