Formulations based on water soluble gold compounds suitable for coloring ceramic manufactured articles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 19, 2003
Grant Date -
N/A
app pub date -
Feb 16, 2001
filing date -
Aug 21, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Composition whereby ceramic manufactured articles are colored in shades from pink to violet, such composition includes of a monovalent gold thiolate water solution or mixture of water with a water soluble organic solvent according to the following formulas Au--S--R--X and Au--S--R--H, where R stands for a linear or branched bivalent radical of aliphatic or aromatic or cycloaliphatic or heterocyclic type optionally with substituents, such as for example aminic, amidic, hydroxylic, carboxylic, hydrocarbylic or carbonylic groups or CONH--, in the chain; X stands for a monovalent group selected out of --COOH, SO.sub.2 OH, --OH, --CONH.sub.2, --NH.sub.2 ; O--P(O)(OH).sub.2, in which H atoms may be replaced by alkyl groups and wherein acid group may be salified with amines or alkaline or alkaline earth metals and basic groups may optionally be salified with organic acids
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully