Patents Assigned to SS Pharmaceutical Co., Ltd.
  • Patent number: 4987144
    Abstract: Disclosed herein is 1,3-bis(1,2,4-triazol-1-yl)-2-(4-trifluoromethylphenyl)propan-2-ol represented by the following formula (I): ##STR1## An antimycotic preparation containing the triazole compound (I) is also disclosed. Also disclosed is a method for the prevention and/treatment of a deep-seated mycosis of a human or mammal, which comprises administering an effective dose of the triazole compound (I) to the human or mammal.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: January 22, 1991
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Yoshihiko Kanamaru, Minoru Tokizawa, Masaru Matsumoto, Takemitsu Asaoka, Hideaki Matsuda, Tadayuki Kuraishi
  • Patent number: 4977275
    Abstract: A pyrrole derivative having excellent anti-microbial activities is disclosed. This compound is represented by the following formula (I): ##STR1## wherein X.sub.1 and X.sub.2 are the same or different and mean individually a halogen atom, R.sub.1 denotes an alkyl, cycloalkyl, haloalkyl, alkenyl, substituted or unsubstituted phenyl, substituted or unsubstituted aralkyl group or a group --COR.sub.3 in which R.sub.3 is an alkyl group having at least five carbon atoms or a cycloalkyl, haloalkyl, alkenyl, substituted or unsubstituted phenyl, substituted or unsubstituted aralkyl, or heterocyclic group, and R.sub.2 stands for a hydrogen or halogen atom or an alkyl group, with a proviso that R.sub.1 is other than a hydrogen atom or methyl group when X.sub.1, X.sub.2 and R.sub.2 are each a bromine atom.
    Type: Grant
    Filed: April 5, 1989
    Date of Patent: December 11, 1990
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Hiroshi Hasegawa, Kinichi Mogi, Noriaki Shioiri, Susumu Sato, Tatsuhiko Katori
  • Patent number: 4968825
    Abstract: A platinum complex having a superior antitumor activity is disclosed. The platinum complex has a structure represented by the formula: ##STR1## wherein A and B independently represent a lower alkanoyloxy group which may have a halogen atom substituent, or in combination represent a group: ##STR2## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom, a hydroxyl group, or a lower alkyl group, or in combination with each other and with the adjacent carbon atom a cyclobutane ring, and R.sub.3 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogen atom, a sulfo group, or nitro group.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: November 6, 1990
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Koichi Yokoi, Kinichi Mogi, Kazuhiko Irinoda, Hidehiko Kohya, Susumu Sato, Tatsuhiko Katori
  • Patent number: 4942172
    Abstract: A method of curing or alleviating hepatic disease comprising administrating to the patient 1,3-dithiole-2-thione or 1,3-dithiolane-2-thione is disclosed. Adminstration of the compound can be made in various dosing forms, including tablets, granules, powders, capsules, suspensions, injections, and suppositories. Normal dosing amount can be determined from the range of 0.01 to 50 mg/kg/day for oral administration, and 0.002 to 10 mg/kg/day for injection or other forms of administration.
    Type: Grant
    Filed: May 20, 1988
    Date of Patent: July 17, 1990
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Hitoshi Nakazawa, Mari Ohtsuka, Hideaki Matsuda, Tatsuhiko Katori, Kazuhiko Irinoda
  • Patent number: 4933447
    Abstract: A quinoline derivative represented by the following formula is disclosed. ##STR1## wherein R.sub.1 represents a hydrogen atom or an alkyl group which may contain a substituent and R.sub.2 represents an alkyl group which may contain a substituent, or R.sub.1 and R.sub.2 in combination with each other and with the adjacent nitrogen atom from a ring which may contain a nitrogen atom other than said adjacent nitrogen atom, an oxygen atom, or a substituent, and R.sub.3 represents a cyano group, a carbamoyl group, or a lower alkoxycarbonyl group. The compound exhibits superior cardiotonic activity and vasodilative activity, and thus is effective as a medicine.
    Type: Grant
    Filed: September 16, 1988
    Date of Patent: June 12, 1990
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Fujiko Koono, Norimitsu Umehara, Hideaki Matsuda, Tatsuhiko Katori
  • Patent number: 4925953
    Abstract: Novel imidazole derivatives and their acid adducts are disclosed. The imidazole derivatives are represented by formula: ##STR1## wherein R.sub.1 represents an alkyl group, R.sub.2 represents a hydrogen atom, an alkyl group which may have a substituent, or an aralkyl group which may have a substituent, provided that R.sub.1 and R.sub.2 are not both methyl groups at the same time. They have strong antimicrobial activity, especially against those fungi belonging to the genera Candida, Trichophyton, Microsporum, and Epidermorphyton, as well as against Gram-positive bacteria, and thus are useful as an antimicrobial agent.
    Type: Grant
    Filed: November 29, 1988
    Date of Patent: May 15, 1990
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Minoru Tokizawa, Takemitsu Asaoka, Hideaki Matsuda, Tatsuhiko Katori
  • Patent number: 4906665
    Abstract: Novel hydroxyalkylcysteine derivatives of the following formula (I) and an expectorant comprising the same are disclosed. ##STR1## wherein n represents an integer of 5 to 24. The expectorant is stabile, has little side effects and toxicity, and exhibits an excellent expectorant effect.
    Type: Grant
    Filed: June 13, 1989
    Date of Patent: March 6, 1990
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Yoshikuni Itoh, Hiroyuki Mizuno, Chikako Kiyohara, Susumu Sato, Tatsuhiko Katori
  • Patent number: 4904809
    Abstract: A platinum complex having a superior antitumor activity is disclosed. The platinum complex has a structure represented by the formula: ##STR1## wherein A and B independently represent a lower alkanoyloxy group which may have a halogen atom substituent, or in combination represent a group: ##STR2## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom, a hydroxyl group, or a lower alkyl group, or in combination with each other and with the adjacent carbon atom a cyclobutane ring, and R.sub.3 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogen atom, a sulfo group, or nitro group.
    Type: Grant
    Filed: September 16, 1988
    Date of Patent: February 27, 1990
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Koichi Yokoi, Kinichi Mogi, Kazuhiko Irinoda, Hidehiko Kohya, Susumu Sato, Tatsuhiko Katori
  • Patent number: 4876359
    Abstract: Novel .gamma.-butyrolactone derivatives having strong ACE inhibitory activity are provided. They are represented by the following general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different and mean individually a hydrogen atom or a straight-chain or branched alkyl or cycloalkyl group, or R.sup.1 and R.sup.2 are bonded together to mean an alkylene group having 2-6 carbon atoms, R.sup.3 denotes a hydrogen atom or a lower alkyl, aralkyl, amino lower alkyl or lower alkoxycarbonylamino lower alkyl group, R.sup.4 means a lower alkyl, cycloalkyl or aralkyl group, R.sup.5 means a hydrogen atom or a lower alkyl group, or R.sub.4 and R.sub.5 are bonded together to denote an alkylene group having 2-4 carbon atoms, and R.sup.6 stands for a hydrogen atom or a lower alkyl or aralkyl group; or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: October 1, 1987
    Date of Patent: October 24, 1989
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Hiroshi Hasegawa, Noriaki Shioiri, Tadashi Narita, Tatsuhiko Katori
  • Patent number: 4866176
    Abstract: A 8-piperazinyl-1,7-naphthyridine derivative represented by the following formula (I): ##STR1## in which R represents a hydrogen atom, formyl group, acyl group, aroyl group, heteroaroyl group, substituted phenyl group, pyridyl group, aralkyl group or substituted or unsubstituted benzenesulfonyl group; and an acid adduct salt thereof. The compound has excellent antiinflammatory, antiarrhythmic and cardiotonic effects, and thus is useful as an antiinflammatory drug and a medicine for circulatory organs.
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: September 12, 1989
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Haruyoshi Honda, Yuko Yoshida, Tadayuki Kouda, Hideaki Matsuda, Tatsuhiko Katori
  • Patent number: 4849512
    Abstract: Derivatives of 3-acylamino-3-deoxyallose represented by the following formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 may be hydrogen atoms, or R.sup.1 and R.sup.2, and R.sup.3 and R.sup.4 may be in combination an isopropylidene group, R.sup.5 represents a hydrogen atom or alkyl group, and R.sup.6 represents a hydrogen atom or acyl group, are disclosed. One of the typical compound 3-deoxy-3-(3-tetradecanoyloxytetradecanoylamino)-1,2:5,6-di-O-isopropylide ne- .alpha.-D-allofuranose is prepared by reacting 3-tetradecanoyloxytetradecanoic acid and 3-amino-3-deoxy-1,2:5,6-di-O-isopropylidene-.alpha.-D-allofuranose in the presence of N,N'-dicyclohexylcarbodiimide, as a dehydrating agent. The compound has an excellent carcinostatic activity.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: July 18, 1989
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Minoru Tokizawa, Mari Otsuka, Kazuhiko Irinoda, Seiji Ishizeki, Fumio Ishii, Kenichi Kukita, Hideaki Matsuda, Tatsuhiko Katori
  • Patent number: 4835287
    Abstract: A substance SS42227 represented by the following formula (I): ##STR1## in which X represents >CH.sub.2 or >C=CHOH. The substance has antimicrobial and antitumor activities, and thus is useful as a medicine.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: May 30, 1989
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Katsuhiko Nagaoka, Masaru Matsumoto, Koichi Yokoi, Junji Oono, Kenichi Kukita, Toshiaki Nakashima
  • Patent number: 4814436
    Abstract: Derivatives of .alpha.,.alpha.-trehalose-6,6'-fatty acid diester having phosphoric ester groups in the molecule which are useful as a carcinostatic agent. One of the derivatives may be prepared by reacting diphenylphosphoryl chloridate with a derivative of 2,3,2',3'-tetra-O-benzyl-.alpha.,.alpha.-trehalose-6,6'-fatty acid diester. Another derivative may be obtained by substituting benzyl groups at 2,3,2',3' positions of trehalose with hydrogen atoms.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: March 21, 1989
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Akihiro Shibata, Hideaki Matsuda, Hidehiko Kohya, Tatsuhiko Katori
  • Patent number: 4761477
    Abstract: A 13-propylberberine salt, which is represented by the following general formula (I): ##STR1## wherein X.sup.- means HSO.sub.4 or H.sub.2 PO.sub.4, has strong inhibitory effect against secretion, good stability and high water solubility. Its effects are shown promptly after its oral administration.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: August 2, 1988
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Tetsuro Ikekawa, Fumitake Shimada, Jong-Chol Cyong, Kazuo Uebaba
  • Patent number: 4740601
    Abstract: An imidazole derivative having antimicrobial activities against bacteria, fungi, yeast, pathogenic plant fungi and the like represented by the following general formula (I): ##STR1## wherein R.sub.1 means a hydrogen or halogen atom or a lower alkyl group, R.sub.2 denotes a hydrogen atom or an alkyl, alkenyl, haloalkyl or substituted or unsubstituted benzyl group, R.sub.3 stands for a hydrogen or halogen atom, and R.sub.4 is a substituted or unsubstituted benzylthio group, a phenylthio, alkylthio, alkenylthio, furfurylthio, alkoxy or phenoxy group or a halogen atom; or an acid addition salt thereof.
    Type: Grant
    Filed: December 15, 1986
    Date of Patent: April 26, 1988
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Masaki Ogawa, Hideaki Matsuda, Takemitsu Asaoka, Junji Oono, Tatsuhiko Katori
  • Patent number: 4728659
    Abstract: Disclosed herein are aminomethyl derivatives each of which is of the following general formula (I): ##STR1## wherein A represents a group --C.tbd.C-- or --CH.dbd.CH--, Y represents a group ##STR2## (in which R.sub.3 being a lower alkyl or alkoxy group or a halogen atom) or ##STR3## (in which R.sub.4 being a hydrogen atom or R.sub.3), and R.sub.1 and R.sub.2 represent individually a lower alkyl group, with a proviso that Y is other than the group ##STR4## when A means the group --CH.dbd.CH--, their preparation process and platelet aggregation inhibitors containing same.
    Type: Grant
    Filed: June 25, 1985
    Date of Patent: March 1, 1988
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Susumu Sato, Tadayuki Kouda, Tatsuhiko Katori
  • Patent number: 4690924
    Abstract: Certain 1,7-naphthyridine derivatives and their acid addition salts have strong anticholinergic effects, cardiotonic effects, diuretic effects, bronchodilation effects, anti-acetylocholine effects, anti-inflammatory effects, analgesic effects and the like and are hence useful for various diseases such as heart diseases, hypertension, asthma, arthritis, lumbago, toothache, etc.
    Type: Grant
    Filed: December 9, 1986
    Date of Patent: September 1, 1987
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Susumu Sato, Haruyoshi Honda, Teruo Koumoto, Kazuo Isomae, Tadayuki Kuraishi, Tatsuhiko Katori
  • Patent number: 4684719
    Abstract: Disclosed herein are novel .alpha.,.alpha.-trehalose fatty acid diester derivatives useful as carcinostatic substances and surface-activating materials and represented by the general formula (I): ##STR1## wherein R.sup.1 means an alkyl group having 1-21 carbon atoms, R.sup.2 denotes a hydrogen atom or carbobenzoxy group, and R.sup.3 stands for a hydrogen atom or benzyl group. Their preparation processes are also disclosed.
    Type: Grant
    Filed: May 15, 1985
    Date of Patent: August 4, 1987
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Yoshihiro Nishikawa, Kimihiro Kanemitsu, Tatsuhiko Katori, Akihiro Shibata, Kenichi Kukita
  • Patent number: 4659710
    Abstract: Certain 1,7-naphthyridine derivatives and their acid addition salts have strong antiarrhythmic effects, cardiotonic effects, diuretic effects, bronchodilation effects, anti-acetylcholine effects, anti-inflammatory effects, analgesic effects and the like and are hence useful for various diseases such as heart diseases, hypertension, asthma, arthritis, lumbago, toothache, etc.
    Type: Grant
    Filed: April 11, 1986
    Date of Patent: April 21, 1987
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Susumu Sato, Haruyoshi Honda, Teruo Koumoto, Kazuo Isomae, Tadayuki Kuraishi, Tatsuhiko Katori
  • Patent number: 4612304
    Abstract: Disclosed herein is an antitumor formulation, which contains an .alpha.,.alpha.-trehalose-6,6'-dicarboxylate, which is represented by the following general formula (I): ##STR1## wherein R means a C.sub.1 -C.sub.21 alkyl group, and a lipopolysaccharide. The antitumor formulation features low toxicity and high antitumor activities.
    Type: Grant
    Filed: June 11, 1985
    Date of Patent: September 16, 1986
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventor: Kazue Fukushi