Patent application number | Description | Published |
20090192320 | MODIFIED BIO-RELATED SUBSTANCE, PROCESS FOR PRODUCING THE SAME, AND INTERMEDIATE - A modified bio-related substance, wherein at least one poly(alkylene glycol)oxy group represented by the following formula (1) is combined in a molecule: | 07-30-2009 |
20100261863 | MULTIBRANCHED POLYOXYALKYLENE COMPOUND AND PRODUCING METHOD THEREOF - A multibranched polyoxyalkylene compound represented by the following formula (1): | 10-14-2010 |
20100286361 | PURIFICATION METHOD OF HIGH-MOLECULAR-WEIGHT POLYOXYALKYLENE DERIVATIVE - A purification method in which, from a specific polyoxyalkylene derivative having a molecular weight of 8,800 to 100,000, an impurity differing in the number of hydroxyl groups is separated, the method including steps (A), (B), (C), and (D). Step (A): a step in which an aprotic organic solvent is used in an amount at least 5 times by weight the amount of the polyoxyalkylene derivative to dissolve the polyoxyalkylene derivative therein and give a solution; step (B): a step in which an adsorbent comprising an oxide containing at least one of aluminum and silicon is added to the solution in an amount 0.5 to 5 times by weight the amount of the polyoxyalkylene derivative to thereby yield a slurry; step (C): a step in which the slurry is stirred at 25° C. or higher; step (D): a step in which the polyoxyalkylene derivative is recovered from the slurry. | 11-11-2010 |
20110082277 | MODIFIED BIO-RELATED SUBSTANCE, PROCESS FOR PRODUCING THE SAME, AND INTERMEDIATE - A modified bio-related substance, wherein at least one poly(alkylene glycol)oxy group represented by the following formula (1) is combined in a molecule: | 04-07-2011 |
20110218322 | POLYALKYLENE GLYCOL DERIVATIVE AND PROCESS FOR PRODUCING SAME - An object of the present invention is to provide a process for producing a polyalkylene glycol derivative having such high molecular weight and purity that the derivative can be used in pharmaceutical applications. | 09-08-2011 |
20110245509 | POLYFUNCTIONAL POLYOXYALKYLENE COMPOUND, AND PRODUCING METHOD AND INTERMEDIATE THEREOF - A polyfunctional polyoxyalkylene compound represented by the following formula (1): | 10-06-2011 |
20120277477 | Method For Manufacturing Hydroxyl Group-containing Acetal Compound - A method for manufacturing an acetal compound represented by the formula [1] in which the steps (A) to (D) as defined herein are performed sequentially, and an acetal compound of the formula [1] which is produced by the method: | 11-01-2012 |
20130172576 | BRANCHED HETERO POLYFUNCTIONAL POLYOXYALKYLENE COMPOUND AND INTERMEDIATE THEREOF - A branched hetero polyfunctional polyoxyalkylene compound represented by the following formula (1): | 07-04-2013 |