The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2009
Filed:
Nov. 20, 2007
Applicants:
George Ho, Hsinchu, TW;
LI Kuei Lin, Hsinchu, TW;
Wen-faa Kuo, Hsinchu, TW;
Inventors:
Assignees:
Industrial Technology Research Institute, Hsinchu, TW;
Gelie Co., Ltd., Changhua County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 220/06 (2006.01); C08F 220/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polymeric quenchant. The polymeric quenchant comprises an inorganic nanoparticle, a water-soluble polymer, and water, wherein a weight ratio of the inorganic nanoparticle, water-soluble polymer and water is about 0.05-5:1-5:100. The cooling rate of steel during a quenching process can be adjusted by regulating the components and ratios of the adjusted by regulating the components and ratios of the polymeric quenchant to achieve desirable steel properties.