US4555472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic coating film and radiation-sensitive member having the film
Assignee: Canon Inc
•
Filing: 1984-02-06
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Granted: 1985-11-26
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Expires: 2004-02-06
Abstract
Abstract An optical recording member having an organic coating film comprising a compound of the general formula: ##STR1## wherein; Z 1 is an atomic group necessary to form a substituted or unsubstituted nitrogen-containing heterocyclic compound ring; Z 2 is an atomic group necessary to form a substituted or unsubstituted pyrane, thiapyrane, selenapyrane, benzopyrane, benzothiapyrane, benzoselenapyrane, naphthopyrane, naphathiopyrane, or naphthoselenapyrane ring; X is a sulfur, oxygen, or selenium; Z 3 is a divalent hydrocarbon residue necessary to form a 5- or 6-membered ring substituted or unsubstituted; R 11 is a hydrogen atom or substituted or unsubstituted alkyl; R 12 and R 13 each are a hydrogen atom, halogen atom, alkyl, alkoxy, aryl, substituted aryl, styryl, substituted styryl, or substituted or unsubstituted heterocyclic residue; R 14 is a hydrogen or halogen atom; A.sup.⊖ is an anion; m and n each are 0 or 1; and l is 0, 1, or 2.
Inventors
- 👤 Kazuharu Katagiri
- 👤 Yoshihiro Oguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:35
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0664; G03G5/0666; G03G5/0672; G03G5/0674; G11; G11B; G11B7/00; G11B7/24; G11B7/241; G11B7/242; G11B7/244; G11B7/246; G11B7/247; G11B7/245; G11B7/2472; G11B7/252; G11B7/253; G11B7/2531; G11B7/2533; G11B7/2535; G11B7/258; G11B7/2585; G11B7/259
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
152 words
An optical recording member including, in sequence, a disc substrate, and a film comprising a compound of the general formula: ##STR52## wherein; Z 1 is an atomic group necessary to form a substituted or unsubstituted nitrogen-containing heterocyclic compound ring; Z 2 is an atomic group necessary to form a substituted or unsubstituted pyrane, thiapyrane, selenapyrane, benzopyrane, benzothiapyrane, benzoselenapyrane, naphthopyrane, naphathiopyrane, or naphthoselenapyrane ring; X is a sulfur, oxygen, or selenium; Z 3 is a divalent hydrocarbon residue necessary to form a 5- or 6-membered ring substituted or unsubstituted; R 11 is a hydrogen atom or substituted or unsubstituted alkyl; R 12 and R 13 each are a hydrogen atom, halogen atom, alkyl, alkoxyl, aryl, substituted aryl, styryl, substituted styryl, or substituted or unsubstituted heterocyclic residue; R 14 is a hydrogen or halogen atom; A.sup.⊖ is an anion; m and n each are 0 or 1; and l is 0, 1, or 2.
Claim 2
Dependent Claim
152 words
An optical recording member including, in sequence, a disc substrate, and a film comprising a compound of the general formula: ##STR52## wherein; Z 1 is an atomic group necessary to form a substituted or unsubstituted nitrogen-containing heterocyclic compound ring; Z 2 is an atomic group necessary to form a substituted or unsubstituted pyrane, thiapyrane, selenapyrane, benzopyrane, benzothiapyrane, benzoselenapyrane, naphthopyrane, naphathiopyrane, or naphthoselenapyrane ring; X is a sulfur, oxygen, or selenium; Z 3 is a divalent hydrocarbon residue necessary to form a 5- or 6-membered ring substituted or unsubstituted; R 11 is a hydrogen atom or substituted or unsubstituted alkyl; R 12 and R 13 each are a hydrogen atom, halogen atom, alkyl, alkoxyl, aryl, substituted aryl, styryl, substituted styryl, or substituted or unsubstituted heterocyclic residue; R 14 is a hydrogen or halogen atom; A.sup.⊖ is an anion; m and n each are 0 or 1; and l is 0, 1, or 2.
Claim 3
Dependent Claim
28 words
The optical recording member according to claim 1, including, in sequence, a disc substrate, a reflecting layer and said film, wherein said film is an organic coating film.
Claim 4
Dependent Claim
23 words
The optical recording member according to claim 1, wherein the reflecting layer is a vapor-deposited layer or laminate layer of a reflective metal.
Claim 5
Dependent Claim
17 words
The optical recording member according to claim 3, wherein the reflective metal is aluminum, silver or chromium.
Claim 6
Dependent Claim
35 words
The optical recording member according to claim 1, including a disc substrate for supporting said film, said substrate formed of a polyester resin, acrylic resin, polyolefin resin, phenolic resin, polyamide resin, polyimide resin, or glass.
Claim 7
Dependent Claim
20 words
The optical recording member according to claim 1, wherein Z 3 in the general formula (1) is the residue ##STR53##
Claim 8
Dependent Claim
28 words
The optical recording member according to claim 1, wherein Z 3 in the general formula (1) is the residue ##STR54## condensed with a benzene ring or naphthalene ring.
Claim 9
Dependent Claim
19 words
The optical recording member according to claim 1, wherein X in the general formula (1) is a sulfur atom.
Claim 10
Dependent Claim
25 words
The optical recording member according to claim 1, wherein Z 2 in the general formula (1) is an atomic group necessary to form thiapyrane ring.
Claim 11
Dependent Claim
25 words
The optical recording member according to claim 1, wherein Z 1 in the general formula (1) is an atomic group necessary to form benzothiazole ring.
Claim 12
Dependent Claim
25 words
The optical recording member according to claim 1, wherein Z 1 in the general formula (1) is an atomic group necessary to form quinoline ring.
Claim 13
Dependent Claim
22 words
The optical recording member according to claim 1, wherein said film comprises the compound of the general formula (1) and a binder.
Claim 14
Dependent Claim
23 words
The optical recording member according to claim 1, wherein said film comprises a vapor-deposited film of the compound of the general formula (1).
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-11-25 | 1989-05-27 | 1989-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-11-25 | 1993-05-27 | 1993-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-11-25 | 1997-05-27 | 1997-11-26 | $7700.00 | Window Closed / Lapsed |