Patent application number | Description | Published |
20110067315 | METHOD FOR PREPARING CERIUM CARBONATE, METHOD FOR CERIUM OXIDE PREPARED AND CRYSTALLINE CERIUM OXIDE - The present invention relates to a method for preparing cerium carbonate-based compound, which is capable of easily controlling the crystalline structure, size, shape, or etc. of the cerium carbonate-based compound, and of preparing the cerium carbonate-based compound efficiently at low cost. | 03-24-2011 |
20110206589 | METHOD FOR PREPARING CERIUM CARBONATE - Disclosed is a method for preparing cerium carbonate that can prepare cerium carbonate having uniform crystal structure, shape and size with high productivity. The method for preparing cerium carbonate comprises: continuously introducing a reaction solution comprising cerium precursor and urea in a tubular reactor including an inlet, an outlet, and one or more reaction tubes through the inlet; reacting the cerium precursor with urea at an elevated temperature in the reaction tube; and, continuously discharging cerium carbonate formed by the reaction of the cerium precursor and urea to the outlet. | 08-25-2011 |
20110244237 | METHOD FOR PREPARING CERIUM CARBONATE AND CERIUM OXIDE - Disclosed is a method for preparing cerium carbonate that can improve yield or productivity of cerium carbonate and enables preparation of cerium carbonate having uniform diameter, cerium carbonate, and a method for preparing cerium oxide. | 10-06-2011 |
20120000137 | CRYSTALLINE CERIUM OXIDE AND PREPARATION METHOD OF THE SAME - The present invention relates to crystalline cerium oxide prepared in a simple, economical, and efficient manner, of which crystal structure, shape, and size can be easily adjusted and that exhibits excellent polishing properties, and a preparation method thereof. The crystalline cerium oxide can be prepared as sub-micron crystalline cerium oxide that has a mean volume diameter and a diameter standard deviation within a predetermined range. | 01-05-2012 |
20120064326 | POLYURETHANE RESIN COMPOSITION FOR MOUNTING PAD AND POLYURETHANE MOUNTING PAD USING THE SAME - This disclosure relates to a polyurethane resin composition for a mounting pad, including a polyurethane resin, C9-15 alkyl benzene sulfonic acid or a salt thereof, and a DMF solvent, and a polyurethane mounting pad using the same, whereby long and large pores may be uniformly formed thereinside to provide a mounting pad having low hardness, excellent compressibility, and a high compression modulus. | 03-15-2012 |
20130018118 | POLY-URETHANE RESIN AND POLY-URETHANE ABSORBING PAD USING THE SAMEAANM CHOI; Sang-SoonAACI DaejeonAACO KRAAGP CHOI; Sang-Soon Daejeon KRAANM TAE; Young-JiAACI Gwacheon-siAACO KRAAGP TAE; Young-Ji Gwacheon-si KRAANM SHIN; Dong-MokAACI DaejeonAACO KRAAGP SHIN; Dong-Mok Daejeon KRAANM YOON; Keong-YeonAACI SeoulAACO KRAAGP YOON; Keong-Yeon Seoul KRAANM KIM; Na-RiAACI SeoulAACO KRAAGP KIM; Na-Ri Seoul KRAANM AHN; Byeong-InAACI DaejeonAACO KRAAGP AHN; Byeong-In Daejeon KR - The present invention relates to a polyurethane resin composition including a first polyurethane resin and a second polyurethane resin that are different from each other in their compositions, an organic solvent, and a surfactant, and a polyurethane mounting pad manufactured from the resin composition. | 01-17-2013 |
20140206784 | POLYURETHANE RESIN COMPOSITION FOR SUPPORT PAD AND POLYURETHANE SUPPORT PAD USING THE SAME - The present invention relates to a polyurethane resin composition for a support pad including a polyurethane resin, a DMF solvent, an anionic surfactant, and polyethylene glycol (PEG), and a polyurethane support pad including the polyurethane resin composition for a support pad. According to the present invention, long and large pores may be uniformly formed therein, and thus a support pad having an excellent compression rate and compression recovery rate may be provided. | 07-24-2014 |