Metal quenching medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 10, 2010
Grant Date -
Mar 18, 2010
app pub date -
Nov 23, 2009
filing date -
May 10, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a quenching medium for treating a heated metal part, said medium comprising water and a polyacrylate terpolymer comprising acrylamide and/or methacrylamide monomer units, acrylic acid and/or methacrylic acid monomer units and alkyl alkoxylate allyl ether monomer units where the acid groups are in the form of an alkali metal salt and where the alkyl alkoxylate allyl ether monomers are of the formulawhere n is an integer from 1 to about 30, R is ethylene, propylene or butylene and G is an alkyl group of 8 to 30 carbon atoms. Also disclosed is a method for quenching a heated metal part, which process comprises immersing said metal part in the quenching medium. Also disclosed are the polyacrylate ternary copolymers.
First Claim
Other Claims data not available
