| Title of Invention | "METHOD FOR PREPARING A SUPERPLASTICIZER" |
|---|---|
| Abstract | The invention chiefly concerns a method for preparing polyalkoxylated polycarboxylates in which the following are caused to react in the presence of water and a catalyst at a temperature of between 120 and 250°C: - at least one polycarboxylic acid obtained by polymerization of at least one unsaturated carboxylic acid; and at least one polyether carrying a free hydroxyl group capable of reacting with a carboxylic function of the said polycarboxylic acid, characterized in that the catalyst is an alkaline or alkaline-earth salt of a strong protic acid. Figure: none |
| Full Text | NA |
|---|
| Patent Number | 271148 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Indian Patent Application Number | 7555/DELNP/2011 | |||||||||
| PG Journal Number | 06/2016 | |||||||||
| Publication Date | 05-Feb-2016 | |||||||||
| Grant Date | 04-Feb-2016 | |||||||||
| Date of Filing | 30-Sep-2011 | |||||||||
| Name of Patentee | CHRYSO | |||||||||
| Applicant Address | 19 PLACE DE LA RESISTANCE, F-92440 ISSY LES MOULINEAUX, FRANCE | |||||||||
Inventors:
|
||||||||||
| PCT International Classification Number | C08G 81/00 | |||||||||
| PCT International Application Number | PCT/FR2010/05078 | |||||||||
| PCT International Filing date | 2010-03-30 | |||||||||
PCT Conventions:
|
||||||||||