Oxygen indicator for packaging

United States of America Patent

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Jul 2, 1985
Grant Date
N/A
app pub date
Dec 16, 1982
filing date
Dec 16, 1982

priority date (Note)
Expired

status (Latency Note)

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Abstract

A tamper-resistant package containing in an anerobic environment a leuco dye free of reducing agent which dye becomes colored upon reaction with oxygen.

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Patent Owner(s)

Patent Owner	Address
PERLMAN DANIEL	94 OAKLAND AVENUE ARLINGTON MA 02476

International Classification(s)

G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Linschitz, Henry	35 Riverside Dr., Waltham, MA 02154	1	96
Perlman, Daniel	94 Oakland Ave., Arlington, MA 02174	140	1855

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Oxygen indicator for packaging

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United States of America Patent

06450234

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Patent Longevity Expired	Forward Citations

PATENT NO	4526752
SERIAL NO	06450234
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06450234

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Abstract

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