Invention Grant
- Patent Title: Method for producing flame retardant polyurethane foams using halogen-free flame retardants
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Application No.: US16734507Application Date: 2020-01-06
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Publication No.: US11192991B2Publication Date: 2021-12-07
- Inventor: Sven Meyer-Ahrens , Stephan Reiter , Engin Cavlan , Matthäus Gossner
- Applicant: Covestro Deutschland AG
- Applicant Address: DE Leverkusen
- Assignee: Covestro Deutschland AG
- Current Assignee: Covestro Deutschland AG
- Current Assignee Address: DE Leverkusen
- Agent Donald R. Palladino; N. Denise Brown
- Priority: EP14193606 20141118
- Main IPC: C08G18/48
- IPC: C08G18/48 ; C08J9/00 ; C08G18/76 ; C08K5/523 ; C07F9/12 ; C09K21/12 ; C08K5/00 ; C08G101/00
Abstract:
The present invention relates to a process for producing flame-retarded polyurethane foams, in particular flexible polyurethane foams, using halogen-free flame retardants, wherein the resulting flame-retarded polyurethane foams exhibit low emission values coupled with good mechanical properties. The present invention further relates to halogen-free flame retardants.
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