Patent US3388700A successfully refreshed from Google Patents.
Patent EP0710893A1 successfully refreshed from Google Patents.
EP0710893A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Charge transporting polymer, process for producing the same, and organic electronic device containing the same
Assignee: Fujifilm Business Innovation Corp
•
Filing: 1995-10-18
•
Granted: —
•
Expires: 2015-10-18
Abstract
Abstract A charge transporting polymer represented by formula (I): wherein R represents a hydrogen atom, an alkyl group, an acyl group or -CONH-R', wherein R' represents an alkyl group or a substituted or unsubstituted aryl group; R₁ and R₂, which may be the same or different, each represent a hydrogen atom, an alkyl group, an alkoxy group, a substituted amino group, a halogen atom, or a substituted or unsubstituted aryl group; X represents a substituted or unsubstituted divalent aromatic group; y represents 0 or 1; m represents 0 or 1; n represents an integer of 1 to 5; and p represents an integer of 5 to 5000, a process for producing the same, and an organic electron device containing the same, such as an electrophotographic photoreceptor are disclosed. The charge transporting polymer is excellent in solubility, film-forming properties, mechanical strength, positive hole mobility, and stability to repeated use.
Inventors
- 👤 Masahiro C/O Fuji Xerox Co. Ltd. Iwasaki
- 👤 Akira C/O Fuji Xerox Co. Ltd. Imai
- 👤 Katsumi C/O Fuji Xerox Co. Ltd. Nukada
- 👤 Katsuhiro c/o Fuji Xerox Co. Ltd. Sato
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 10:43
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/34; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/07; G03G5/075; G03G5/076; G03G5/0763; G03G5/0766; G03G5/0664; G03G5/0696
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
106 words
A charge transporting polymer represented by formula (I): wherein R represents a hydrogen atom, an alkyl group, an acyl group or -CONH-R', wherein R' represents an alkyl group or a substituted or unsubstituted aryl group; R₁ and R₂, which may be the same or different, each represent a hydrogen atom, an alkyl group, an alkoxy group, a substituted amino group, a halogen atom, or a substituted or unsubstituted aryl group; X represents a substituted or unsubstituted divalent aromatic group; y represents 0 or 1; m represents 0 or 1; n represents an integer of 1 to 5; and p represents an integer of 5 to 5000.
Claim 2
Dependent Claim
99 words
A charge transporting polymer according to claim 1, wherein said polymer is a tetraarylbenzidine polyether represented by formula (I-1): wherein R represents a hydrogen atom, an alkyl group, an acyl group or -CONH-R', wherein R' represents an alkyl group or a substituted or unsubstituted aryl group; R₁, R₂, and R₃, which may be the same or different, each represent a hydrogen atom, an alkyl group, an alkoxy group, a substituted amino group, a halogen atom, or a substituted or unsubstituted aryl group; n represents an integer of 1 to 5; and p represents an integer of 5 to 5000.
Claim 3
Dependent Claim
144 words
A process for producing a charge transporting polymer represented by formula (I): wherein R represents a hydrogen atom, an alkyl group, an acyl group or -CONH-R', wherein R' represents an alkyl group or a substituted or unsubstituted aryl group; R₁ and R₂, which may be the same or different, each represent a hydrogen atom, an alkyl group, an alkoxy group, a substituted amino group, a halogen atom, or a substituted or unsubstituted aryl group; X represents a substituted or unsubstituted divalent aromatic group; y represents 0 or 1; m represents 0 or 1; n represents an integer of 1 to 5; and p represents an integer of 5 to 5000, which comprises intermolecular condensation of a charge transporting compound having a hydroxyl group, the charge transporting compound being represented by formula (II): wherein R₁, R₂, X, y, m, and n are as defined above.
Claim 4
Dependent Claim
73 words
A process for producing a charge transporting polymer according to claim 3, wherein the charge transporting compound represented by formula (II) is a compound represented by formula (II-1): wherein R₁, R₂, and R₃, which may be the same or different, each represent a hydrogen atom, an alkyl group, an alkoxy group, a substituted amino group, a halogen atom, or a substituted or unsubstituted aryl group; n represents an integer of 1 to 5.
Claim 5
Dependent Claim
117 words
An organic electronic device containing in a charge transporting layer thereof a charge transporting polymer represented by formula (I): wherein R represents a hydrogen atom, an alkyl group, an acyl group or -CONH-R', wherein R' represents an alkyl group or a substituted or unsubstituted aryl group; R₁ and R₂, which may be the same or different, each represent a hydrogen atom, an alkyl group, an alkoxy group, a substituted amino group, a halogen atom, or a substituted or unsubstituted aryl group; X represents a substituted or unsubstituted divalent aromatic group; y represents 0 or 1; m represents 0 or 1; n represents an integer of 1 to 5; and p represents an integer of 5 to 5000.
Claim 6
Dependent Claim
59 words
An organic electron device according to claim 5, wherein said organic electron device is an electrophotographic photoreceptor having a photosensitive layer, in which said photosensitive layer contains at least one said charge transporting polymer as a charge transporting material and at least one charge generating material selected from halogenogallium phthalocyanine, halogenotin phthalocyanine, hydroxygallium phthalocyanine, titanyl phthalocyanine, and oxytitanyl phthalocyanine.
References Cited (Backward Citations)
EP0295113A2
Cited
EP0550161A1
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.