Patents
US 12742033 B2: Method for the production of stable polyoxymethylene copolymers (cPOM)
- Granted
- 2026-09-22
- Filed
- 2019-07-10 application 17260151
- Type
- Utility · 9 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present invention relates to a method for the deactivation of an acid catalyst during the production process of a polyoxymethylene copolymer (cPOM) by adding triisopropanolamine (tris(2-hydroxypropyl)amine) to a mixture which comprises the polyoxymethylene copolymer (cPOM) and the acid catalyst.
Source: PTBLXML, file of 2026-09-22 (ipgb20260922.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| BASF SE 6,481 patents | Foreign company or organization | Ludwigshafen am Rhein, DE | PTBLXML, file of 2026-09-22 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Thomas Heitz | Ludwigshafen am Rhein, DE | 8 | PTBLXML, file of 2026-09-22 | |
| Juergen Demeter | Ludwigshafen am Rhein, DE | 2 | PTBLXML, file of 2026-09-22 | |
| Anna Karina Moeller | Ludwigshafen am Rhein, DE | PTBLXML, file of 2026-09-22 | ||
| Cho In-Gi | Gimheon City, KR | PTBLXML, file of 2026-09-22 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C08G | Macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds | C08G2/28 | PTBLXML, file of 2026-09-22 |
| B01J | Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus | B01J31/146 | PTBLXML, file of 2026-09-22 |
| C08L | Compositions of macromolecular compounds | C08L59/04 | PTBLXML, file of 2026-09-22 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.