Kanamycin Or Derivative Patents (Class 536/13.7)
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Patent number: 10106830Abstract: The invention provides for methods of extracting and quantitating the number of microorganisms contained on or within in chewing gum.Type: GrantFiled: January 9, 2015Date of Patent: October 23, 2018Assignee: WM. WRIGLEY JR. COMPANYInventors: Amarnath Maitra, Stefan Wessel, Henny C. Van Der Mei, Henk J. Busscher
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Patent number: 9469863Abstract: The present invention relates to novel aminoglycoside antibiotics, a process for producing the same, and pharmaceutical use thereof. More specifically, the present invention relates to compounds represented by formula (I), a process for producing the same, and use of the same as antimicrobial agents. wherein R represents amino or hydroxyl.Type: GrantFiled: December 1, 2008Date of Patent: October 18, 2016Assignee: MEIJI SEIKA KAISHA, LTD.Inventors: Naomi Sumida, Koji Yanai, Masato Tani, Takayoshi Fukushima, Yasumasa Ota, Shuichi Gomi, Akitaka Nakane
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Patent number: 8999942Abstract: In some aspects, the present invention provides aminoglycoside derivatives thereof that exhibit antibacterial activity. In some aspects, the aminoglycoside derivatives comprise compounds consisting of (a) an ammoglycoside group and (b) at least one hydrophobic carbamate and alkoxy group to the primary or secondary hydroxy position of the aminolvcoside group and salts thereof. Additionally, methods of treating and preventing bacterial infections using the aminoglycoside derivatives are also provided.Type: GrantFiled: April 5, 2011Date of Patent: April 7, 2015Assignee: University of ManitobaInventors: Frank Schweizer, Smritilekha Bera, George Zhanel
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Publication number: 20150050713Abstract: Microspheres are produced by contacting a solution of a macromolecule or small molecule in a solvent with an antisolvent and a counterion, and chilling the solution. The microspheres are useful for preparing pharmaceuticals, nutraceuticals, cosmetic products and the like of defined dimensions.Type: ApplicationFiled: July 25, 2014Publication date: February 19, 2015Inventors: Michael P. Malakhov, Fang Fang
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Publication number: 20140330001Abstract: Small molecule fluorescent probes for established drug targets such as nucleic acids including DNA and RNA has been developed and disclosed herein. These nucleic acid probes bind to multiple DNA and RNA structures, and to sites crucial for nucleic acid function, such as DNA and RNA major grooves. Displacement of the probes by other binders such as small molecule compounds and/or proteins illicits a fluorescence change in the probe that once detected and analyzed provide binding information of these other binders of interest. Similarly, changes in fluorescence upon binding of the probes to nucleic acid have been applied to screen nucleic acid of different sequence and conformation. The nucleic acid probes and method of uses disclosed herein are advantageously suitable for high-through put screening of libraries of small molecule compounds, proteins, and nucleic acids.Type: ApplicationFiled: April 11, 2014Publication date: November 6, 2014Applicant: Nubad, LLCInventors: Dev P. Arya, Frank Anderson Norris, Jason Derrick Watkins
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Patent number: 8865664Abstract: Hydrophobically enhanced aminoglycosides have been prepared and shown to be effective antibacterial agents. These agents may be used in the treatment or prevention of various bacterial infections. Methods of preparing these agents also permit facile synthetic access. Formula (I).Type: GrantFiled: July 9, 2009Date of Patent: October 21, 2014Assignee: University of ManitobaInventors: Smritilekha Bera, George G. Zhanel, Frank Schweizer
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Patent number: 8809286Abstract: Provided herein are antimicrobial conjugates of two antibiotic agents, exhibiting improved activity also against resistant bacteria, compared to each of the agents separately or their mixture, and having substantially no resistance emerged thereagainst, as well as processes for preparation the same, compositions containing the same, and uses thereof in medical treatments against pathogenic microorganisms. The disclosed antimicrobial conjugates are composed of aminoglycosides and non-ribosomal active antibiotics. Some of the antimicrobial conjugates are prepared via “click” chemistry.Type: GrantFiled: March 25, 2010Date of Patent: August 19, 2014Assignee: Technion Research & Development Foundation LimitedInventors: Timor Baasov, Varvara Pokrovskaya, Valery Belakhov, Mariana Hainrichson
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Patent number: 8791245Abstract: The invention relates to anionic conjugates of glycosylated bacterial metabolites that may be used to mimic the structure and/or activity of the anionic bioactive molecules known as glycosaminoglycans (GAGs). The invention also relates to processes for the preparation of the conjugates. Such conjugates are useful in the prophylaxis and/or treatment of disease conditions and in particular chronic disease conditions such as inflammatory (including allergic) diseases, metastatic cancers and infection by pathogenic agents including bacteria, viruses or parasites.Type: GrantFiled: October 2, 2009Date of Patent: July 29, 2014Assignee: Glycan Bioscience LLCInventors: Warren Charles Kett, Yugang Chen
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Publication number: 20140173780Abstract: A method is disclosed for the Agrobacterium-mediated germline transformation of soybean, comprising infecting split soybean seeds, with a portion of the embryonic axis, with Agrobacterium tumefaciens containing a transgene. The method can further comprise regenerating the explants produced from the transformation of the split soybean seeds comprising a portion of embryonic axis in vitro on selection medium.Type: ApplicationFiled: December 18, 2013Publication date: June 19, 2014Inventors: Dayakar Pareddy, Sivarama R. Chennareddy, Tatyana Minnicks, Olga Karpova, David Griffin, Jayakumar P. Samuel, Kelley A. Smith, Rodrigo Sarria-Millan, Tejinder Kumar Mall
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Patent number: 8742078Abstract: The present invention is directed to analogs of aminoglycoside compounds as well as their preparation and use as prophylactic or therapeutics against microbial infection.Type: GrantFiled: January 15, 2013Date of Patent: June 3, 2014Assignee: Isis Pharmaceuticals, Inc.Inventors: Michael T. Migawa, Xiaojing Wang, Eric E. Swayze, Richard H. Griffey
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Publication number: 20140099696Abstract: Microspheres are produced by contacting a solution of a macromolecule or small molecule in a solvent with an antisolvent and a counterion, and chilling the solution. The microspheres are useful for preparing pharmaceuticals, nutraceuticals, cosmetic products and the like of defined dimensions.Type: ApplicationFiled: April 30, 2013Publication date: April 10, 2014Applicant: Ansun Biopharma, Inc.Inventors: Michael P. Malakhov, Fang Fang
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Patent number: 8586552Abstract: Aminoglycoside antibiotics of the formula are disclosed. The compounds are useful for treating bacterial infections, particularly infections resistant to known antibiotics.Type: GrantFiled: January 31, 2013Date of Patent: November 19, 2013Assignee: SelectX Pharmaceuticals, Inc.Inventors: Michael G. Chaparian, Michael Brady, Scott Moe, Babu Rao Renikuntla, Srinivas Gadthula, Srinivasarao Meneni, Venkata Sai Prakash Chaturvedula
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Patent number: 8524689Abstract: Compounds having antibacterial activity are disclosed. The compounds have the following structure (I) or (II): including stereoisomers, pharmaceutically acceptable salts and prodrugs thereof, wherein Q1, Q2, Q3, R1, R2 and R3 are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.Type: GrantFiled: November 14, 2011Date of Patent: September 3, 2013Assignee: Achaogen, Inc.Inventors: Adam Aaron Goldblum, Paola Dozzo, James Bradley Aggen, Martin Sheringham Linsell
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Patent number: 8377896Abstract: The present invention is directed to analogs of aminoglycoside compounds as well as their preparation and use as prophylactic or therapeutics against microbial infection.Type: GrantFiled: March 9, 2011Date of Patent: February 19, 2013Assignee: Isis Pharmaceuticals, IncInventors: Michael T. Migawa, Xiaojing Wang, Eric E. Swayze, Richard H. Griffey
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Patent number: 8338386Abstract: The present invention relates to the prevention/treatment of ichthyosis vulgaris (IV), atopy and potentially other disorders associated with loss-of-function mutations in the filaggrin gene sequence. The prevention/therapy is based on the use of agents which enable the host's translational machinery to read through a nonsense mutation found in a mutant allele of the filaggrin gene.Type: GrantFiled: January 17, 2007Date of Patent: December 25, 2012Assignee: University Court of the University of DundeeInventors: William Henry Irwin McLean, Frances Jane Dorothy Smith
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Publication number: 20120316125Abstract: The present invention relates to novel aminoglycoside analogs having certain substituents at the 6 position of ring III which exhibit improved antifungal activity but possess minimal antibacterial properties. The compounds of the present invention are analogues of kanamycin A. Also provided are methods of synthesizing and methods of using the compounds of the present invention. The compounds of the present invention are useful in treating or preventing fungal disease.Type: ApplicationFiled: December 12, 2011Publication date: December 13, 2012Inventors: Cheng-Wei Tom Chang, Jon Takemoto
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Publication number: 20120165283Abstract: This invention relates to novel aminoglycoside antibiotics, which have potent antimicrobial activity against bacteria, which induce infectious diseases, particularly MRSA, and has no significant nephrotoxicity, and process for producing them. More particularly, the present invention relates to compounds represented by formula (Ia) or their pharmacologically acceptable salts or solvates, or their diastereomer mixtures, antimicrobial agents comprising them, and a process for producing them.Type: ApplicationFiled: March 7, 2012Publication date: June 28, 2012Inventors: Yoshihiko Kobayashi, Yoshihisa Akiyama, Takeshi Murakami, Nobuto Minowa, Masaki Tsushima, Yukiko Hiraiwa, Shoichi Murakami, Mitsuhiro Abe, Kazushige Sasaki, Shigeru Hoshiko, Toshiaki Miyake, Yoshiaki Takahashi, Daishiro Ikeda
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Publication number: 20120141590Abstract: Microspheres are produced by contacting a solution of a macromolecule or small molecule in a solvent with an antisolvent and a counterion, and chilling the solution. The microspheres are useful for preparing pharmaceuticals, nutraceuticals, cosmetic products and the like of defined dimensions.Type: ApplicationFiled: September 30, 2011Publication date: June 7, 2012Inventors: Michael Malakhov, Fang Fang
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Publication number: 20120135948Abstract: Compounds having antibacterial activity are disclosed. The compounds have the following structure (I) or (II): including stereoisomers, pharmaceutically acceptable salts and prodrugs thereof, wherein Q1, Q2, Q3, R1, R2 and R3 are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.Type: ApplicationFiled: November 14, 2011Publication date: May 31, 2012Applicant: Achaogen, Inc.Inventors: Adam Aaron Goldblum, Paola Dozzo, James Bradley Aggen, Martin Sheringham Linsell
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Publication number: 20120018334Abstract: Provided herein are antimicrobial conjugates of two antibiotic agents, exhibiting improved activity also against resistant bacteria, compared to each of the agents separately or their mixture, and having substantially no resistance emerged thereagainst, as well as processes for preparation the same, compositions containing the same, and uses thereof in medical treatments against pathogenic microorganisms. The disclosed antimicrobial conjugates are composed of aminoglycosides and non-ribosomal active antibiotics. Some of the antimicrobial conjugates are prepared via “click” chemistry.Type: ApplicationFiled: March 25, 2010Publication date: January 26, 2012Inventors: Timor Baasov, Varvara Pokrovskaya, Valery Belakhov, Mariana Hainrichson
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Patent number: 8071535Abstract: Reagents and methods useful for the synthesis of conjugates comprising guanidinylated cyclic acetals are provided. Also provided are methods for increasing the cellular uptake of various therapeutic compounds and treatment modalities using these conjugates.Type: GrantFiled: September 10, 2004Date of Patent: December 6, 2011Assignee: The Regents of the University of CaliforniaInventors: Yitzhak Tor, Nathan Luedtke
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Publication number: 20110282028Abstract: The invention provides a method of identifying an inhibitor of LtaS comprising: (a) providing bacteria which comprise a mutation in the mbl gene or homologue thereof; (b) culturing the bacteria of (a) in the presence of a test substance under conditions of low magnesium; (c) monitoring the growth of the bacteria; wherein growth or more rapid growth of the bacteria compared to growth in the absence of the test substance is indicative that the test substance is an inhibitor of LtaS.Type: ApplicationFiled: December 4, 2009Publication date: November 17, 2011Applicant: UNIVERSITY OF NEWCASTLE UPON TYNEInventors: Jeffery Errington, Kathrin Schirner
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Publication number: 20110130357Abstract: The present invention relates to novel aminoglycoside analogs having certain substituents at the 6 position of ring III which exhibit improved antifungal activity but possess minimal antibacterial properties. The compounds of the present invention are analogues of kanamycin B and kanamycin A. Also provided are methods of synthesizing and methods of using the compounds of the present invention. The compounds of the present invention are useful in treating or preventing fungal disease.Type: ApplicationFiled: December 14, 2010Publication date: June 2, 2011Applicant: Utah State UniversityInventors: Cheng-wei Tom Chang, C. Kent Evans, Jon Y. Takemoto
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Publication number: 20090186841Abstract: This invention relates to novel aminoglycoside antibiotics, which have potent antimicrobial activity against bacteria, which induce infectious diseases, particularly MRSA, and has no significant nephrotoxicity, and process for producing them. More particularly, the present invention relates to compounds represented by formula (Ia) or their pharmacologically acceptable salts or solvates, or their diastereomer mixtures, antimicrobial agents comprising them, and a process for producing them.Type: ApplicationFiled: June 1, 2007Publication date: July 23, 2009Inventors: Yoshihiko Kobayashi, Yoshihisa Akiyama, Takeshi Murakami, Nobuto Minowa, Masaki Tsushima, Yukiko Hiraiwa, Shoichi Murakami, Mitsuhiro Abe, Kazushige Sasaki, Shigeru Hoshiko, Toshiaki Miyake, Yoshiaki Takahashi, Daishiro Ikeda
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Patent number: 7560483Abstract: The present invention provides a method for synthesizing 1-(acyloxy)-alkyl derivatives from 1-acyl-alkyl derivatives, which typically proceeds stereospecifically, in high yield, does not require the use of activated intermediates and/or toxic compounds and is readily amendable to scale-up. The current invention also provides 1-acyl-alkyl derivatives of known drug components and methods for synthesizing these 1-acyl-alkyl derivatives.Type: GrantFiled: June 21, 2005Date of Patent: July 14, 2009Assignee: XenoPort, Inc.Inventors: Mark A. Gallop, Jia-Ning Xiang, Fenmei Yao, Laxminarayan Bhat, Cindy X. Zhou
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Patent number: 7439343Abstract: Aminoglycoside-polyamines are disclosed along with methods of use thereof in displacement chromatography and as DNA-binding ligands. The aminoglycoside-polyamines are derivatives of carbohydrates, such as sugars, amino sugars, deoxysugars, glycosides, nucleosides and their substituted counterparts. The subject polyamines possess a group in place of at least one hydrogen atom of at least one hydroxyl group of the carbohydrate compound. In these compounds R1 is an alkyl group or an azaalkyl group, and R2 is a primary or secondary amino group.Type: GrantFiled: September 1, 2005Date of Patent: October 21, 2008Assignee: Rensselaer Polytechnic InstituteInventors: Kaushal Rege, Shanghui Hu, Jonathan S. Dordick, Steven M. Cramer
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Publication number: 20080214798Abstract: An asparagine-linked ?2,3-oligosaccharide having undeca- to hepta-saccharides, an asparagine-linked ?2,6-oligosaccharide having undeca- to hepta-saccharides and containing fluorine and an asparagine-linked oligosaccharide derivative containing at least one fucose in N-acetylglucosamine on the nonreducing terminal side of an asparagine-linked oligosaccharide wherein the asparagine has amino group protected with a lipophilic protective group, and a process for producing these compounds.Type: ApplicationFiled: October 25, 2007Publication date: September 4, 2008Applicant: OTSUKA CHEMCIAL CO., LTD.Inventors: Yasuhiro Kajihara, Kazuaki Kakehi, Kazuhiro Fukae
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Publication number: 20080193452Abstract: The present invention is directed to new therapeutic compounds isolated from spider venom and methods of using these new compounds. The compounds are sulfated nucleoside derivatives including ribonucleoside mono- and disulfates derived from guanine, adenosine, and cytidine. Some of these compounds are glycosylated or fucosylated bearing one or more sugar residues.Type: ApplicationFiled: July 21, 2005Publication date: August 14, 2008Applicant: Cornell Research Foundation, Inc.Inventors: Jerrold Meinwald, Andrew Edmund Taggi, Frank Clemens Schroeder
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Patent number: 6833445Abstract: Provided are reagents and methods useful for the synthesis of guanidinylated compounds. Also provided are methods for assaying molecules, including guanidinylated molecules that modulate viral infection and replication.Type: GrantFiled: January 21, 2003Date of Patent: December 21, 2004Assignee: The Regents of the University of CaliforniaInventors: Murray Goodman, Yitzhak Tor, Tracy Baker, Nathan Luedtke
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Patent number: 6642365Abstract: Conjugates of a saccharide and an acetamidino- or guanidino-compound, of the formula: wherein A is CH3 or NH2; X is a linear or branched C1-C8 alkyl chain optionally containing hydroxy, amino and/or oxo groups; n is an integer from 1 to 6, and Sac is the residue of a mono-or oligo-saccharide, provided that when A is NH2 and X is -(CH2)3—CH(NH2)—C(=O)-, the monosaccharide residue is not substituted at the position 1, and n is an integer from 2 to 6 when Sac is the residue of an oligosaccharide, are useful as antiviral, particularly as antiretroviral, agents, and can be used either alone or together with other compounds used in AIDS treatment such as AZT and/or protease inhibitors, for the treatment of HIV-infection, AIDS and manifestations of AIDS such as Kaposi sarcoma.Type: GrantFiled: June 28, 2001Date of Patent: November 4, 2003Assignee: Yeda Research and Development Co. Ltd.Inventors: Aviva Lapidot, Alexander Litovchick, Artem G. Evdokimov
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Patent number: 6573060Abstract: Protein targets for disease intervention through inhibition of nucleic acid metabolism are disclosed. Novel polypeptides for one such target, DNA-dependent ATPase A, and novel polynucleotides encoding DNA-dependent ATPase A are disclosed. Phosphoaminoglycoside compounds which act on such protein targets to inhibit nucleic acid metabolism. In addition, screening assays for identifying compounds that inhibit nucleic acid-dependent ATPase activity, including, but not limited to, DNA-dependent ATPase A, are disclosed. Such compounds are useful in the treatment of diseases, including but not limited to cancer and infectious disease, through disruption of nucleic acid metabolism and induction of apoptosis. Moreover, methods for prevention and treatment of diseases including, but not limited to cancer and infectious disease are disclosed.Type: GrantFiled: November 28, 2000Date of Patent: June 3, 2003Assignee: University of Virginia Patent FoundationInventors: Joel W. Hockensmith, Rohini Muthuswami
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Patent number: 6525182Abstract: Provided are reagents and methods useful for the synthesis of guanidinylated compounds. Also provided are methods for assaying molecules, including guanidinylated molecules that modulate viral infection and replication.Type: GrantFiled: January 22, 2001Date of Patent: February 25, 2003Assignee: Regents of the University of CaliforniaInventors: Murray Goodman, Yitzhak Tor, Tracy Baker, Nathan Luedtke