PREPARATION OF A PHOTOCHROMIC INK

United States of America Patent

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Sep 18, 2012
filing date
Jan 8, 2009

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Abandoned

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Abstract

The present invention relates to a photochromic ink, the process for its preparation which is based on a spiropyran powder obtainable by melting, cooling and crushing, and to a new form of a spiropyran obtainable thereby.

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Patent Owner(s)

Patent Owner	Address
BIZERBA GMBH & CO KG	72336 BALINGEN

International Classification(s)

G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
BASF, SE null	Ludwigshafen, DE	2	4
Feiler, Leonhard	Binzen, DE	28	125
Fuchs, Andre	Schliengen-Obereggenen, DE	19	100
Hügin, Max	Runenberg, CH	4	0
Inderbitzin, Bruno	Bouxwiller, FR	6	11
Maurer, Marc	Village-Neuf, FR	47	318
Raimann, Thomas	Sisseln, CH	11	43

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PREPARATION OF A PHOTOCHROMIC INK

Number of patents in Portfolio can not be more than 2000

United States of America Patent

13621957

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13621957

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