Patents Assigned to Mitsubishi Chemical Industries, Limited
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Patent number: 4724001Abstract: A naphthalenedisazoic dye represented by general formula (I); ##STR1## wherein Q represents ##STR2## or a naphthalene group substituted by --SO.sub.3 M; R represents a methyl group, a methoxy group, an ethoxy group; X represents a hydrogen atom, a phenyl group substituted by --SO.sub.3 M; m represents 1 or 2; n represents 1 when X represents a hydrogen atom and n represents zero when X represents a phenyl group substituted by --SO.sub.3 M, wherein X represents a hydrogen atom and m represents 1 when Q represents a naphthalene group substituted by --SO.sub.3 M; and M represents an alkali metal atom, an ammonium, or H.A (wherein A represents an amine), and a recording liquid containing the dye. The recording liquid is suitable for use in an ink-jet recording system.Type: GrantFiled: May 7, 1986Date of Patent: February 9, 1988Assignees: Canon Kabushiki Kaisha, Mitsubishi Chemical Industries LimitedInventors: Tokuya Ohta, Masatsune Kobayashi, Yuko Suga, Konoe Miura, Hiroshi Takimoto, Tomio Yoneyama
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Patent number: 4722996Abstract: Disclosed herein is an under-hood material for motorcars, prepared by molding a polymide resin comprising a caproamide component and/or a hexamethylene adipamide component as the major component thereof and having hydrocarbon groups of 6 to 22 carbon atoms as the end groups thereof, wherein (a) the number of the hydrocarbon groups is 5 to 100% of the total number of the end groups of the polyamide and (b) a relative viscosity of the polyamide is 2 to 6.Type: GrantFiled: April 9, 1986Date of Patent: February 2, 1988Assignee: Mitsubishi Chemical Industries LimitedInventors: Hideo Kanai, Yukinobu Murakami, Norimichi Koga
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Patent number: 4722934Abstract: The present invention relates to a thiadiazole derivative of the following general formula (I) and an insecticidal and miticidal composition containing the same as an active ingredient: ##STR1## wherein A represents a group of the formula ##STR2## R.sup.1 and R.sup.2 independently represent a hydrogen atom, a halogen atom, a lower alkyl group, a trifluoromethyl group, a cyano group or a nitro group or jointly represent a methylenedioxy group, R.sup.3 represents a hydrogen atom or a lower alkyl group, R.sup.4 represents a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a monoalkylamino group having a lower alkyl group or a dialkylamino group having lower alkyl group, and n is an integer of from 1 through 3.Type: GrantFiled: March 16, 1987Date of Patent: February 2, 1988Assignee: Mitsubishi Chemical Industries LimitedInventors: Susumu Matsumoto, Shigeru Suzuki, Hiroki Ohta, Yoshiaki Higashino, Toshiki Fukuchi
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Patent number: 4720506Abstract: Phenylacetic acid derivatives of the formula: ##STR1## wherein R.sup.1 is hydrogen or ##STR2## wherein R.sup.5 is an alkyl group of 1-6 carbon atoms or an aryl group; R.sup.2 and R.sup.3 are independently hydrogen or an alkyl group of 1-4 carbon atoms; R.sup.4 is hydrogen or an alkyl group of 1-4 carbon atoms, have been found to possess immunomodulating activity.Type: GrantFiled: May 4, 1987Date of Patent: January 19, 1988Assignees: Nippon Shinyaku Company, Limited, Mitsubishi Chemical Industries LimitedInventors: Hiroaki Munakata, Makio Kobayashi, Kazuo Wagatsuma, Shigeru Sato, Makoto Tsurufuji, Hiroshi Enomoto, Makoto Sugiyama, Yoshihisa Shibata, Iwao Morita
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Patent number: 4720576Abstract: A process for dehalogeno-dimerization reaction of an aromatic halide compound which comprises dimerizing aromatic halide compound having at least one halogen atom attached to a carbon atom in the aromatic nucleus, and optionally having a substituent other than the halogen atom, in the presence of a platinum group metal catalyst, carbon monoxide, and an alkali metal compound and/or an alkaline earth metal compound.Type: GrantFiled: September 18, 1986Date of Patent: January 19, 1988Assignee: Mitsubishi Chemical Industries LimitedInventors: Keisuke Wada, Keiichi Sato
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Patent number: 4720464Abstract: An electrolyte for Karl Fischer coulometric titration, which contains(a) iodine or an iodine compound,(b) sulfur dioxide,(c) a halogenated hydrocarbon or an aromatic hydrocarbon,and(d)(i) an amine of the following general formula (I), an amine of the following general formula (II) and a monohydric alcohol, or(ii) an amine of the following general formula (I) and/or an amine of the following general formula (II) and a polyhydric alcohol or an ether compound thereof of the following general formula (III):General formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each represent a hydrogen atom, an alkyl group, a pyridyl group or a pyrrolidinyl group;General formula (II): ##STR2## wherein R.sup.3 -R.sup.10 each represent a hydrogen atom or an alkyl group, and m is an integer of 1-5;General formula (III):R.sup.11 O--(CH.sub.2).sub.n --OR.sup.12 (III)wherein R.sup.11 and R.sup.12 each represent a hydrogen atom or an alkyl group, and n is 2 or 3.Type: GrantFiled: November 26, 1984Date of Patent: January 19, 1988Assignee: Mitsubishi Chemical Industries, LimitedInventors: Sinichi Kuwata, Hiromasa Katoh, Mitsumasa Ono
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Patent number: 4719296Abstract: A spiroxazine compound represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 each represents an alkyl group, an allyl group, an aryl group or an aralkyl group; rings A and B each represents a substituted or unsubstituted benzene ring, a substituted or unsubstituted naphthalene ring or a substituted or unsubstituted heterocyclic ring; X represents an oxygen atom or a sulfur atom; and n represents an integer of from 1 to 6, and a photochromic composition containing said spiroxazine compound are disclosed. The compound is excellent in compatibility to and solubility in high molecular weight compounds, and the composition containing the same stably develops a color of high density upon irradiation of ultraviolet rays.Type: GrantFiled: January 27, 1986Date of Patent: January 12, 1988Assignee: Mitsubishi Chemical Industries LimitedInventors: Masahiro Irie, Shuichi Maeda
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Patent number: 4716161Abstract: A phenylpiperazine derivative according to the present invention has the following general formula [I]: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen or alkoxy group having 1 to 3 carbon atoms, orR.sup.1 and R.sup.2 or R.sup.2 and R.sup.3 together with carbon atoms to which they are attached form --O(CH.sub.2).sub.m O-- wherein m is an integer of 1 to 3, oreither R.sup.1 or R.sup.2 is amine residue selected from the group consisting of --NH.sub.2 , --NHSO.sub.2 CH.sub.3, --NHCOCH.sub.3 and --NHCONH.sub.2 and the other is hydrogen or alkoxy group of 1 to 3 carbon atoms and R.sup.3 is hydrogen;R.sup.4 and R.sup.5 are independently hydrogen or alkyl group of 1 to 3 carbon atoms;Y is --CO-- or --SO.sub.2 -- provided that at least one of R.sup.1 and R.sup.2 is not hydrogen when Y is --CO--; andn is an integer of 2 to 4.An acid addition salt of the phenylpiperazine derivative having the general formula [I] is included in the present invention.Type: GrantFiled: April 3, 1985Date of Patent: December 29, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Harukazu Fukami, Ryoji Kikumoto, Kenichiro Nakao, Issei Nitta, Shinya Inoue
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Patent number: 4714481Abstract: A gas separation membrane using, as the material for the membrane, a polymer having the main repeating unit of the formula: ##STR1## and/or formula: ##STR2## (where R represents alkyl group, vinyl group, allyl group, cycloalkyl group, aryl group, benzyl group or hydrogen atom, each R being possibly identical or different to each other) and having the number average molecular weight of between 1,000-1,000,000, or a partially or wholly hydrogenated product of said polymer with the unsaturation bonds therein.Type: GrantFiled: July 20, 1983Date of Patent: December 22, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Junichi Matsuura, Munehisa Okada
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Patent number: 4711867Abstract: A catalystic composition suitable for producing acrylonitrile from propylene, ammonia and oxygen (or oxygen-containing gas), which composition is represented by the following formula:(Mo).sub.a (W).sub.b (Bi).sub.c (Pb).sub.d (B).sub.e (Sb).sub.f (X).sub.g (O).sub.h(where: X is chromium or iron; a, b, c, d, e, f, g and h denote respectively number of atoms for molybdenum, tungsten, bismuth, lead, boron, antimony, X and oxygen, and wherein, if it is given that a+b=12, 0.ltoreq.b.ltoreq.7, 0.4.ltoreq.c.ltoreq.7, 2.ltoreq.d.ltoreq.12, 0.2/22.ltoreq.e/a.ltoreq.40/22, 0.ltoreq.f/a.ltoreq.25/22, and 0.ltoreq.g/a.ltoreq.3/22; and h denotes the number of oxygen necessary for satisfying the atomic valence for the individual constituent elements other than oxygen).Type: GrantFiled: February 27, 1986Date of Patent: December 8, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Masakatsu Hatano, Kazunori Oshima, Tatsuya Ihara, Kenichi Kiyono
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Patent number: 4707536Abstract: Disclosed herein is a process for producing aromatic polyketone, comprising reacting a compound represented by the formula (I): ##STR1## wherein each of R.sup.1 to R.sup.12 represents a hydrogen atom, a halogen atom, a hydrocarbon group or an alkoxy group; X.sup.1 and X.sup.2 respectively represent an oxygen atom or a sulfur atom and n is an integer of from 0 to 5,with phosgene (i) in the presence of a fluoroalkanesulfonic acid or (ii) in hydrogen fluoride in the presence of boron trifluoride at a temperature of from 65.degree. to 90.degree. C.Type: GrantFiled: December 5, 1985Date of Patent: November 17, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Norihiko Yoneda, Tsuyoshi Fukuhara, Seiichi Nozawa
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Patent number: 4707512Abstract: Disclosed herein is a polyester composition comprising a polyester and a modified copolymer of ethylene and an .alpha.-olefin prepared by grafting (1) an ester of an .alpha.,.beta.-unsaturated carboxylic acid represented by the formula(I): ##STR1## wherein n is an integer of from 0 to 4; m is an integer of from 1 to 10; R.sup.1 and R.sup.2 respectively represent a hydrogen atom or an alkyl group and R.sup.3 represents a hydrogen atom, an alkyl group or a carboxyl group, or (2) said ester of an .alpha.,.beta.-unsaturated carboxylic acid represented by the formula (I) and n .alpha.,.beta.-unsaturated carboxylic acid or an anhydride thereof with a copolymer of ethylene and an .alpha.-olefin.Type: GrantFiled: July 11, 1985Date of Patent: November 17, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Seiichiro Maruyama, Hironori Hayashida, Kazumasa Morita, Yoshitaka Shiraishi
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Patent number: 4707546Abstract: A reactive monoazo dyestuff of the general formula [I]: ##STR1## wherein R.sup.1 and R.sup.2 each represents substituted or unsubstituted alkyl, cyclohexyl, aralkyl or substituted or unsubstituted aryl, Z represents hydrogen, chlorine, methyl or acylamino, (A) represents substituted or unsubstituted alkylene, (B) represents oxygen or --NH--, X represents fluorine or chlorine, and Y represents --NR.sup.4 R.sup.5 or --OR.sup.6 wherein R.sup.4, R.sup.5 and R.sup.6 each represents hydrogen, substituted or unsubstituted alkyl, alkenyl, cyclohexyl, aryl or aralkyl, or --NR.sup.4 R.sup.5 represents a 5- or 6-membered nitrogen-containing heterocyclic ring formed by combining R.sup.4 and R.sup.5.Type: GrantFiled: January 23, 1986Date of Patent: November 17, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Toshio Niwa, Kiyoshi Himeno, Toshio Hihara
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Patent number: 4705554Abstract: A benzofuranyloxyphenylurea derivative having the formula: ##STR1## wherein X is a halogen atom or a trifluoromethyl group, n is an integer of from 0 to 2, Y is a hydrogen atom, a halogen atom or a trifluoromethyl group, R.sup.1 is a lower alkyl group, and R.sup.2 is a lower alkyl group, a lower alkenyl group, a lower alkynyl group or a lower alkoxy group. The compounds are useful as herbicides.Type: GrantFiled: November 14, 1986Date of Patent: November 10, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Susumu Matsumoto, Shigeru Suzuki, Hisao Watanabe, Hiroshi Hanabe
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Patent number: 4705828Abstract: Disclosed herein are a polypropylene resin composition comprising 100 parts by weight of propylene homopolymer showing a stereoregularity of a boiling heptane-insoluble part thereof of not less than 0.960 as an isotactic pentad rate obtained by .sup.13 C-NMR and 0.01 to 2 parts by weight of a hydrocarbon polymer having completely or partially saturated main hydrocarbon chain and at least one hydroxy group at an end of the main hydrocarbon chain, and a biaxially stretched film comprising the polypropylene resin composition.Type: GrantFiled: February 6, 1986Date of Patent: November 10, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Yoshio Matsumoto, Toshio Fujii, Yoshinao Shinohara, Kiyoshi Fukuda
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Patent number: 4704458Abstract: Disclosed herein is an improved process for preparing 1RS-3'RS epimer of aminated phthalideisoquinolines represented by the general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen atom or a lower alkoxy group, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are independently hydrogen atom, amino group or a lower alkoxy group with at least one of R.sup.3 -R.sup.6 being amino group, and R.sup.7 is a lower alkyl group. The improvement comprises, after having reduced a mixture of epimers of corresponding nitro compounds of the general formula (I) wherein the amino group is replaced by nitro group into the amino compounds (I), treating said amino compound at a temperature in the range of 20.degree.-100.degree. C. in an aliphatic lower alcohol in the presence of an alkali to epimerize 1RS-3'SR epimer of said amino compound into said 1RS-3'RS epimer thereof.Type: GrantFiled: January 23, 1985Date of Patent: November 3, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Yoshiyuki Takeda, Osamu Kawashima, Shiro Furukawa, Yasukazu Ogino
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Patent number: 4699982Abstract: A perinone compound represented by the formula ##STR1## wherein R represents arylene; R and R', which may be the same or different, each represents alkoxyalkyl, hydroxyalkyl, N,N-dialkylaminoalkyl, cycloalkyl or aralkyl; and X represents oxygen or sulfur. The perinone compound fluoresces a yellowish green to orange color and is useful as a fluorescent dye or dyestuff.Type: GrantFiled: September 4, 1985Date of Patent: October 13, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Toshio Niwa, Kiyoshi Himeno, Junji Yoshihara
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Patent number: 4696991Abstract: A blocked polyisocyanurate having the formula: ##STR1## wherein each of X, Y and Z which may be the same or different, is a residue of a diisocyanate compound devoid of the isocyanate groups, each of R.sup.1, R.sup.2 and R.sup.3 which may be the same or different, is a group selected from the group consisting of C.sub.1 -C.sub.20 alkyl, alkoxyalkyl, aryl, alkaryl and aralkyl, and n is an integer of from 1 to 10.Type: GrantFiled: August 6, 1986Date of Patent: September 29, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Yoshimichi Kobayashi, Hisaharu Hotta
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Patent number: 4695568Abstract: This invention relates novel thieno[2,3-d]pyrimidine derivatives represented by the following general formula (I): ##STR1## or salts thereof; wherein R.sup.1 and R.sup.2 independently represent hydrogen, halogen or alkyl group having 1 to 6 carbon atoms; or R.sup.1 and R.sup.2 may concatenate to form a cycloalkylene group having 5 or 6 ring carbon atoms; R.sup.3 and R.sup.4 independently represent hydrogen or alkyl group having 1 to 6 carbon atoms; R.sup.5 represents a member selected from(1) hydrogen or alkyl having 1 to 6 carbon atoms,(2) ##STR2## in which m is an integer of from 1 to 3 and X represents halogen, or (3) ##STR3## in which R.sup.6 represents alkyl group having 1 to 6 carbon atoms; Ar represents substituted or unsubstituted phenyl, or 2- or 3-thienyl group; and n is 2 or 3. The derivatives of the invention can be used in the treatment of the various depression disease or the higher dysfunction of the brain.Type: GrantFiled: December 24, 1984Date of Patent: September 22, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Kunihiro Ninomiya, Issei Nitta, Akihiro Tobe, Mitsuo Egawa, Ryoji Kikumoto
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Patent number: 4686286Abstract: A disazo reaction dyestuff for cellulose fibers which is of the formula: ##STR1## wherein D is a residue of a monoazo dye, R.sup.1 is hydrogen or lower alkyl, and X is a group: ##STR2## wherein R.sup.2 and R.sup.3 are each hydrogen, methyl, methoxy or --SO.sub.3 M, Y is an aromatic or aliphatic divalent residue and M is hydrogen or an alkali metal.Type: GrantFiled: May 17, 1985Date of Patent: August 11, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Toshio Niwa, Yoshiaki Katoh