P-amino Or P-thio Benzene Diazonium Compound Patents (Class 430/183)
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Patent number: 7118844Abstract: A diazonium salt represented by the following general formula (1) and a thermal recording material using the diazonium salt: General Formula (1) wherein R1 and R2 each independently represents an alkyl group, an aryl group, an acyl group, an alkoxycarbonyl group or a carbamoyl group, and R1 and R2 may be linked each other to form a ring; and R3 to R6 each independently represents a hydrogen atom, a hydroxyl group, a halogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkylsulfonyl group, an arylsulfonyl group or a diazonio group, and at least one of R3, R4, R5 and R6 represents the diazonio group.Type: GrantFiled: September 3, 2003Date of Patent: October 10, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Akinori Fujita, Kimiatsu Nomura, Yoshihiro Jimbo, Hisato Nagase, Toshihide Aoshima, Yasuhiro Mitamura, Tatsuo Kawabuchi
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Patent number: 6927007Abstract: A heat-sensitive recording material including a substrate having disposed thereon a heat-sensitive recording layer containing a diazo compound and a coupler compound capable of reacting with the diazo compound to develop color, wherein the coupler compound includes at least one of anilide derivatives represented by the following formula (1) or tautomers thereof: wherein R1 represents an alkyl group or an aryl group; R2, R3 and R4 each independently represent a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an acyl group, an alkoxy group, an alkoxycarbonyl group, a hydroxycarbonyl group, an aminocarbonyl group, an acylamino group, a cyano group, a nitro group, an arylthio group or an alkylthio group; L represents a group which can leave upon coupling with the diazo compound; m represents 1 or 2; and n represents 1 or 2.Type: GrantFiled: October 27, 2003Date of Patent: August 9, 2005Assignee: Fuji Photo Film Co., Ltd.Inventors: Yohsuke Takeuchi, Akinori Fujita, Daisuke Arioka, Tetsunori Matsushita
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Publication number: 20040086798Abstract: A heat-sensitive recording material including a substrate having disposed thereon a heat-sensitive recording layer containing a diazo compound and a coupler compound capable of reacting with the diazo compound to develop color,Type: ApplicationFiled: October 27, 2003Publication date: May 6, 2004Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Yohsuke Takeuchi, Akinori Fujita, Daisuke Arioka, Tetsunori Matsushita
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Publication number: 20040048185Abstract: A heat-sensitive recording material containing a support and a heat-sensitive recording layer formed on the support, the heat-sensitive recording layer including a diazonium salt and a coupler that thermally reacts with the diazonium salt to develop color.Type: ApplicationFiled: August 29, 2003Publication date: March 11, 2004Applicant: FUJI PHOTO FILM CO., LTDInventors: Hisao Yamada, Hiroshi Sato, Yoshimitsu Arai, Kimi Ikeda
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Patent number: 6245476Abstract: The present invention provides a photo-sensitive and heat-sensitive recording material comprising a substrate supporting thereon a photo-sensitive and heat-sensitive recording layer containing a diazo compound and a coupler, wherein the diazo compound is a compound represented by the following general formula (1) and the diazo compound is enclosed in a microcapsule: wherein, R1 and R2 may be the same or different, and represent an alkyl group having 1 to 5 carbon atoms; R1 and R2 may be bonded to each other to form a ring; R3 and R4 may be the same or different, and represent an alkyl group; and R3 and R4 may be bonded to each other to form a ring. This photo-sensitive and heat-sensitive recording material reveals less change in the base concentration between before and after storage before use.Type: GrantFiled: June 9, 1999Date of Patent: June 12, 2001Assignee: Fuji Photo Film Co., Ltd.Inventors: Tomohiro Kodama, Yohsuke Takeuchi, Kimiatsu Nomura, Yoshihiro Jimbo, Ken Iwakura
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Patent number: 6060206Abstract: Disclosed is a photo- and heat-sensitive recording material comprising a substrate and a photo- and heat-sensitive recording layer formed thereon containing a diazo compound and a coupler, wherein the coupler is a compound represented by the general formula (1) or the general formula (2): ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each independently a hydrogen atom or a substituent group; and R.sup.1 and R.sup.2 may join with each other to form a ring. The reaction between the coupler represented by the general formula (2) and a specific diazo compound produces a magenta colorant having very sharp absorption characteristics. In short, the present invention provides a photo- and heat-sensitive recording material which does not inhibit the fixing and which exhibits excellent color formation, color reproduction, and image durability. Further, the present invention provides a magenta colorant which exhibits excellent absorption characteristics.Type: GrantFiled: October 1, 1998Date of Patent: May 9, 2000Assignee: Fuji Photo Film Co., Ltd.Inventors: Koichi Hanaki, Yasuhiro Mitamura, Atsuhiro Ohkawa
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Patent number: 5952477Abstract: The present invention is concerned with a novel azo compound represented by formula (1), (2) or (3), a water-soluble dye comprising this azo compound, and a polarizing film containing this azo compound. The obtained polarizing film has high hydrothermoresistance and a high polarization degree and is excellent in optical characteristics: ##STR1## wherein each of the groups is defined.Type: GrantFiled: October 15, 1997Date of Patent: September 14, 1999Assignee: Mitsui Chemicals, Inc.Inventors: Tsutami Misawa, Akira Ogiso, Rihoko Imai, Hisato Itoh
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Patent number: 5807707Abstract: An increased level of translation of a selected mRNA molecule is effected by coupling specific nucleotide sequences at the 5'- and 3' -ends of a nucleic acid molecule transcribable to or which itself is the mRNA molecule. The nucleotide sequence at the 5'-end is effective to increase the rate of translation initiation of the mRNA molecule in a cell while the nucleotide sequence at the 3'-end is effective to increase the period of translation of the mRNA molecule in a cell. The nucleotide sequence of the 3'-end is provided by a 3'-untranslated region (3'-UTR) of a gene, particularly that of .beta.-prolactin, or an effective fragment thereof. A polyadenylation sequence preferably is provided at the 3'-end of the 3'-UTR sequence. The 3'-UTR sequence provides mRNA stabilization independent of the poly A tail.Type: GrantFiled: February 12, 1996Date of Patent: September 15, 1998Assignee: McMaster UniversityInventors: David W. Andrews, Martin John Glenton Hughes, Akaterini Vassilakos
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Patent number: 5683850Abstract: A diazo heat-sensitive recording material having excellent raw stock storability and image storage characteristics, which comprises a support having thereon a recording layer comprising a diazo compound, a coupling component and an organic base. The diazo compound is a 4-disubstituted amino-2-alkoxybenzenediazonium salt and the coupling component is a compound represented by the following general formula: ##STR1## wherein R.sub.4, R.sub.5, R.sub.6 and R.sub.7 each represents a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, an alkyloxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyl group, an alkoxycarbonyl group, an acyloxy group, a carbamoyl group, a sulfamoyl group, a halogen atom, a cyano group or a nitro group.Type: GrantFiled: December 2, 1996Date of Patent: November 4, 1997Assignee: Fuji Photo Film Co., Ltd.Inventors: Tetunori Matushita, Hiroshi Sato, Sadao Ishige, Kimiatsu Nomura, Mitsuyuki Tsurumi
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Patent number: 5213939Abstract: A light- and heat-sensitive recording material is disclosed which includes a support having thereon a recording layer containing a diazo compound, a coupling component, and an organic base compound, wherein the diazo compound is a 1-substituted amino-3-alkoxybenzene-4-diazonium salt and the coupling component is a compound prepared from any of cyclohexane-1,3-dione, 3-cyclohexenone, or 2-cyclohexenone. The light- and heat-sensitive recording material according to the present invention can develop an excellent magenta color hue and has excellent storage properties before recording use (shelf life).Type: GrantFiled: September 23, 1991Date of Patent: May 25, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Takekatsu Sugiyama, Sadao Ishige, Naoto Yanagihara, Hiroshi Kamikawa, Keiichi Tateishi
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Patent number: 4618561Abstract: A record memory medium comprises a recording layer comprising a monomolecular film or monomolecular layer built-up film of a photosensitive organic compound having a hydrophilic moiety and a hydrophobic moiety. The medium can be used for recording/reading-out of information and light recording.Type: GrantFiled: November 29, 1984Date of Patent: October 21, 1986Assignee: Canon Kabushiki KaishaInventors: Hirohide Munakata, Yoshinori Tomida, Masahiro Haruta, Yutaka Hirai, Yukuo Nishimura, Takashi Hamamoto
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Patent number: 4590263Abstract: Novel diazonium salts which possess excellent photo speed, good thermal stability, exceptional resistance to discoloration in the D.sub.min areas, rapid development, and allow a wide range of azo dye colors are provided. The diazonium salts are of the following formula: ##STR1## wherein R.sub.1 is tertiary butyl or tertiary amyl; Y is hydrogen, alkyl, hydroxyalkyl, cyanoalkyl, cycloalkyl, aralkyl, alkoxy, aryloxy, aralkoxy, aralkylthio, arylthio, alkylthio, halogen, allyl, allyloxy, allylthio, cyanoalkoxy, hydroxyalkoxy, methoxyalkoxy, trifluoroalkyl, alkylacetylamino, morpholino, or dialkyl carbonamido;R.sub.2 and R.sub.3 are the same or different, and are alkyl, aralkyl, allyl, cyanoalkyl, hydroxyalkyl, hydrogen, acyl, cycloalkyl, beta-chloroalkyl, branched alkyl, or a structure wherein R.sub.2 and R.sub.3 may be linked together to form a heterocyclic structure; andX is an anion.Type: GrantFiled: September 30, 1982Date of Patent: May 20, 1986Assignee: James River Graphics, Inc.Inventors: Robert C. Desjarlais, Everett W. Bennett
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Patent number: 4520094Abstract: A photosensitive composition turning shicky by light exposure, which comprises a salt or p-aminobenzenediazonium compound and at least one of salts of o- and m-aminobenzenediazonium compounds, has a distinguished effect in forming a phosphor screen of a color picture tube.Type: GrantFiled: October 19, 1982Date of Patent: May 28, 1985Assignee: Hitachi, Ltd.Inventors: Hajime Morishita, Motoo Akagi, Nobuaki Hayashi, Saburo Nonogaki, Shoichi Uchino, Takahiro Kohashi
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Patent number: 4411979Abstract: A diazo type thermosensitive recording material comprising a support material and a thermosensitive recording layer formed thereon, wherein the thermosensitive recording layer comprises a diazo compound, a coupler, a thermo-fusible or thermo-softening binder agent and a thermo-fusible material. The weight ratio of the diazo compound and the thermo-fusible material is in the range of 1:2 to 1:30, and both the diazo compound and the coupler exist as separate particles in the thermosensitive recording layer.Type: GrantFiled: January 6, 1982Date of Patent: October 25, 1983Assignee: Ricoh Company, Ltd.Inventors: Masanaka Nagamoto, Yoshihiro Koseki, Susumu Iwata
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Patent number: 4401744Abstract: Disclosure is made of a light-sensitive diazo coating composition and a light-sensitive diazotype reproduction material comprising a base with at least one coating layer comprising a light sensitive diazo compound, coupling component, a stabilizing acid and salt, and a development accelerating and stabilizing composition of 1,3-dimethylurea with urea or with thiourea, which also improves sensitizing solution compatibility and increases printing speed.Type: GrantFiled: May 6, 1981Date of Patent: August 30, 1983Assignee: Andrews Paper & Chemical Co., Inc.Inventor: Peter Muller
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Patent number: 4400458Abstract: It is the purpose and object of the present invention to make better use of the emission range of light sources and to create the diazonium salts necessary for such purpose. The diazonium salts of the present invention of the general formula ##STR1## wherein Y is ##STR2## R.sub.1, R.sub.2 are equal or different and are, alkyl having 1 to 10 carbon atoms, aryl having 6 to 10 carbon atoms in a mono or polycylic ring;R.sub.3 is hydrogen, halogen, alkyl, alkoxy, cyano;R.sub.4 is hydrogen, halogen, alkyl, alkoxy; andX.sup.e is an anion,can be employed with all known couplers and additives in diazotype materials. They have an absorption range of 480 to 550 nm.Type: GrantFiled: September 14, 1981Date of Patent: August 23, 1983Assignee: VEB Filmfabrik WolfenInventors: Fred Walkow, Peter Czerney, Horst Hartmann, Jorg Marx
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Patent number: 4343884Abstract: One component diazotype material is imagewise exposed and developed odorless and curlfree with 0.6-4.5 g/m.sup.2 per square meter of a substantially water free liquid developer in a pressure development or transfer roller apparatus.Type: GrantFiled: December 29, 1980Date of Patent: August 10, 1982Assignee: Andrews Paper & Chemical Co., Inc.Inventors: Peter Muller, Henry Mustacchi
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Patent number: 4334004Abstract: This invention relates to 2-hydroxy-3-naphthoic acid amides of the general formula: ##STR1## wherein R.sub.1 is hydrogen, a substituted or unsubstituted alkyl, cycloalkyl, aralkyl, or aryl group, and R.sub.2 and R.sub.3 are identical or different and are hydrogen, a substituted or unsubstituted alkyl, cycloalkyl, aralkyl, or aryl group, or, together with the nitrogen atom to which they are attached, a substituted or unsubstituted heterocyclic group.Type: GrantFiled: March 16, 1979Date of Patent: June 8, 1982Assignee: Hoechst AktiengesellschaftInventor: Siegfried Scheler
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Patent number: 4289839Abstract: Negative-working diazography material is comprised of (i) at least one diazonium compound, (ii) at least one acid labile enolic, preferably phenolic blocked-coupler adapted to be converted in the presence of acid to an active azo-coupling component, (iii) at least one light-sensitive acid progenitor, and (iv) at least one carboxylic acid anhydride. The diazonium compound can itself concurrently function as the acid progenitor, e.g., when complexed with a Lewis acid. Upon imagewise exposure to light, acid catalyst is photochemically liberated, thus unblocking coupler molecules such that dye image forms under alkaline developing conditions only where the material has been irradiated. Under alkaline developing conditions, the anhydride reacts to render the unused diazo component remaining in the unexposed areas inactive.Type: GrantFiled: February 15, 1980Date of Patent: September 15, 1981Assignee: James River Graphics, Inc.Inventor: Carmine A. DiPippo
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Patent number: 4284705Abstract: Diazonium compounds particularly useful for the preparation of lithographic printing plates, a process for the preparation of this compound and printing plate, and for the use of the plate; and a lithographic plate presensitized with this compound, are described.Type: GrantFiled: December 31, 1979Date of Patent: August 18, 1981Assignee: Eastman Kodak CompanyInventors: Georges A. Phlipot, Jacques R. G. Haeck, Simone J. Kempen
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Patent number: 4275138Abstract: A photosensitive composition is prepared comprising a diazonium compound and a polymer containing at least 50% by weight of the recurring unit represented by the following general formula (I): ##STR1## wherein R.sub.1 represents hydrogen atom or methyl group, R.sub.2 represents hydrogen atom or a methyl, ethyl or chloromethyl group and n is an integer of 1 to 10.Type: GrantFiled: September 14, 1976Date of Patent: June 23, 1981Assignees: Fuji Photo Film Co., Ltd., National Patent Development Corp.Inventors: Nobuyuki Kita, Yasuhisa Narutomi
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Patent number: 4218368Abstract: Aromatic nitro compounds are disclosed where the aromatic ring contains electron-withdrawing groups and said aromatic nitro compound is capable of undergoing intramolecular nucleophilic displacement after reduction of the nitro group. The compounds are especially useful in photographic elements where an image dye-providing material or a photographic reagent are released upon cleavage from the compound.Type: GrantFiled: July 26, 1978Date of Patent: August 19, 1980Assignee: Eastman Kodak CompanyInventors: Jerald C. Hinshaw, Richard P. Henzel
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Patent number: 4215041Abstract: Substituted amino-benzene diazonium compounds particularly useful for the preparation of lithographic printing plates, a process for the preparation of this compound and printing plate, and for the use of the plate; and a lithographic plate presensitized with this compound, are described.Type: GrantFiled: July 12, 1978Date of Patent: July 29, 1980Assignee: Eastman Kodak CompanyInventors: Georges A. Phlipot, Jacques R. G. Haeck, Simone J. Kempen
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Patent number: 4210449Abstract: Copolymers of glycidyl methacrylate and allyl glycidyl ether having pendant epoxy groups, having an inherent viscosity of at least about 0.25, preferably within the range of about 0.25 to about 0.38, and an epoxy equivalent of at least about 0.65 epoxide equivalent per 100 g. of polymer are provided which upon admixture with a radiation-sensitive aryldiazonium salt provide compositions which exhibit improved sensitivity, curing rates and other properties. Articles for recording and storing information from a laser source and other articles such as microfilm are derived from such compositions by subjecting a coated substrate to an energy source of sufficient intensity to decompose the radiation-sensitive catalyst and thus effect polymerization via the epoxy groups of the copolymer.Type: GrantFiled: February 4, 1975Date of Patent: July 1, 1980Assignee: American Can CompanyInventors: Sheldon I. Schlesinger, Veronica Cochran