Invention Grant
- Patent Title: In-situ formed polyols, a process for their preparation, foams prepared from these in-situ formed polyols and a process for their preparation
-
Application No.: US17199594Application Date: 2021-03-12
-
Publication No.: US11572433B2Publication Date: 2023-02-07
- Inventor: Sharlene A. Lewis , Jack R. Reese , Nigel Barksby , Brian L. Neal
- Applicant: Covestro LLC
- Applicant Address: US PA Pittsburgh
- Assignee: Covestro LLC
- Current Assignee: Covestro LLC
- Current Assignee Address: US PA Pittsburgh
- Agent Donald R. Palladino
- Main IPC: C08G18/28
- IPC: C08G18/28 ; C08G18/30 ; C08G18/48 ; C08G18/76 ; C08G65/26 ; C08G101/00
Abstract:
This invention relates to an in-situ formed polyol blend having an overall functionality of 2 to 3 and an overall hydroxyl number of 50 to 150. A process for preparing these polyol blends is also disclosed. These in-situ formed polyol blends are suitable for preparing viscoelastic flexible polyurethane foams. A process for preparing these foams is also disclosed.
Public/Granted literature
Information query
