Invention Grant
- Patent Title: Method for the production and stabilization of impact-modified polycarbonate compositions using diluted solutions of acidic compounds
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Application No.: US14353827Application Date: 2012-10-23
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Publication No.: US09637632B2Publication Date: 2017-05-02
- Inventor: Andreas Seidel , Hans-Juergen Thiem
- Applicant: Covestro Deutschland AG
- Applicant Address: DE Leverkusen
- Assignee: Covestro Deutschland AG
- Current Assignee: Covestro Deutschland AG
- Current Assignee Address: DE Leverkusen
- Agency: K&L Gates LLP
- Priority: EP11186663 20111026
- International Application: PCT/EP2012/070981 WO 20121023
- International Announcement: WO2013/060685 WO 20130502
- Main IPC: C08J3/20
- IPC: C08J3/20 ; C08L69/00 ; C08L67/02 ; C08J3/22
Abstract:
The present invention relates to a process for the preparation of stabilized impact-modified polycarbonate compositions using dilute aqueous acidic solutions, and to the compositions so prepared themselves.
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