Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...
Reexamination Certificate
2002-10-16
2009-02-17
Boykin, Terressa M (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Process of treating scrap or waste product containing solid...
C264S176100, C264S219000, C524S094000, C524S381000, C524S404000, C525S418000, C525S437000, C525S438000, C525S444000, C525S464000, C528S015000, C528S031000, C528S032000, C528S035000, C528S271000, C528S272000, C528S480000
Reexamination Certificate
active
07491751
ABSTRACT:
A method for processing polyester wastes, especially used polyester bottles, which comprises shredding, washing, drying and melting the waste mixture to obtain a starting raw material wherein a modifying agent selected from the group comprising a combination of polysiloxane and a plasticizer selected from the group of phthalates, or a combination of silazanes and silanes is added to the shredded and dried waste mixture, the amount of the modifying agent being 4 to 6% by weight, based on the waste mixture.
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International Search Report dated Apr. 29, 2003 issued in corresponding PCT/CZ/02/00055.
Bulgakov Viktor
Dadiani Levan
Javakhishvili George
Boykin Terressa M
Buchanan & Ingersoll & Rooney PC
PTP Plastic Technologies and Products B.V.
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