Stains which bake to a red-brown color, process for their preparation and their methods of use
Patent
US-6228160-B1
Inventor
HANICH JURGEN (DE)
JASCHIK GILLIAN-ANN (DE)
WACKER JOERG (DE)
MONARI GIACINTO (IT)
Assignee
CERDEC AG (US)
Country
United States
Dates
- Priority:1998/02/03
- Grant:2001/05/08
Description
This web page summarizes information in PubChem about patent US-6228160-B1. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was constructed, please visit the PubChem patents help page.
The invention provides new stains which fire to a red-brown color for coloring ceramic compositions. The stains comprise Fe2O3 and/or an Fe compound which forms Fe2O3 on firing, in uniform distribution in a pulverulent matrix based on an oxide-like and/or silicate-like material which is amorphous to X-rays to the extent of at least 50% and has a specific surface area (BET) of at least 40 m2/g, and are obtainable by bringing the constituents into intensive contact together. The matrix preferably comprises 80 to 100% amorphous SiO2 or SiO2-rich silicate with a BET surface area of 90 to 300 m2/g and 0 to 20% of an auxiliary substance, such as silicone oil. The stains can be prepared by intensive dry grinding.
1998/02/03
1999/02/02
2001/05/08
2001/05/08
HANICH JURGEN (DE)
JASCHIK GILLIAN-ANN (DE)
WACKER JOERG (DE)
MONARI GIACINTO (IT)
CERDEC AG (US)
United States
C09C1/00 (inventive)
C04B33/14 (inventive)
C09C1/24 (inventive)
C03C1/04 (inventive)
C09C1/0009 (inventive)
C03C1/04 (inventive, first)
C09C1/24 (inventive)
C01P2004/80
C09C1/0081 (inventive)
C04B33/14 (inventive)
C01P2002/02
C01P2006/12
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