Sulfur Containing Substituent Patents (Class 514/208)
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Patent number: 8518931Abstract: The invention relates to triazine and pyrimidine derivatives having Formula (1) or (2), and methods for using such compounds. For example, the compounds of the invention may be used to treat, ameliorate or prevent a condition which responds to inhibition of anaplastic lymphoma kinase (ALK) activity, c-ros oncogene (ROS), insulin-like growth factor (IGF-IR), and/or insulin receptor (InsR) or a combination thereof.Type: GrantFiled: April 3, 2009Date of Patent: August 27, 2013Assignee: IRM LLCInventors: Tao Jiang, Pierre-Yves Michellys, Truc Ngoc Nguyen, Wei Pei, Baogen Wu, Xuefeng Zhu
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Publication number: 20120329770Abstract: The present invention relates to cephalosporin derivatives having ?-lactamase inhibitory activity. The compounds are useful in preventing or treating bacterial resistance to an antibiotic, e.g. a ?-lactam antibiotic. Disclosed herein are compounds that are inhibitors of class B metallo-?-lactamases, as well as class A, C, and D serine ?-lactamases. In some preferred embodiments, the compounds are 3?-thiobenzoate derivatives of a cephalosporin. Pharmaceutical compositions, methods, uses, kits and commercial packages comprising the compounds are also disclosed.Type: ApplicationFiled: February 25, 2011Publication date: December 27, 2012Inventors: Gary Igor Dmitrienko, Ahmad Ghavami, Valerie Joy Goodfellow, Jarrod W. Johnson, Anthony Paul Krismanich, Laura Marrone, Thammaiah Viswanatha, Sundaramma Viswanatha
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Patent number: 7723389Abstract: The invention provides pharmaceutical compositions for the treatment or prevention of the toxic effects of therapeutic agents and methods of treating or preventing such toxicity using a toxicity reducing amount of N-acetylcysteine either alone or in combination with a therapeutically effective amount or, to achieve its therapeutic advantages, an amount larger than what is customarily given as a therapeutically effective amount, of a therapeutic agent.Type: GrantFiled: November 4, 2002Date of Patent: May 25, 2010Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Leonard A. Herzenberg, Leonore A. Herzenberg, Stephen C. De Rosa, James Andrus
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Patent number: 7700581Abstract: Disclosed herein are a cephalosporin compound of formula I, wherein R1 is selected from the following groups: wherein R2 is selected from the following groups: the preparation and uses thereof. A method of preparing the cephalosporin compound as disclosed herein comprises reacting a starting cephalosporin comprising a C7 amino group and a C3 thio-methyl moiety substituted with an N-containing heterocyclic group with bromoacetyl bromide and then with a N,N?-bissubstituted thiourea. Methods of treating an infectious disease are also disclosed, comprising administering to a patient in need thereof the pharmaceutical composition disclosed herein.Type: GrantFiled: January 31, 2007Date of Patent: April 20, 2010Assignee: Guangzhou Baiyunshan Pharmaceutical Co., Ltd.Inventors: Mao Chen, Shaoxuan Zhu, Xuebin Liu, Chun Luo, Shuwen Xu, Lizhen Zheng, Fang Ye, Chenglong Yi, Xiaona Zhang
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Patent number: 7488724Abstract: The invention provides compounds of formula (I): wherein: R1-R4 and A have any of the values defined in the specification, and their pharmaceutically acceptable salts, are useful for inhibiting ?-lactamase enzymes, for enhancing the activity of ?-lactam antibiotics, and for treating ?-lactam resistant bacterial infections in a mammal. The invention also provides pharmaceutical compositions, processes for preparing compounds of formula (I), and intermediates useful for the synthesis of compounds of formula (I).Type: GrantFiled: May 10, 2005Date of Patent: February 10, 2009Assignee: Southern Methodist University Foundation for ResearchInventors: John D. Buynak, Lakshminarayana Vogeti
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Patent number: 7115624Abstract: The present invention provides a method of inhibiting a member of a family of Protein Tyrosine Phosphatases (PTPases, PTPs) such as PTP1B, TC-PTP, CD45, SHP-1, SHP-2, PTP?, PTP?, PTP?, PTP?, PTP?, PTP?, PTP?, PTPD1, PTPD2, PTPH1, PTP-MEG1, PTP-LAR, and HePTP by exposing said Ptpase member by administration to a host or otherwise to at least one compound with certain structural, physical and spatial characteristics that allow for the interaction of said compound with specific residues of the active site of PTP1B and/or TC-PTP. These compounds are indicated in the management or treatment of a broad range of diseases such as autoimmune diseases, acute and chronic inflammation, osteoporosis, various forms of cancer and malignant diseases, and type I diabetes and type II diabetes, as well as in the isolation of PTPases and in elucidation or further elucidation of their biological function.Type: GrantFiled: September 11, 2000Date of Patent: October 3, 2006Assignee: Novo Nordisk A/SInventors: Henrik Sune Andersen, Thomas Kruse Hansen, Lars Fogh Iversen, Jesper Lau, Niels Peter Hundahl Møller, Ole Hvilsted Olsen, Frank Urban Axe, Yu Ge, Daniel Dale Holsworth, Todd Kevin Jones, Luke Milburn Judge, Wiliam Charles Ripka, Barry Zvi Shapira, Roy Teruyuki Uyeda
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Patent number: 7094431Abstract: This invention pertains to therapeutic antibacterial/antifungal-wound healing compositions comprising a therapeutically effective amount of antibacterial agents and/or antifungal agents and/or wound healing composition alone. In one embodiment, the wound healing composition comprises (a) zinc oxide; (b) calcium channel blocker, and (c) fat-soluble vitamins admixed with antibacterial and antifungal agents. The therapeutic antibacterial/antifungal-wound healing compositions may be utilized in a wide variety of pharmaceutical products and administered orally or topically.Type: GrantFiled: September 30, 2003Date of Patent: August 22, 2006Inventor: Mickey L. Peshoff
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Patent number: 7022691Abstract: Compounds of formula (I): wherein R1, R2, R3, R4 and n have any of the values defined in the specification, and their pharmaceutically acceptable salts, are useful for inhibiting simultaneously serine and metallo-?-lactamase enzymes, for enhancing the activity of ?-lactam antibiotics, and for treating ?-lactam resistant bacterial infections in a mammal. The invention also provides pharmaceutical compositions, processes for preparing compounds of formula I, and novel intermediates useful for the synthesis of compounds of formula I.Type: GrantFiled: April 4, 2003Date of Patent: April 4, 2006Inventors: John D. Buynak, Hansong Chen
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Patent number: 6916801Abstract: The invention provides compounds of formula (I): wherein: R1-R4 and A have any of the values defined in the specification, and their pharmaceutically acceptable salts, are useful for inhibiting ?-lactamase enzymes, for enhancing the activity of ?-lactam antibiotics, and for treating ?-lactam resistant bacterial infections in a mammal. The invention also provides pharmaceutical compositions, processes for preparing compounds of formula (I), wherein R1 and R2 are each independently hydrogen, (C1-C10)alkyl, (C2-C10)alkenyl, (C2-C10)alkenyl, (C3-C8)cycloalkyl, (C1-C10)alkoxy, (C1-C10)alkanoyl, (C1-C10)alkanoyloxy, (C1-C10)alkoxycarbonyl, aryl, heterocycle, halo, cyano, nitro, —COORe, —C(?O)NRfRg, —OC(?O)NRfRg, NRfRg, or —S(O)nRh; R3 is hydrogen, halo, aryl, heteroaryl, —S(O)nRh, or —CH?CHC(?O)NRmRp; R4 is hydrogen; A is thio, sulfinyl, or sulfonyl; and intermediates useful for the synthesis of compounds of formula (I).Type: GrantFiled: July 24, 2002Date of Patent: July 12, 2005Assignee: Alamx, LLCInventors: John D. Buynak, Lakshminarayana Vogeti
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Patent number: 6906054Abstract: The invention provides pharmaceutical compositions comprising compounds of formula I and IV: wherein R1-R11 and A have any of the values defined in the specification, and their pharmaceutically acceptable salts. The pharmaceutical compositions are useful for inhibiting ?-lactamase enzymes, for enhancing the activity of ?-lactam antibiotics, and for treating ?-lactam resistant bacterial infections in a mammal.Type: GrantFiled: May 10, 2002Date of Patent: June 14, 2005Assignee: Research Corporation Technologies, Inc.Inventors: John D. Buynak, A. Srinivasa Rao, Greg C. Adam, Sirishkumar D. Nidamarthy, Venkata Ramana Doppalapudi
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Patent number: 6689775Abstract: The present invention relates to the use of thioredoxin as, inter alia, a cell growth stimulator, as well as a screen for agents that are useful in reducing or preventing thioredoxin-associated apoptosis inhibition and agents that are useful in inhibiting thioredoxin stimulated cell growth.Type: GrantFiled: June 6, 2001Date of Patent: February 10, 2004Assignee: Arizona Board of Regents, acting on behalf of the University of ArizonaInventor: Garth Powis
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Publication number: 20030158172Abstract: Neurotherapeutically pharmaceutical effective compositions are prepared using carboxypeptidase E inhibitors. One class of carboxypeptidase E inhibitors found to exhibit significant neurotropic activity are &bgr;-lactam compounds, particularly penam and cephem &bgr;-lactam antibiotics and non-antibiotic derivatives thereof.Type: ApplicationFiled: August 20, 2002Publication date: August 21, 2003Inventors: Gary A. Koppel, Michael O. Chaney
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Patent number: 6531465Abstract: A compound of formula wherein Ac, R1 and R2 have various meanings, a process for a preparation thereof and its use as a pharmaceutical, i.e. as antibacterial agent.Type: GrantFiled: May 21, 2001Date of Patent: March 11, 2003Assignee: Biochemie Gesellschaft m.b.H.Inventors: Gerd Ascher, Johannes Ludescher
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Publication number: 20020198161Abstract: The present invention relates to methods and compositions useful for cancer and precancer therapy utilizing sulphur-containing antioxidants. In particular, the present invention relates to methods and compositions which selectively induce apoptosis in cells of cancers or precancers.Type: ApplicationFiled: February 20, 1998Publication date: December 26, 2002Inventors: DOUGLAS E. BRASH, MING LIU
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Patent number: 6486149Abstract: Processes are provided for the preparation of orally administrable, yellow and powdery compositions essentially consisting of particles composed of a homogeneous mixture of an amorphous Cefditoren pivoxil substance with a water soluble high-molecular additive. These compositions can be produced by dissolving crystalline Cefditoren pivoxil substance and the water-soluble high-molecular additive in an aqueous solution of an acid, then neutralizing the resultant solution, to co-precipitate the product, and drying the thus precipitated product, followed by recovering the product in the form of the above-mentioned particles.Type: GrantFiled: November 26, 2001Date of Patent: November 26, 2002Assignee: Meiji Seika Kaisha Ltd.Inventors: Masahiro Onodera, Masamichi Sukegawa, Kiyoshi Yasui, Tatsuo Watanabe, Toyomi Sato, Yasushi Murai, Katsuharu Iinuma
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Publication number: 20020115650Abstract: The present invention relates to novel cephalosporin antibiotics, prodrugs thereof and pharmacologically acceptable salts of either, which are active against a wide spectrum of bacteria that are resistant to present clinical beta-lactam antibiotics.Type: ApplicationFiled: August 8, 2001Publication date: August 22, 2002Applicant: Microcide Pharmaceuticals.Inventor: Tomasz W. Glinka
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Patent number: 6369049Abstract: The invention provides new fluorinated cephalosporin antibiotics of Formula I wherein Ra, Rb, Rc, Rd and Re, independently, are H, F or a C1-C6 alkyl-(Z)n— group having at least one fluorine substituent; X is O or S; Y is S, O, or —CH2—; Z is O, S, —SO—, or —SO2—; m and n independently are 0 or 1; and R1 is H, C1-C6-alkyl, phenyl or benzyl, each of which may optionally have up to three substituents selected from halo, C1-C4-alkoxy, phenyl, NO2, C1-C6-alkanoyl, benzoyl, or C1-C6-alkanoyloxy; or a physiologically acceptable salt thereof; and methods of preventing or treating or treating infection, particularly mastitis in ruminants, using these antibiotics.Type: GrantFiled: April 12, 1999Date of Patent: April 9, 2002Assignee: Eli Lilly and CompanyInventor: Karl Robert Dahnke
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Patent number: 6342493Abstract: Processes are provided for the preparation of orally administrable, yellow and powdery compositions essentially consisting of particles composed of a homogeneous mixture of an amorphous Cefditoren pivoxil substance with a water soluble high-molecular additive. These compositions can be produced by dissolving crystalline Cefditoren pivoxil substance and the water-soluble high-molecular additive in an aqueous solution of an acid, then neutralizing the resultant solution, to co-precipitate the product, and drying the thus precipitated product, followed by recovering the product in the form of the above-mentioned particles.Type: GrantFiled: July 7, 2000Date of Patent: January 29, 2002Assignee: Meiji Seika Kaisha Ltd.Inventors: Masahiro Onodera, Masamichi Sukegawa, Kiyoshi Yasui, Tatsuo Watanabe, Toyomi Sato, Yasushi Murai, Katsuharu Iinuma
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Patent number: 6303592Abstract: Derivatives of 7-alkylidene cephalosporanic acid sulfone and the pharmaceutically active salts thereof are found to be potent inhibitors of &bgr;-lactamase enzymes.Type: GrantFiled: March 14, 1997Date of Patent: October 16, 2001Assignee: Research Corporation Technologies, Inc.Inventors: John D. Buynak, Brian Bachmann
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Patent number: 6262044Abstract: The present invention provides novel compounds, novel compositions, methods of their use, and methods of their manufacture, where such compounds are pharmacologically useful inhibitors of Protein Tyrosine Phosphatases (PTPase's) such as PTP1B, CD45, SHP-1, SHP-2, PTP&agr;, LAR and HePTP or the like. The compounds are useful in the treatment of type I diabetes, type II diabetes, impaired glucose tolerance, insulin resistance, obesity, immune dysfunctions including autoimmunity diseases with dysfunctions of the coagulation system, allergic diseases including asthma, osteoporosis, proliferative disorders including cancer and psoriasis, diseases with decreased or increased synthesis or effects of growth hormone, diseases with decreased or increased synthesis of hormones or cytokines that regulate the release of/or response to growth hormone, diseases of the brain including Alzheimer's disease and schizophrenia, and infectious diseases.Type: GrantFiled: March 11, 1999Date of Patent: July 17, 2001Assignees: Novo Nordisk A/S, Ontogen CorporationInventors: Niels Peter Hundahl Møller, Henrik Sune Andersen, Lars Fogh Iversen, Ole Hvilsted Olsen, Sven Branner, Daniel Dale Holsworth, Farid Bakir, Luke Milburn Judge, Frank Urban Axe, Todd Kevin Jones, William Charles Ripka, Yu Ge, Roy Teruyuki Uyeda
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Patent number: 6133254Abstract: Use of a compound of formula (I) wherein R represents hydrogen or chlorine, for preparing an immunosuppressive medicament.Type: GrantFiled: October 26, 1998Date of Patent: October 17, 2000Assignee: Gruppo Lepetit, S.p.A.Inventor: Khalid Islam
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Patent number: 6066630Abstract: The present invention includes novel compounds of formula ##STR1## where R.sup.99 is selected from the group consisting of sulfur, SO, SO.sub.2, NH, N-alkyl, oxygen, C.dbd.C (cis or trans), and C.tbd.C, and R.sup.12 is ##STR2## The invention also includes the pharmacologically acceptable salts which exhibit antibiotic activity against a wide spectrum of organisms including organisms which are resistant to .beta.-lactam antibiotics and are useful as antibacterial agents. The invention also relates to novel intermediates useful for making the novel compounds of the present invention and to novel methods for producing the novel compounds and intermediate compounds.Type: GrantFiled: October 11, 1996Date of Patent: May 23, 2000Assignee: Microcide Pharmaceuticals, Inc.Inventors: In-Seop Cho, Scott J. Hecker, Tomaz W. Glinka, Ving J. Lee, Zhijia J. Zhang
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Patent number: 5994340Abstract: New 2-oxo-1-azetidine sulfonic acid derivatives with an aminoalkyl substituted "anti" (E-isomer) oxyimino group in the acylamino substituent at the 3 position of the monobactam ring. These compounds are potent inhibitors of bacterial .beta.-lactamases. These compounds can be used in combination with .beta.-lactam antibiotics to increase the effectiveness of the .beta.-lactam antibiotics in fighting infection caused by .beta.-lactamase producing bacteria.Type: GrantFiled: August 29, 1997Date of Patent: November 30, 1999Assignee: SynPhar Laboratories, Inc.Inventors: Samarendra N. Maiti, Oludotun A. Phillips, Eduardo L. Setti, Andhe V. Narender Reddy, Ronald G. Micetich, Fusahiro Higashitani, Chieko Kunugita, Koichi Nishida, Tatsuya Uji
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Patent number: 5776718Abstract: The invention relates to novel reversible protease inhibitors. The inhibitors are specific to cysteine proteases.Type: GrantFiled: March 20, 1996Date of Patent: July 7, 1998Assignee: Arris Pharmaceutical CorporationInventors: James T. Palmer, David Rasnick, Jeffrey Lee Klaus
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Patent number: 5756493Abstract: The present invention includes novel (7R)-7-(acylamino)-3-(arylthio)-3-cephem-4-carboxylic acids or their pharmacologically acceptable salts which exhibit antibiotic activity against a wide spectrum of organisms including organisms which are resistant to .beta.-lactam antibiotics and are useful as antibacterial agents. The invention also relates to novel intermediates useful for making the novel compounds of the present invention and to novel methods for producing the novel compounds and intermediate compounds.Type: GrantFiled: March 29, 1995Date of Patent: May 26, 1998Assignee: Microcide Pharmaceuticals, Inc.Inventors: Scott Hecker, In-Seop Cho, Tomasz Glinka, Burton Christensen
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Patent number: 5726170Abstract: The salts are prepared by reacting a benzhydrylamine of the formula I (or a salt thereof) with clavulanic acid (or a salt thereof) in solvent, and isolating the resulting salt. In formula I, each of R.sup.1 and R.sup.2 is hydrogen (preferred) or an acceptable substituent. ##STR1## The clavulanic acid salts can be used in pharmaceutical formulations together with a pharmaceutically acceptable carrier, and, preferably, a beta-lactam antibiotic.Type: GrantFiled: February 22, 1996Date of Patent: March 10, 1998Assignee: Spurcourt LimitedInventor: George Leo Callewaert
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Patent number: 5698547Abstract: The present invention includes novel (7R)-7-(acylamino)-3-(arylthio)-3-cephem-4-carboxylic acids or their pharmacologically acceptable salts which exhibit antibiotic activity against a wide spectrum of organisms including organisms which are resistant to .beta.-lactam antibiotics and are useful as antibacterial agents. The invention also relates to novel intermediates useful for making the novel compounds of the present invention and to novel methods for producing the novel compounds and intermediate compounds.Type: GrantFiled: May 31, 1995Date of Patent: December 16, 1997Assignee: Microcide Pharmaceuticals, Inc.Inventors: Burton Christensen, In-Seop Cho, Tomasz Glinka, Scott Hecker, Ving J. Lee, Zhijia J. Zhang
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Patent number: 5681563Abstract: Cephalosporins with an exocyclic allene in the 7-position and their pharmaceutically active salts are potent inhibitors of .beta.-lactamases and are therefore useful in the treatment of penicillin resistant infections.Type: GrantFiled: June 17, 1996Date of Patent: October 28, 1997Assignee: Research Corporation Technologies, Inc.Inventors: John D. Buynak, Brian Bachmann
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Patent number: 5629306Abstract: Derivatives of 7-alkylidene cephalosporanic acid sulfone and the pharmaceutically active salts thereof are found to be potent inhibitors of .beta.-lactamase enzymes.Type: GrantFiled: December 9, 1994Date of Patent: May 13, 1997Assignee: Research Corporation Technologies, Inc.Inventors: John D. Buynak, Brian Bachmann
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Patent number: 5597817Abstract: Cephalosporins with an exocyclic allene in the 7-position and their pharmaceutically active salts are potent inhibitors of .beta.-lactamases and are therefore useful in the treatment of penicillin resistant infections.Type: GrantFiled: December 9, 1994Date of Patent: January 28, 1997Assignee: Southern Methodist UniversityInventors: John D. Buynak, Brian Bachmann
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Patent number: 5593986Abstract: The present invention includes novel (7R)-7-(acylamino)-3-(arylthio)-3-cephem-4-carboxylic acids or their pharmacologically acceptable salts which exhibit antibiotic activity against a wide spectrum of organisms including organisms which are resistant to .beta.-lactam antibiotics and are useful as antibacterial agents. The invention also relates to novel intermediates useful for making the novel compounds of the present invention and to novel methods for producing the novel compounds and intermediate compounds.Type: GrantFiled: March 29, 1995Date of Patent: January 14, 1997Assignee: Microcide Pharmaceuticals, Inc.Inventors: Burton G. Christensen, In-Seop Cho, Tomasz W. Glinka, Scott J. Hecker
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Patent number: 5585372Abstract: The present invention provides compounds of formula (I) and pharmaceutically or veterinarily salts thereof; ##STR1## wherein R.sub.1 is hydrogen or halogen or an organic group; R.sub.2 is hydrogen or an optionally substituted C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.6 -C.sub.10 aryl or C.sub.7 -C.sub.14 aralkyl group;R.sub.3 is hydrogen or halogen, or an organic groupR.sub.4 is hydrogen or a group defined as R.sub.2 above or R.sub.4 taken together with R.sub.3 constitutes a C.sub.2 -C.sub.6 alkanediyl or an alkanediyl radical optionally substituted by methyl or phenyland X is either oxygen or sulphur or NR.sub.6, wherein R.sub.6 is either hydrogen or a group as defined for R.sub.2. A process for their preparation by cyclization of appropriate intermediates is also described.The compounds of formula I and the pharmaceutically and veterinarily acceptable salts thereof are elastase inhibitors.Type: GrantFiled: January 20, 1995Date of Patent: December 17, 1996Assignee: Pharmacia S.p.A.Inventors: Marco Alpegiani, Pierluigi Bissolino, Ettore Perrone, Vincenzo Rizzo
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Patent number: 5580865Abstract: The present invention provides cephalosporin sulphones or formula (I), and pharmaceutically or veterinarily acceptable salts thereof; ##STR1## wherein n is zero, one or two; R.sub.1 is hydrogen, halogen or an optionally substituted C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio or C.sub.1 -C.sub.4 carboxamido group;R.sub.2 is hydrogen or an optionally substituted C.sub.1 -C.sub.8 alkyl, C.sub.6 -C.sub.10 aryl, C.sub.2 -C.sub.5 alkenyl or C.sub.3 -C.sub.6 cycloalkyl group;R.sub.3 is hydrogen or acetoxymethyl, methoxymethyl, methyl or an optionally substituted heterocyclylthiomethyl group;R.sub.4 is an optionally substituted C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.6 alkenyl, aryl(C.sub.1 -C.sub.8)alkyl or heterocyclyl(C.sub.1 -C.sub.8)alkyl group; andR.sub.5 is an optionally substituted C.sub.6 -C.sub.10 aryl or a heterocyclyl group.The compounds of formula I and the pharmaceutically and veterinarily acceptable salts thereof are elastase inhibitors.Type: GrantFiled: April 5, 1993Date of Patent: December 3, 1996Assignee: Farmitalia Carlo Erba S.r.l.Inventors: Marco Alpegiani, Pierluigi Bissolino, Ettore Perrone, Vincenzo Rizzo
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Patent number: 5409917Abstract: A method and composition for topically treating acne and acneiform dermal disorders includes applying an amount of a cephalosporin antibiotic effective to treat the acne and acneiform dermal disorders. The antibiotic is blended with a carrier suitable for topical application to dermal tissues. The carrier is selected from the group consisting of an aqueous liquid, an alcohol base, a water soluble gel, a lotion, an ointment, a nonaqueous liquid base, a mineral oil base, a blend of mineral oil and petrolatum, liposomes, a time-release patch, and a liquid-absorbed wipe. The cephalosporin can also be combined with benzoyl peroxide in a gel carrier.Type: GrantFiled: September 24, 1993Date of Patent: April 25, 1995Assignees: Marvin S. Towsend, Leonard BloomInventors: Howard N. Robinson, Neil F. Martin
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Patent number: 5312813Abstract: A method of killing microorganisms which form a biofilm on a tissue or implant surfaces in a patient, and which are refractory to a biocide at a dose which is effective to kill the microorganism in planktonic form. The effect of the biocide is potentiated, to an effective killing level, by applying an electric field across the surface containing the biofilm.Type: GrantFiled: July 22, 1992Date of Patent: May 17, 1994Assignee: University Technologies InternationalInventors: John W. F. Costerton, Antoine E. Khoury, Frank Johnson
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Patent number: 4760060Abstract: Carbacephem and cephem compounds represented by the formula: ##STR1## [Wherein X is S or CH.sub.2 ; n is an integer of 1 to 5; R.sub.1 is an unsubstituted or substituted heterocyclic group (where the heterocyclic group is a 5- or 6-membered heterocyclic group having 1 to 4 of O, S and N); R.sub.2 is a group represented by the formula: ##STR2## (where R.sub.4 is an unsubstituted or substituted phenyl or 2-aminothiazolyl) or a group represented by the formula: ##STR3## (where R.sub.5 is an unsubstituted or substituted lower alkyl); R.sub.3 is hydrogen, an alkali metal, an alkaline earth metal, an organic ammonium group or an ester residue, and R.sub.1 may be a quaternary ammonium group, where --CO.sub.2 R.sub.3 represents --CO.sub.2.sup.- ] have strong antibacterial activity against Gram-positive and Gram-negative bacteria, and are useful for treating various infections.Type: GrantFiled: November 15, 1985Date of Patent: July 26, 1988Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Kenichi Mochida, Takehiro Ogasa, Junichi Shimada, Tadahi Hirata, Kiyoshi Sato, Ryo Okachi
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Patent number: 4749694Abstract: Novel lysine esters used as absorption enhancing agents for gastrointestinally and rectally administered drugs. Also provided are processes for preparation of said lysine ester compounds as well as pharmaceutical formulations and methods for their use as absorption enhancing agents.Type: GrantFiled: April 26, 1984Date of Patent: June 7, 1988Assignee: Merck & Co., Inc.Inventors: Joseph A. Fix, Stefano A. Pogany
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Patent number: 4731360Abstract: Acylcarnitine used as a nasal, buccal, sublingual and vaginal drug absorption enhancing vehicle for poorly absorbed drugs.Type: GrantFiled: August 16, 1985Date of Patent: March 15, 1988Assignee: Merck & Co., Inc.Inventors: Jose Alexander, A. J. Repta, Joseph A. Fix
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Patent number: 4729989Abstract: Choline ester salts are used as drug absorption enhancing agents for orally and rectally administered drugs.Type: GrantFiled: June 28, 1985Date of Patent: March 8, 1988Assignee: Merck & Co., Inc.Inventors: Jose Alexander, Joseph A. Fix
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Patent number: 4692441Abstract: Choline esters are used as drug absorption enhancing agents for drugs which are poorly absorbed from the nasal, oral, and vaginal cavities.Type: GrantFiled: August 16, 1985Date of Patent: September 8, 1987Assignee: Merck & Co., Inc.Inventors: Jose Alexander, A. J. Repta, Joseph A. Fix