公开(公告)号：US20180354852A1

公开(公告)日：2018-12-13

申请号：US15914633

申请日：2018-03-07

Applicant: UNITED STATES GYPSUM COMPANY

Inventor： Renee J. WEINBERGER ,  Runhai LU ,  Yijun SANG ,  Guy L. ROSENTHAL

IPC: C04B26/28 ,  C04B14/28 ,  C08B31/06 ,  C08L1/28 ,  C08L3/14

Abstract: Provided herein is a joint compound having a composition to allow tools to easily clean up, comprising water, at least one inert filler, and a binder comprising a sulfonated starch, and a method of preparing the joint compound.

公开(公告)号：US20230382793A1

公开(公告)日：2023-11-30

申请号：US18074664

申请日：2022-12-05

Applicant: United States Gypsum Company

Inventor： Guy L. ROSENTHAL ,  Christian HUCH ,  Jeffrey F. GRUSSING ,  Pamela L. HARGROVE

IPC: C04B11/02 ,  C04B28/14 ,  C04B24/04 ,  C04B22/16

CPC classification number: C04B11/02 ,  C04B28/146 ,  C04B24/04 ,  C04B22/16 ,  C04B2103/22

Abstract: In one aspect, a pottery plaster formulation with increased water absorption, comprising alpha stucco, continuously-calcined-in-a-kettle stucco, and a combination of Rochelle salt and one or more of the following: potassium sulfate and/or a phosphate compound. In another aspect, pottery plaster molds with increased water absorption and methods of making and using the pottery plaster molds for slip casting ceramic items.