US 5,847,141 AGranted

Photochromic material for electro-optic storage memory

AssigneeMemory Devices, Inc.

InventorJacob Malkin

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Abstract

The present invention relates to the field of photochromic material, in particular of photochromic compounds and matrices suitable for use in optical memory systems, including three dimensional optical memory systems for computers, multimedia applications and the like. The photochromic compounds have the following formula: ##STR1## wherein the substituents are defined in the specification.

Claims24

Dependent claims

Photochromic compounds of the following formula:

##STR14## wherein R.sub.1 to R.sub.11 are independently selected and R.sub.1 is selected from the group consisting of H, n-alkyl, isoalkyl, alkyne, alkene, benzyl, halogen, perfluoroalkyl, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl, S-alkyl, S-alkene, S-alkyne, S-phenyl or S-benzyl;
R.sub.2 is selected from the group consisting of H, n-alkyl, isoalkyl, alkyne, alkene, halogen, perfluoroalkyl, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl, O-benzyl, S-alkyl, S-alkene, S-alkyne, or S-phenyl;
R.sub.3 is selected from the group consisting of H, n-alkyl, isoalkyl, alkyne, alkene, halogen, perfluoroalkyl, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl, O-benzyl, S-alkyl, S-alkene, S-alkyne, S-phenyl or S-benzyl;
R.sub.4 is selected from the group consisting of H, alkyl, alkene, isoalkyl, alkyne, halogen or perfluoroalkyl;
R.sub.5 is selected from the group consisting of H, alkyl, alkene, isoalkyl, alkyne, halogen or perfluoroalkyl;
R.sub.6 is selected from the group consisting of H, n-alkyl, isoalkyl, alkene, alkyne, halogen, --OH, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl or O-benzyl, wherein the phenyl or benzyl group can have the following substituents:
halogen, trifluoromethyl, alkyl, isoalkyl, --OH, O-alkyl, or O-isoalkyl;
R.sub.7 is selected from the group consisting of H, n-alkyl, isoalkyl, alkene, alkyne, halogen, --OH, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl or O-benzyl, wherein the phenyl or benzyl group can have the following substituents:
halogen, trifluoromethyl, alkyl, isoalkyl, --OH, O-alkyl or O-isoalkyl;
R.sub.8 is selected from the group consisting of H, trifluoromethyl, halogen, methyl, ethyl, propyl, isopropyl, butyl or isobutyl;
R.sub.9 is selected from the group consisting of H, trifluoromethyl, halogen, methyl, ethyl, propyl, isopropyl, butyl or isobutyl;
R.sub.10 is selected from the group consisting of H, n-alkyl, isoalkyl, alkene, alkyne, halogen, --OH, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl or O-benzyl, wherein the phenyl or benzyl group can have the following substituents:
halogen, trifluoromethyl, alkyl, isoalkyl, --OH, O-alkyl or O-isoalkyl;
R.sub.11 is selected from the group consisting of H, n-alkyl, isoalkyl, alkene, alkyne, halogen, --OH, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl or O-benzyl, wherein the phenyl or benzyl group can have the following substituents:
halogen, trifluoromethyl, alkyl, isoalkyl, --OH, O-alkyl, or O-isoalkyl;
and Ar is selected from the group consisting of phenyl,1-naphthyl, 2-naphthyl, alkyl substituted phenyl, halogen substituted phenyl, perfluoroalkyl, substituted phenyl, alkyl substituted-1-naphthyl, halogen substituted-1-naphthyl, perfluoroalkyl substituted 1-naphthyl, alkyl substituted-2-naphthyl, halogen substituted-2-naphthyl or perfluoroalkyl substituted-2-naphthyl.

13 more elements

Dependencies are inferred from the claim text.

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Abstract

Photochromic compounds of the following formula:

##STR14## wherein R.sub.1 to R.sub.11 are independently selected and R.sub.1 is selected from the group consisting of H, n-alkyl, isoalkyl, alkyne, alkene, benzyl, halogen, perfluoroalkyl, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl, S-alkyl, S-alkene, S-alkyne, S-phenyl or S-benzyl;
R.sub.2 is selected from the group consisting of H, n-alkyl, isoalkyl, alkyne, alkene, halogen, perfluoroalkyl, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl, O-benzyl, S-alkyl, S-alkene, S-alkyne, or S-phenyl;
R.sub.3 is selected from the group consisting of H, n-alkyl, isoalkyl, alkyne, alkene, halogen, perfluoroalkyl, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl, O-benzyl, S-alkyl, S-alkene, S-alkyne, S-phenyl or S-benzyl;
R.sub.4 is selected from the group consisting of H, alkyl, alkene, isoalkyl, alkyne, halogen or perfluoroalkyl;
R.sub.5 is selected from the group consisting of H, alkyl, alkene, isoalkyl, alkyne, halogen or perfluoroalkyl;
R.sub.6 is selected from the group consisting of H, n-alkyl, isoalkyl, alkene, alkyne, halogen, --OH, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl or O-benzyl, wherein the phenyl or benzyl group can have the following substituents:
halogen, trifluoromethyl, alkyl, isoalkyl, --OH, O-alkyl, or O-isoalkyl;
R.sub.7 is selected from the group consisting of H, n-alkyl, isoalkyl, alkene, alkyne, halogen, --OH, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl or O-benzyl, wherein the phenyl or benzyl group can have the following substituents:
halogen, trifluoromethyl, alkyl, isoalkyl, --OH, O-alkyl or O-isoalkyl;
R.sub.8 is selected from the group consisting of H, trifluoromethyl, halogen, methyl, ethyl, propyl, isopropyl, butyl or isobutyl;
R.sub.9 is selected from the group consisting of H, trifluoromethyl, halogen, methyl, ethyl, propyl, isopropyl, butyl or isobutyl;
R.sub.10 is selected from the group consisting of H, n-alkyl, isoalkyl, alkene, alkyne, halogen, --OH, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl or O-benzyl, wherein the phenyl or benzyl group can have the following substituents:
halogen, trifluoromethyl, alkyl, isoalkyl, --OH, O-alkyl or O-isoalkyl;
R.sub.11 is selected from the group consisting of H, n-alkyl, isoalkyl, alkene, alkyne, halogen, --OH, O-alkyl, O-alkylene, O-isoalkyl, O-alkyne, O-phenyl or O-benzyl, wherein the phenyl or benzyl group can have the following substituents:
halogen, trifluoromethyl, alkyl, isoalkyl, --OH, O-alkyl, or O-isoalkyl;
and Ar is selected from the group consisting of phenyl,1-naphthyl, 2-naphthyl, alkyl substituted phenyl, halogen substituted phenyl, perfluoroalkyl, substituted phenyl, alkyl substituted-1-naphthyl, halogen substituted-1-naphthyl, perfluoroalkyl substituted 1-naphthyl, alkyl substituted-2-naphthyl, halogen substituted-2-naphthyl or perfluoroalkyl substituted-2-naphthyl.

13 more elements