Artificial marble reutilizing waste materials and...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Reexamination Certificate

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Details

C428S015000, C524S425000, C524S437000, C524S492000, C524S560000

Reexamination Certificate

active

10897733

ABSTRACT:
Provided is a process for preparing an artificial marble plate by reutilizing waste materials such as defective goods of conventional industrial highly light-transmissive polymethylmethacrylate based sheets, remnants produced during product-processing and the like, including polymethylmethacrylate based LCD light guide panels, having a refractive index of 1.47 to 1.53 and excellent optical characteristics wherein the polymer has an average molecular weight of 30,000 to 150,000.

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patent: 1728162 (1992-04-01), None
Derwent Abstract 1993-115305 of Derwent Week 199314 for SU 1728162 A1, Apr. 23, 1992.
Full English-language translation of SU 1728162 A1, Apr. 23, 1992.

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