Invention Grant
- Patent Title: Process for the production of expandable vinyl aromatic polymer granulate having decreased thermal conductivity
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Application No.: US16422049Application Date: 2019-05-24
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Publication No.: US11267170B2Publication Date: 2022-03-08
- Inventor: Filip Lukasz Kondratowicz , Piotr Rojek , Marzena Mikoszek-Operchalska , Kamil Utrata
- Applicant: SYNTHOS S.A.
- Applicant Address: PL Oswiecim
- Assignee: SYNTHOS S.A.
- Current Assignee: SYNTHOS S.A.
- Current Assignee Address: PL Oswiecim
- Agency: Nixon & Vanderhye P.C.
- Priority: EP15461504 20150114
- Main IPC: B29C44/34
- IPC: B29C44/34 ; C08J9/18 ; B29C44/50 ; C08J9/232 ; C08J9/00 ; B29K105/00 ; B29K25/00
Abstract:
The invention relates to an extrusion process for the production of expandable vinyl aromatic polymer granulate comprising mixing first and second additives with first and second polymer components, respectively, in dedicated mixers.
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