Phthalocyanine derivatives and their applications in optical...

Details Phthalocyanine derivatives and their applications in optical... Phthalocyanine derivatives and their applications in optical...

Filed on

2007-10-02

Date issued

2007-10-02

Examiner

Richter, Johann R. (Department: 1624)

Patent Class

Organic compounds -- part of the class 532-570 series

SubClass

Organic compounds

SubSubClass

Heterocyclic carbon compounds containing a hetero ring...

Other Related Categories

C430S270160, C430S059400, C430S945000

Type

Reexamination Certificate

Status

active

Patent number

11149252

Description

ABSTRACT:
An optical recording medium is disclosed, which is composed of a substrate, a recording layer comprising an organic dye upon which information can be recorded by a laser beam, a reflective layer and a protective layer formed in such order; whereas the aforementioned organic dye is a substituted phthalocyanine compound chemically bonded to substituted or un-substituted ferrocene via an anhydride group and a bridge unit G, wherein said G is selected from —O—, —S—, —S—(CH2)1-6—, —(NH)—, —N(alkyl)—, —(CH2)—, —CH(alkyl)—, —C(alkyl)2—, —(CH2—O)—, —C(═O)—, —C—O—C(═O)—, —O—C(═O)—, and —C(═O)—O—.

REFERENCES:
patent: 2002/0099204 (2002-07-01), Wolleb et al.

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