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"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
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
30 September 2011
Publication Number
06/2013
Publication Type
INA
Invention Field
POLYMER TECHNOLOGY
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2016-02-04
Renewal Date
Applicants
CHRYSO
19 PLACE DE LA RESISTANCE, F-92440 ISSY LES MOULINEAUX, FRANCE
Inventors
1. ALEXANDRE DESSEROIR
2 RUE DE 8 MAI 1945, F - 28700 SAINVILLE, FRANCE
2. PHILIPPE MAITRASSE
3 IMPASSE DU GRAND ORMES, F-45170 CHILLEURS AUX BOIS, FRANCE
Specification
NA
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 7555-delnp-2011-Correspondence-Others-(29-02-2012).pdf | 2012-02-29 |
| 2 | 7555-delnp-2011-Form-5.pdf | 2012-03-26 |
| 3 | 7555-delnp-2011-Form-3.pdf | 2012-03-26 |
| 4 | 7555-delnp-2011-Form-2.pdf | 2012-03-26 |
| 5 | 7555-delnp-2011-Form-18.pdf | 2012-03-26 |
| 6 | 7555-delnp-2011-Form-1.pdf | 2012-03-26 |
| 7 | 7555-delnp-2011-Drawings.pdf | 2012-03-26 |
| 8 | 7555-delnp-2011-Description (Complete).pdf | 2012-03-26 |
| 9 | 7555-delnp-2011-Correspondence-others.pdf | 2012-03-26 |
| 10 | 7555-delnp-2011-Claims.pdf | 2012-03-26 |
| 11 | 7555-delnp-2011-Abstract.pdf | 2012-03-26 |
| 12 | 7555-delnp-2011-GPA-(28-06-2012).pdf | 2012-06-28 |
| 13 | 7555-delnp-2011-Correspondence-others-(28-06-2012).pdf | 2012-06-28 |
| 14 | 7555-delnp-2011-Form-3-(07-10-2015).pdf | 2015-10-07 |
| 15 | 7555-delnp-2011-Correspondence Others-(07-10-2015).pdf | 2015-10-07 |
| 16 | Petition Under Rule 137 [29-10-2015(online)].pdf | 2015-10-29 |
| 17 | Other Document [29-10-2015(online)].pdf | 2015-10-29 |
| 18 | 7555-delnp-2011-GPA-(30-10-2015).pdf | 2015-10-30 |
| 19 | 7555-delnp-2011-Drawings-(30-10-2015).pdf | 2015-10-30 |
| 20 | 7555-delnp-2011-Correspondence Others-(30-10-2015).pdf | 2015-10-30 |
| 21 | OTHERS [31-10-2015(online)].pdf | 2015-10-31 |
| 22 | Examination Report Reply Recieved [31-10-2015(online)].pdf | 2015-10-31 |
| 23 | Description(Complete) [31-10-2015(online)].pdf | 2015-10-31 |
| 24 | Correspondence [31-10-2015(online)].pdf | 2015-10-31 |
| 25 | Claims [31-10-2015(online)].pdf | 2015-10-31 |
| 26 | Abstract [31-10-2015(online)].pdf | 2015-10-31 |
| 27 | Petition Under Rule 137 [22-12-2015(online)].pdf | 2015-12-22 |
| 28 | Other Document [22-12-2015(online)].pdf | 2015-12-22 |
| 29 | 7555-delnp-2011-Form-1-(23-12-2015).pdf | 2015-12-23 |
| 30 | 7555-delnp-2011-Correspondence Others-(23-12-2015).pdf | 2015-12-23 |
| 31 | 7555-DELNP-2011_EXAMREPORT.pdf | 2016-06-30 |
| 32 | 271148-7555-DELNP-2011.pdf | 2018-12-10 |