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:
Jan. 13, 2015
Filed:
Nov. 17, 2010
Jin Heuk Lee, Gyeonggi-do, KR;
SI Moo Lee, Gyeonggi-do, KR;
Hong Kyeom Kim, Gyeonggi-do, KR;
Won Sik Jung, Gyeonggi-do, KR;
Jin Heuk Lee, Gyeonggi-do, KR;
Si Moo Lee, Gyeonggi-do, KR;
Hong Kyeom Kim, Gyeonggi-do, KR;
Won Sik Jung, Gyeonggi-do, KR;
KCC Corporation, Seoul, KR;
Abstract
A biodegradable ceramic fiber composition for a high-temperature thermal insulator is provided. The composition includes: 58 to 67% by weight SiO, 26 to 34% by weight CaO, 2 to 8% by weight MgO, 0 to 1% by weight AlO, 0 to 5% by weight BO, 0 to 3% by weight NaO+KO, and 1% by weight or less impurities selected from TiOand FeO. The composition has a linear thermal contraction coefficient of 3% or less (when maintained at 1100° C. for 24 hours) and a dissolution rate constant of 700 ng/cm·hr or more in a synthetic body fluid. When compared to known biodegradable ceramic fibers, the ceramic fiber composition also has a significantly improved solubility in a synthetic body fluid so that it can easily be dissolved and removed even when inhaled into the human lungs, thereby reducing harmfulness to the human body.