EP4713376A1 - Verfahren zur herstellung von polymeren mit niedrigem restacrylamid und deren verwendung - Google Patents
Verfahren zur herstellung von polymeren mit niedrigem restacrylamid und deren verwendungInfo
- Publication number
- EP4713376A1 EP4713376A1 EP24725664.7A EP24725664A EP4713376A1 EP 4713376 A1 EP4713376 A1 EP 4713376A1 EP 24725664 A EP24725664 A EP 24725664A EP 4713376 A1 EP4713376 A1 EP 4713376A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- acrylamide
- based polymer
- treatment agent
- emulsion
- polymer emulsion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/001—Removal of residual monomers by physical means
- C08F6/003—Removal of residual monomers by physical means from polymer solutions, suspensions, dispersions or emulsions without recovery of the polymer therefrom
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F22/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof
- C08F22/36—Amides or imides
- C08F22/38—Amides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/006—Removal of residual monomers by chemical reaction, e.g. scavenging
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202363503046P | 2023-05-18 | 2023-05-18 | |
| PCT/US2024/024388 WO2024238056A1 (en) | 2023-05-18 | 2024-04-12 | Method for producing polymers with low residual acrylamide and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4713376A1 true EP4713376A1 (de) | 2026-03-25 |
Family
ID=91076828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24725664.7A Pending EP4713376A1 (de) | 2023-05-18 | 2024-04-12 | Verfahren zur herstellung von polymeren mit niedrigem restacrylamid und deren verwendung |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4713376A1 (de) |
| CN (1) | CN121152815A (de) |
| AU (1) | AU2024273020A1 (de) |
| WO (1) | WO2024238056A1 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9602415D0 (en) * | 1996-02-07 | 1996-04-03 | Allied Colloids Ltd | Polyacrylamide particles |
| US6060265A (en) * | 1996-12-18 | 2000-05-09 | Cytec Technology Corporation | Methods for the detoxification of nitrile and/or amide compounds |
| DE19748153A1 (de) * | 1997-10-31 | 1999-05-06 | Stockhausen Chem Fab Gmbh | Verfahren zur Herstellung kationischer Polyelektrolyte |
| AUPS166702A0 (en) * | 2002-04-10 | 2002-05-16 | Life Therapeutics Limited | Polyacrylamide hydrogels |
| EP2933271B1 (de) * | 2014-04-15 | 2016-03-23 | Basf Se | Verfahren zur herstellung von wasserlöslichen homo- oder copolymeren umfassend (meth)acrylamid |
-
2024
- 2024-04-12 EP EP24725664.7A patent/EP4713376A1/de active Pending
- 2024-04-12 CN CN202480033393.8A patent/CN121152815A/zh active Pending
- 2024-04-12 WO PCT/US2024/024388 patent/WO2024238056A1/en not_active Ceased
- 2024-04-12 AU AU2024273020A patent/AU2024273020A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN121152815A (zh) | 2025-12-16 |
| AU2024273020A1 (en) | 2025-12-04 |
| WO2024238056A1 (en) | 2024-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20251215 |
|
| AK | Designated contracting states |
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