Process for producing coated polymeric articles and the articles produced thereby

United States of America Patent

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Nov 18, 2003
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Jul 17, 2003
app pub date
Aug 17, 1998
filing date
Aug 17, 1998

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Expired

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Abstract

A method for producing a coated polymeric article by co-extruding polypropylene and a maleic anhydride modified polypropylene, corona-treating, and applying a polysilicate barrier is described. Also provided are films and bottles produced using this method.

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Patent Owner	Address
HOECHST TRESPAPHAN GMBH	BERGSTRASSE D-66539 NEUNKIRCHEN

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B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

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Inventor Name	Address	# of filed Patents	Total Citations
Prasad, Ravi	Charlotte, NC	133	3294

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Process for producing coated polymeric articles and the articles produced thereby

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09135228

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PATENT NO	6649235
APP PUB NO	20030134058A1
SERIAL NO	09135228
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 18, 2003	US,6649235,B2 US6649235B2	GRANTED PATENT AS SECOND PUBLICATION
July 17, 2003	US,20030134058,A1 US20030134058A1	FIRST PUBLISHED PATENT APPLICATION

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09135228

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