IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0032313
(1979-04-23)
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발명자
/ 주소 |
- Van Allan James A. (Rochester NY) Rossi Louis J. (Rochester NY) Bloom Melvin S. (Penfield NY) Regan Michael T. (Fairport NY) Wright Hal E. (Rochester NY) Kaukeinen Joseph Y. (Rochester NY)
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출원인 / 주소 |
- Eastman Kodak Company (Rochester NY 02)
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인용정보 |
피인용 횟수 :
1 인용 특허 :
1 |
초록
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In general, materials having the structure [Figure] wherein n equals 1 or 2; A represents phenylene, naphthylene, anthracenyl, anthracenediyl, and dibenzothien-diyl; R1 and R2which may be the same or different when taken alone represent hydrogen, cyano, alkylcarbonyl and arylcarbamoyl, arylcarbonyl,
In general, materials having the structure [Figure] wherein n equals 1 or 2; A represents phenylene, naphthylene, anthracenyl, anthracenediyl, and dibenzothien-diyl; R1 and R2which may be the same or different when taken alone represent hydrogen, cyano, alkylcarbonyl and arylcarbamoyl, arylcarbonyl, cyanoaryl; R1 and R2, when taken together, represent sufficient atoms to form substituted and unsubstituted radicals selected from the group consisting of furanylidene, fluorenylidene, pyrimidinylidene, thiazolidinylidene, pyrrolinyl, and indenyl, isoxazolinylidene, pyrazolinylidene and indanylidene, wherein said substituents are selected from the group consisting of hydrogen, cyano, aryl, oxo, thioxo, nitro, alkyl, nitroaryl, carbamoyl and cyanoalkyl; and alkyl represents an alkyl group having from one to six carbon atoms; aryl represents an aromatic nucleus selected from the group consisting of benzene, naphthalene or anthracene, are useful in electrophoretic migration imaging processes.
대표청구항
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An electrophoretic migration imaging dispersion comprising an electrically insulating carrier, a charge control agent and an electrically photosensitive material having the following structure: [Figure] wherein n equal 1 or 2; A represents phenylene, napthylene, anthracenyl, anthracenediyl, and dib
An electrophoretic migration imaging dispersion comprising an electrically insulating carrier, a charge control agent and an electrically photosensitive material having the following structure: [Figure] wherein n equal 1 or 2; A represents phenylene, napthylene, anthracenyl, anthracenediyl, and dibenzothien-diyl; R1 and R2, which may be the same or different when taken along, represent hydrogen, cyano, alkylcarbonyl and arylcarbamoyl, arylcarbonyl, cyanoaryl; R1 and R2, when taken together, represent sufficient atoms to form substituted and unsubstituted radicals selected from the group consisting of furanylidene, fluorenylidene, pyrimidinylidene, thiazolidinylidene, pyrrolinyl, indenyl, isoxazolinylidene, pyrazolinylidene and indanylidene, wherein said substituents are selected from the group consisting of hydrogen, cyano, aryl, oxo, thioxo, nitro, alkyl, nitroaryl, carbamoyl and cyanoalkyl; alkyl, represents an alkyl group having from one to six carbon atoms; aryl, represents an aromatic nucleus selected from the group consisting of benzene, napthalene or anthracene; except that when: (A) A represents an anthracene nucleus and (i) R1 and R2 when taken together represent 1,3,-5-trihydro-2,4,6-trioxo-pyrimidin-5-ylidene; 3-cyano-4-phenyl-2-oxopyrrolin-5-ylidene; or 3-carboxyinden-1-ylidene; or (ii) R1 taken alone represents cyano and R2 represents methyl sulfonyl, phenylcarbamoyl or ethoxycarbonyl; or (iii) either R1 or R2 is alkylcarbonyl or phenylcarbonyl; then n represents 2; or (B) A represents a phenylene nucleus and R1 and R2 taken together represent 4,5-dicyano-1,3-dithio-2-ylidene, then n represents 2; or (C) R1 is hydrogen, R2 must be other than hydrogen.
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