Invention Application
- Patent Title: METHODS OF MAKING UV REFLECTIVE PARTICLES
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Application No.: US17621083Application Date: 2020-06-25
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Publication No.: US20220355523A1Publication Date: 2022-11-10
- Inventor: Yuanqiao Rao , Nikhil J. Fernandes , Hyunwoo Kim , Lei Liu
- Applicant: DOW GLOBAL TECHNOLOGIES LLC , ROHM AND HAAS COMPANY
- Applicant Address: US MI Midland; US PA Collegeville
- Assignee: DOW GLOBAL TECHNOLOGIES LLC,ROHM AND HAAS COMPANY
- Current Assignee: DOW GLOBAL TECHNOLOGIES LLC,ROHM AND HAAS COMPANY
- Current Assignee Address: US MI Midland; US PA Collegeville
- International Application: PCT/US2020/039635 WO 20200625
- Main IPC: B29C48/00
- IPC: B29C48/00 ; B29C48/07 ; B29C48/21 ; B29C48/71 ; B29B9/04 ; B29B9/12
Abstract:
Described herein are UV reflective particles, and methods of forming UV reflective particles, comprising extruding a film having a plurality of alternating layers of polycarbonate (PC) and poly(methyl methacrylate) (PMMA), wherein each layer is less than 150 nm thick, and grinding the film into particles having a median particle size less than 200 microns.
Public/Granted literature
- US12070884B2 Methods of making UV reflective particles Public/Granted day:2024-08-27
Information query
