Plastic castings molds

United States of America Patent

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Nov 23, 2004
Grant Date
Oct 2, 2003
app pub date
Mar 26, 2003
filing date
Aug 31, 1999

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Abstract

The invention is concerned with the problem that with known plastic casting moulds, especially those of polypropylene, the lenses produced with these moulds have a slippery surface. The invention solves this problem through the use of polymers which are notable for their very low oxygen permeability.

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NOVARTIS AG

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Inventor Name	Address	# of filed Patents	Total Citations
Hagmann, Peter	Erlenbach am Main, DE	66	1674
Heinrich, Axel	Schwanewede, DE	37	310
Hoerner, Willi	Sulzbach, DE	4	42
Janssen, Robert Allen	Alpharetta, GA	44	725
Lally, John Martin	Lilburn, GA	50	2231
Seiferling, Bernhard	Goldbach, DE	53	1557
Szokolay, Robert Earl	Norcross, GA	4	42

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Plastic castings molds

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United States of America Patent

10397152

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PATENT NO	6821108
APP PUB NO	20030187090A1
SERIAL NO	10397152
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 23, 2004	US,6821108,B2 US6821108B2	GRANTED PATENT AS SECOND PUBLICATION
October 02, 2003	US,20030187090,A1 US20030187090A1	FIRST PUBLISHED PATENT APPLICATION

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10397152

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