Patents by Inventor Havard Sletta
Havard Sletta has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230138395Abstract: Disclosed are pharmaceutical compositions including a plurality of nanoparticles including a compound of the following structure (1) or a pharmaceutically acceptable salt thereof. Also disclosed are methods of their use and preparation.Type: ApplicationFiled: February 26, 2021Publication date: May 4, 2023Inventors: Peder M. ANDERSEN, Yrr MØRCH, Torsten GOESCH, Håvard SLETTA, Kristin DEGNES, Andreas ÅSLUND, Peter MOLESWORTH, Heidi JOHNSEN, Ruth SCHMID, Eugenia SANDRU, Sven Even BORGOS, Sofie SNIPSTAD, Einar SULHEIM
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Patent number: 10494375Abstract: The invention provides a new compound, a method to produce it and use of it as an antimicrobial agent, as well as pharmaceutical compositions comprising it. It is also disclosed use of actinomycetes bacteria to produce the compound (Formula III).Type: GrantFiled: April 21, 2017Date of Patent: December 3, 2019Assignee: SINTEF TTO ASInventors: Havard Sletta, Kristin Flogstad Degnes, Trond Erling Ellingsen, Anna Nordborg, Geir Klinkenberg, Sigrid Hakvag
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Publication number: 20190135822Abstract: The invention provides a new compound, a method to produce it and use of it as an antimicrobial agent, as well as pharmaceutical compositions comprising it. It is also disclosed use of actinomycetes bacteria to produce the compound (Formula III).Type: ApplicationFiled: April 21, 2017Publication date: May 9, 2019Inventors: HAVARD SLETTA, KRISTIN FLOGSTAD DEGNES, TROND ERLING ELLINGSEN, ANNA NORDBORG, GEIR KLINKENBERG, SIGRID HAKVAG
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Patent number: 10047363Abstract: A nucleic acid molecule comprises a nucleotide sequence: as shown in SEQ ID No. 1, which is the complement of SEQ ID No. 1, which is degenerate with SEQ ID No. 1, or which has at least 85% sequence identity with SEQ ID No. 1, or which is a part of such a sequence. The nucleic acid molecule encodes or is a complementary to a nucleic acid molecule encoding one or more polypeptides, or comprises or is complementary to a nucleic acid molecule comprising one or more genetic elements, having functional activity in the synthesis of a polyketide-based or macrolactam molecule. The nucleic acid molecule may be used to prepare a modified BE-14106 biosynthetic gene cluster for the preparation of a modified BE-14106 molecule.Type: GrantFiled: November 11, 2015Date of Patent: August 14, 2018Assignee: SINTEF TTO ASInventors: Hanne Jørgensen, Havard Sletta, Trond Erling Ellingsen, Espen Fjaervik, Kristin Fløgstad Degnes, Geir Klinkenberg, Per Bruheim, Sergey Zotchev
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Publication number: 20160060636Abstract: A nucleic acid molecule comprises a nucleotide sequence: as shown in SEQ ID No. 1, which is the complement of SEQ ID No. 1, which is degenerate with SEQ ID No. 1, or which has at least 85% sequence identity with SEQ ID No. 1, or which is a part of such a sequence. The nucleic acid molecule encodes or is a complementary to a nucleic acid molecule encoding one or more polypeptides, or comprises or is complementary to a nucleic acid molecule comprising one or more genetic elements, having functional activity in the synthesis of a polyketide-based or macrolactam molecule. The nucleic acid molecule may be used to prepare a modified BE-14106 biosynthetic gene cluster for the preparation of a modified BE-14106 molecule.Type: ApplicationFiled: November 11, 2015Publication date: March 3, 2016Inventors: Hanne JØRGENSEN, Havard SLETTA, Trond Erling ELLINGSEN, Espen FJAERVIK, Kristin Fløgstad DEGNES, Geir KLINKENBERG, Per BRUHEIM, Sergey ZOTCHEV
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Patent number: 9217150Abstract: The present invention provides a nucleic acid molecule comprising: (a) a nucleotide sequence as shown in SEQ ID No. 1; or (b) a nucleotide sequence which is the complement of SEQ ID No. 1; or (c) a nucleotide sequence which is degenerate with SEQ ID No. 1; or (d) a nucleotide sequence having at least 85% sequence identity (preferably at least 87%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% sequence identity) with SEQ ID No. 1; or (e) a part of any one of (a) to (d), wherein said nucleic acid molecule encodes or is a complementary to a nucleic acid molecule encoding one or more polypeptides, or comprises or is complementary to a nucleic acid molecule comprising one or more genetic elements, having functional activity in the synthesis of a polyketide-based or macrolactam molecule.Type: GrantFiled: March 20, 2009Date of Patent: December 22, 2015Assignee: SINTEF TTO ASInventors: Hanne Jørgensen, Trond Erling Ellingsen, Kristin Fløgstad Degnes, Per Bruheim, Håvard Sletta, Espen Fjærvik, Geir Klinkenberg, Sergey Zotchev
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Publication number: 20150126467Abstract: The disclosure relates to use of alginate oligomers to enhance the effects of antifungal agents. The invention provides a method to improve the efficacy of an antifungal agent against a fungus, said method comprising using said antifungal agent together with an alginate oligomer. The fungus may be on an animate or inanimate surface and both medical and non-medical uses and methods are provided. In one aspect the invention provides an alginate oligomer for use together with at least one antifungal agent in treating a subject infected, suspected to be infected, or at risk of infection, with a fungus. In another aspect the method can be used to combat fungal contamination of a site e.g., for disinfection and cleaning purposes.Type: ApplicationFiled: September 14, 2012Publication date: May 7, 2015Applicant: AlgiIPharma ASInventors: Edvar Onsøyen, Arne Dessen, David William Thomas, Katja Etel Hill, Hàvard Sletta, Anne Tøndervik, Geir Klinkenberg, Rolf Myrvold
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Publication number: 20140031534Abstract: The present invention provides a compound which is a nystatin derivative having an additional double bond present between C28 and C29 and which is further modified relative to nystatin at one or more of positions C5, C7, C9, C10, C11, C16 or at the amino group of mycosamine.Type: ApplicationFiled: March 8, 2013Publication date: January 30, 2014Applicant: BIOSERGEN ASInventors: Sergey Borisovich ZOTCHEV, Sven Even Finn BORGOS, Trygve BRAUTASET, Trond Erling ELLINGSEN, Evgenia Nikolaevna OLSUFYEVA, Maria Nikolaevna PREOBRAZHENSKAYA, Havard SLETTA
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Publication number: 20130269451Abstract: A fluid transfer system or fast-loop is provided for transferring a liquid sample from a liquid source to a remote liquid sample analyser. The system comprises a capillary that connects the liquid source and the liquid analyser. When the system is used, liquid flows from the liquid source to the liquid analyser via the capillary. The capillary may form a looped circuit between the liquid source and the liquid analyser.Type: ApplicationFiled: December 21, 2011Publication date: October 17, 2013Applicant: SINVENT ASInventors: Havard Sletta, Aslak Einbu, Kolbjorn Zahlsen, Bernd Wittgens, Asgeir Winnberg, Per Oscar Wiig
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Patent number: 8415312Abstract: The present invention relates to compounds which are nystatin derivatives and are anti-fungal agents.Type: GrantFiled: June 30, 2008Date of Patent: April 9, 2013Assignee: Biosergen ASInventors: Sergey Borisovich Zotchev, Sven Even Finn Borgos, Trygve Brautaset, Trond Erling Ellingsen, Evgenia Nikolaevna Olsufyeva, Maria Nikolaevna Preobrazhenskaya, Havard Sletta
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Publication number: 20110117606Abstract: The present invention provides a nucleic acid molecule comprising: (a) a nucleotide sequence as shown in SEQ ID No. 1; or (b) a nucleotide sequence which is the complement of SEQ ID No. 1; or (c) a nucleotide sequence which is degenerate with SEQ ID No. 1; or (d) a nucleotide sequence having at least 85% sequence identity (preferably at least 87%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% sequence identity) with SEQ ID No. 1; or (e) a part of any one of (a) to (d), wherein said nucleic acid molecule encodes or is a complementary to a nucleic acid molecule encoding one or more polypeptides, or comprises or is complementary to a nucleic acid molecule comprising one or more genetic elements, having functional activity in the synthesis of a polyketide-based or macrolactam molecule.Type: ApplicationFiled: March 20, 2009Publication date: May 19, 2011Inventors: Hanne Jørgensen, Trond Erling Ellingsen, Kristin Fløgstad Degnes, Per Bruheim, Håvard Sletta, Espen Fjaervik, Geir Klinkenberg, Sergey Zotchev
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Publication number: 20100323408Abstract: It is described biologically pure bacterial cultures of mutant strains of Pseudomonas fluorescens, which produces large amounts of alginate. The alginate may contain a certain determined content of mannuronate and guluronate residues, possible presence and determined level of acetyl groups in the alginate, and a desired molecular weight of the alginate. Also high yielding mutants with regulation of alginate production, is described. The invention further provides methods for producing new mutant strains of Pseudomonas fluorescens and variants thereof, and use of the resulting strains in alginate production.Type: ApplicationFiled: May 19, 2009Publication date: December 23, 2010Applicant: FMC Biopolymer ASInventors: Martin Gimmestad, Havard Sletta, Karuna Ponniah Karunakaran, Karianne Bakkevig, Helga Ertesvag, Trond Ellingsen, Gudmund Skjak-Braek, Svein Valla
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Patent number: 7851183Abstract: The invention provides a nucleic acid molecule comprising: (a) a nucleotide sequence as shown in SEQ ID No. 35; or (b) a nucleotide sequence which is the complement of SEQ ID No. 35; or (c) a nucleotide sequence which is degenerate with SEQ ID No. 35; or (d) a nucleotide sequence hybridising under conditions of high stringency to SEQ ID No. 35, to the complement of SEQ ID No. 35, or to a hybridisation probe derived from SEQ ID No. 35 or the complement thereof; or (e) a nucleotide sequence having at least 80% sequence identity with SEQ ID No. 35; or (f) a nucleotide sequence having at least 65% sequence identity with SEQ ID No. 35 wherein said sequence preferably encodes or is complementary to a sequence encoding a nystatin PKS enzyme or a part thereof.Type: GrantFiled: March 29, 2010Date of Patent: December 14, 2010Assignee: Sinvent ASInventors: Sergey Borisovich Zotchev, Olga Nikolayivna Sekurova, Espen Fjærvik, Trygve Brautaset, Arne Reidar Strøm, Svein Valla, Trond Erling Ellingsen, Håvard Sletta, Ole-Martin Gulliksen
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Publication number: 20100286077Abstract: The present invention provides a compound of formula (I?) which is a nystatin derivative having an additional double bond present between C28 and C29 and which is further modified relative to nystatin at one or more of positions C5, C7, C9, C10, C11, C16 or at the amino group of mycosamine. These compounds are used as anti-fungal agents.Type: ApplicationFiled: June 30, 2008Publication date: November 11, 2010Inventors: Sergey Borisovich Zotchev, Sven Even Finn Borgos, Trygve Brautaset, Trond Erling Ellingsen, Evgenia Nikolaevna Olsufyeva, Maria Nikolaevna Preobrazhenskaya, Havard Sletta
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Publication number: 20100216870Abstract: The invention provides a nucleic acid molecule comprising: (a) a nucleotide sequence as shown in SEQ ID No. 35; or (b) a nucleotide sequence which is the complement of SEQ ID No. 35; or (c) a nucleotide sequence which is degenerate with SEQ ID No. 35; or (d) a nucleotide sequence hybridising under conditions of high stringency to SEQ ID No. 35, to the complement of SEQ ID No. 35, or to a hybridisation probe derived from SEQ ID No. 35 or the complement thereof; or (e) a nucleotide sequence having at least 80% sequence identity with SEQ ID No. 35; or (f) a nucleotide sequence having at least 65% sequence identity with SEQ ID No. 35 wherein said sequence preferably encodes or is complementary to a sequence encoding a nystatin PKS enzyme or a part thereof.Type: ApplicationFiled: March 29, 2010Publication date: August 26, 2010Applicant: SINVENT ASInventors: Sergey Borisovich Zotchev, Olga Nikolayivna Sekurova, Espen Fjaervik, Trygve Brautaset, Arne Reidar Strom, Svein Valla, Trond Erling Ellingsen, Håvard Sletta, Ole-Martin Gulliksen
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Patent number: 7709231Abstract: The invention provides a nucleic acid molecule comprising: (a) a nucleotide sequence as shown in SEQ ID No. 35; or (b) a nucleotide sequence which is the complement of SEQ ID No. 35; or (c) a nucleotide sequence which is degenerate with SEQ ID No. 35; or (d) a nucleotide sequence hybridising under conditions of high stringency to SEQ ID No. 35, to the complement of SEQ ID No. 35, or to a hybridisation probe derived from SEQ ID No. 35 or the complement thereof; or (e) a nucleotide sequence having at least 80% sequence identity with SEQ ID No. 35; or (f) a nucleotide sequence having at least 65% sequence identity with SEQ ID No. 35 wherein said sequence preferably encodes or is complementary to a sequence encoding a nystatin PKS enzyme or a part thereof.Type: GrantFiled: September 11, 2006Date of Patent: May 4, 2010Assignee: Sinvent ASInventors: Sergey Borisovich Zotchev, Olga Nikolayivna Sekurova, Espen Fjærvik, Trygve Brautaset, Arne Reidar Strøm, Svein Valla, Trond Erling Ellingsen, Håvard Sletta, Ole-Martin Gulliksen
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Publication number: 20090226977Abstract: It is described biologically pure bacterial cultures of mutant strains of Pseudomonas fluorescens, which produces large amounts of alginate. The alginate may contain a certain determined content of mannuronate and guluronate residues, possible presence and determined level of acetyl groups in the alginate, and a desired molecular weight of the alginate. Also high yielding mutants with regulation of alginate production, is described. The invention further provides methods for producing new mutant strains of Pseudomonas fluorescens and variants thereof, and use of the resulting strains in alginate production.Type: ApplicationFiled: May 19, 2009Publication date: September 10, 2009Applicant: FMC Biopolymer ASInventors: Martin Gimmestad, Havard Sletta, Karuna Ponniah Karunakaran, Karianne Bakkevig, Helga Ertesvag, Trond Ellingsen, Gudmund Skjak-Braek, Svein Valla
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Patent number: 7553656Abstract: It is described biologically pure bacterial cultures of mutant strains of Pseudomonas fluorescens, which produces large amounts of alginate. The alginate may contain a certain determined content of mannuronate and guluronate residues, possible presence and determined level of acetyl groups in the alginate, and a desired molecular weight of the alginate. Also high yielding mutants with regulation of alginate production, is described. The invention further provides methods for producing new mutant strains of Pseudomonas fluorescens and variants thereof, and use the resulting strains in alginate production.Type: GrantFiled: July 24, 2003Date of Patent: June 30, 2009Assignee: FMC Biopolymer ASInventors: Martin Gimmestad, Havard Sletta, Karuna Ponniah Karunakaran, Karianne Bakkevig, Helga Ertesvag, Trond Ellingsen, Gudmund Skjak-Braek, Svein Valla
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Publication number: 20080119541Abstract: The invention provides a nucleic acid molecule comprising: (a) a nucleotide sequence as shown in SEQ ID No. 35; or (b) a nucleotide sequence which is the complement of SEQ ID No. 35; or (c) a nucleotide sequence which is degenerate with SEQ ID No. 35; or (d) a nucleotide sequence hybridising under conditions of high stringency to SEQ ID No. 35, to the complement of SEQ ID No. 35, or to a hybridisation probe derived from SEQ ID No. 35 or the complement thereof; or (e) a nucleotide sequence having at least 80% sequence identity with SEQ ID No. 35; or (f) a nucleotide sequence having at least 65% sequence identity with SEQ ID No. 35 wherein said sequence preferably encodes or is complementary to a sequence encoding a nystatin PKS enzyme or a part thereof.Type: ApplicationFiled: September 11, 2006Publication date: May 22, 2008Applicant: Sinvent ASInventors: Sergey Borisovich Zotchev, Olga Nikolayivna Sekurova, Espen Fjaervik, Trygve Brautaset, Arne Reidar Strom, Svein Valla, Trond Erling Ellingsen, Havard Sletta, Ole-Martin Gulliksen
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Patent number: 7141660Abstract: The invention provides a nucleic acid molecule comprising: (a) a nucleotide sequence as shown in SEQ ID No. 35; or (b) a nucleotide sequence which is the complement of SEQ ID No. 35; or (c) a nucleotide sequence which is degenerate with SEQ ID No. 35; or (d) a nucleotide sequence hybridising under conditions of high stringency to SEQ ID No. 35, to the complement of SEQ ID No. 35, or to a hybridisation probe derived from SEQ ID No. 35 or the complement thereof; or (e) a nucleotide sequence having at least 80% sequence identity with SEQ ID No. 35; or (f) a nucleotide sequence having at least 65% sequence identity with SEQ ID No. 35 wherein said sequence preferably encodes or is complementary to a sequence encoding a nystatin PKS enzyme or a part thereof.Type: GrantFiled: February 8, 2001Date of Patent: November 28, 2006Assignee: Sinvent ASInventors: Sergey Borisovich Zotchev, Olga Nikolayivna Sekurova, Espen Fjaervik, Trygve Brautaset, Arne Reidar Strøm, Svein Valla, Trond Erling Ellingsen, Hävard Sletta, Ole-Martin Gulliksen