BIOGRADE (HONG KONG) PTY LTD. Patent applications |
Patent application number | Title | Published |
20110086950 | MASTERBATCH AND POLYMER COMPOSITION - The present invention relates to a method of preparing a biodegradable polymer composition, said method comprising melt mixing a first biodegradable polyester and a masterbatch, wherein said masterbatch has been formed separately by melt mixing in the presence of a transesterification catalyst a polysaccharide, a second biodegradable polyester and a biodegradable polymer having pendant carboxylic acid groups. | 04-14-2011 |
20090312456 | MASTERBATCH AND POLYMER COMPOSITION - The present invention relates to a method of preparing a biodegradable polymer composition, said method comprising melt mixing a first biodegradable polyester and a masterbatch, wherein said masterbatch has been formed separately by melt mixing in the presence of a transesterification catalyst a polysaccharide, a second biodegradable polyester and a biodegradable polymer having pendant carboxylic acid groups. | 12-17-2009 |