Method and apparatus for the production of polarization holograms

United States of America Patent

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Jun 26, 2012
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Sep 3, 2009
app pub date
Jan 31, 2007
filing date
Feb 9, 2006

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Expired

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Abstract

The present invention relates to a method for the production of polarization holograms, an apparatus for the production of polarization holograms and the use of the polarization holograms according to the invention as data stores, security features or diffractive optical elements for performing conventional optical functions.

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BAYER INNOVATION GMBH	40225 DÜSSELDORF

International Classification(s)

G03H:HOLOGRAPHIC PROCESSES OR APPARATUS

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Inventor Name	Address	# of filed Patents	Total Citations
Asfour, Jean-Michel	Weinheim, DE	20	396
Eberhard, Dietmar	Kenzingen, DE	8	38
Giel, Dominik	Freiburg im Breisgau, DE	2	1
Jüngermann, Hardy	Düsseldorf, DE	2	7
Riedel, Wolfgang	Freiburg, DE	12	135
Schneider, Stephan	Münster, DE	39	248
Völkening, Stephan	Köln, DE	6	13

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Method and apparatus for the production of polarization holograms

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12278908

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PATENT NO	8208185
APP PUB NO	20090219590A1
SERIAL NO	12278908
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 26, 2012	US,8208185,B2 US8208185B2	GRANTED PATENT AS SECOND PUBLICATION
September 03, 2009	US,20090219590,A1 US20090219590A1	FIRST PUBLISHED PATENT APPLICATION

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12278908

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