Patents by Inventor Ansgar Santel

Ansgar Santel 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).

  • Publication number: 20170296469
    Abstract: The present invention is related to a lipid composition contained in and/or containing a carrier comprising at least a first lipid component, at least a first helper lipid, and a shielding compound which is optionally removable from the lipid composition under in vivo conditions, whereby the lipid composition containing carrier has an osmolarity of about 50 to 600 mosmole/kg, preferably about 250-350 mosmole/kg, and more preferably about 280 to 320 mosmole/kg, and/or whereby liposomes formed by the first lipid component and/or one or both of the helper lipid and the shielding compound in the carrier have a particle size of about 20 to 200 nm, preferably about 30 to 100 nm, and more preferably about 40 to 80 nm.
    Type: Application
    Filed: March 30, 2017
    Publication date: October 19, 2017
    Inventors: JORG KAUFMANN, OLIVER KEIL, ANSGAR SANTEL
  • Publication number: 20170036990
    Abstract: The present invention is related to uses of a composition comprising a pharmaceutically active component and a compound according to formula (I), wherein R1 and R2 are each and independently selected from the group comprising alkyl; n is any integer between 1 and 4; R3 is an acyl selected from the group comprising lysyl, ornithyl, 2,4-diaminobutyryl, histidyl and an acyl moiety according to formula (II), wherein m is any integer from 1 to 3 and Y? is a pharmaceutically acceptable anion.
    Type: Application
    Filed: October 20, 2016
    Publication date: February 9, 2017
    Inventors: OLIVER KEIL, JORG KAUFMANN, ANSGAR SANTEL
  • Patent number: 9486538
    Abstract: The present invention is related to uses of a composition comprising a pharmaceutically active component and a compound according to formula (I), wherein R1 and R2 are each and independently selected from the group comprising alkyl; n is any integer between 1 and 4; R3 is an acyl selected from the group comprising lysyl, ornithyl, 2,4-diaminobutyryl, histidyl and an acyl moiety according to formula (II), wherein m is any integer from 1 to 3 and Y? is a pharmaceutically acceptable anion.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: November 8, 2016
    Assignee: SILENCE THERAPEUTICS GMBH
    Inventors: Oliver Keil, Jörg Kaufmann, Ansgar Santel
  • Patent number: 9458461
    Abstract: The present invention is related to an siRNA comprising an antisense strand and a sense strand, wherein all or a portion of said antisense strand comprises an antisense duplex region, wherein all or a portion of said sense strand comprises a sense duplex region, wherein said antisense duplex region is at least partially complementary to said sense duplex region, wherein said siRNA comprises a duplex region consisting of said antisense duplex region and said sense duplex region, and wherein: a) said antisense strand comprises a nucleotide sequence of SEQ ID NO: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 68, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102 or 104; or b) said antisense strand comprises an antisense duplex region, all or a portion of which, is complementary to a portion of SEQ ID NO: 1 or 70.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: October 4, 2016
    Assignee: SILENCE THERAPEUTICS GMBH
    Inventors: Ansgar Santel, Jörg Kaufmann, Martin Witzenrath
  • Publication number: 20150359906
    Abstract: The present invention is related to uses of a composition comprising a pharmaceutically active component and a compound according to formula (I), wherein R1 and R2 are each and independently selected from the group comprising alkyl; n is any integer between 1 and 4; R3 is an acyl selected from the group comprising lysyl, ornithyl, 2,4-diaminobutyryl, histidyl and an acyl moiety according to formula (II), wherein m is any integer from 1 to 3 and Y? is a pharmaceutically acceptable anion.
    Type: Application
    Filed: August 28, 2015
    Publication date: December 17, 2015
    Inventors: OLIVER KEIL, JÖRG KAUFMANN, ANSGAR SANTEL
  • Patent number: 9125820
    Abstract: The present invention is related to uses of a composition comprising a pharmaceutically active component and a compound according to formula (I), wherein R1 and R2 are each and independently selected from the group comprising alkyl; n is any integer between 1 and 4; R3 is an acyl selected from the group comprising lysyl, ornithyl, 2,4-diaminobutyryl, histidyl and an acyl moiety according to formula (II), wherein m is any integer from 1 to 3 and Y? is a pharmaceutically acceptable anion.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: September 8, 2015
    Assignee: SILENCE THERAPEUTICS GMBH
    Inventors: Oliver Keil, Jörg Kaufmann, Ansgar Santel
  • Publication number: 20140328903
    Abstract: The present invention is related to an siRNA comprising an antisense strand and a sense strand, wherein all or a portion of said antisense strand comprises an antisense duplex region, wherein all or a portion of said sense strand comprises a sense duplex region, wherein said antisense duplex region is at least partially complementary to said sense duplex region, wherein said siRNA comprises a duplex region consisting of said antisense duplex region and said sense duplex region, and wherein: a) said antisense strand comprises a nucleotide sequence of SEQ ID NO: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 68, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102 or 104; or b) said antisense strand comprises an antisense duplex region, all or a portion of which, is complementary to a portion of SEQ ID NO: 1 or 70.
    Type: Application
    Filed: May 29, 2014
    Publication date: November 6, 2014
    Applicant: SILENCE THERAPEUTICS AG
    Inventors: ANSGAR SANTEL, JÖRG KAUFMANN, MARTIN WITZENRATH
  • Publication number: 20140329885
    Abstract: The present invention is related to uses of a composition comprising a pharmaceutically active component and a compound according to formula (I), wherein R1 and R2 are each and independently selected from the group comprising alkyl; n is any integer between 1 and 4; R3 is an acyl selected from the group comprising lysyl, ornithyl, 2,4-diaminobutyryl, histidyl and an acyl moiety according to formula (II), wherein m is any integer from 1 to 3 and Y? is a pharmaceutically acceptable anion.
    Type: Application
    Filed: May 23, 2014
    Publication date: November 6, 2014
    Inventors: OLIVER KEIL, JÖRG KAUFMANN, ANSGAR SANTEL
  • Patent number: 8829179
    Abstract: The present invention is related to an siRNA comprising an antisense strand and a sense strand, wherein all or a portion of said antisense strand comprises an antisense duplex region, wherein all or a portion of said sense strand comprises a sense duplex region, wherein said antisense duplex region is at least partially complementary to said sense duplex region, wherein said siRNA comprises a duplex region consisting of said antisense duplex region and said sense duplex region, and wherein: a) said antisense strand comprises a nucleotide sequence of SEQ ID NO: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 68, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102 or 104; or b) said antisense strand comprises an antisense duplex region, all or a portion of which, is complementary to a portion of SEQ ID NO: 1 or 70.
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: September 9, 2014
    Assignee: Silence Therapeutics GmbH
    Inventors: Ansgar Santel, Jörg Kaufmann, Martin Witzenrath
  • Publication number: 20140249207
    Abstract: The present invention is related to a nucleic acid molecule comprising a double-stranded structure, whereby the double-stranded structure comprises a first strand and a second strand, whereby the first strand comprises a first stretch of contiguous nucleotides and said first stretch is at least partially complementary to a target nucleic acid, and whereby the second strand comprises a second stretch of contiguous nucleotides and said second stretch is at least partially complementary to the first stretch, whereby the first stretch comprises a nucleic acid sequence which is at least complementary to a nucleotide core sequence of the nucleic acid sequence according to SEQ ID NO: 1, whereby the nucleotide core sequence comprises the nucleotide sequence from nucleotide positions 1755 to 1763 of SEQ ID NO: 1; from nucleotide positions 1904 to 1912 of SEQ ID NO: 1; from nucleotide positions 1905 to 1913 of SEQ ID NO: 1; from nucleotide positions 2548 to 2556 of SEQ ID NO: 1; whereby the first stretch is additionall
    Type: Application
    Filed: May 12, 2014
    Publication date: September 4, 2014
    Applicant: Silence Therapeutics GMBH
    Inventors: MANFRED GOSSEN, ANSGAR SANTEL, JORG KAUFMANN
  • Patent number: 8735453
    Abstract: The present invention is related to uses of a composition comprising a pharmaceutically active component and a compound according to formula (I), wherein R1 and R2 are each and independently selected from the group comprising alkyl; n is any integer between 1 and 4; R3 is an acyl selected from the group comprising lysyl, ornithyl, 2,4-diaminobutyryl, histidyl and an acyl moiety according to formula (II), wherein m is any integer from 1 to 3 and Y? is a pharmaceutically acceptable anion.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: May 27, 2014
    Assignee: Silence Therapeutics GmbH
    Inventors: Oliver Keil, Jörg Kaufmann, Ansgar Santel
  • Patent number: 8722875
    Abstract: The present invention is related to a nucleic acid molecule comprising a double-stranded structure, whereby the double-stranded structure comprises a first strand and a second strand, whereby the first strand comprises a first stretch of contiguous nucleotides and said first stretch is at least partially complementary to a target nucleic acid, and whereby the second strand comprises a second stretch of contiguous nucleotides and said second stretch is at least partially complementary to the first stretch, whereby the first stretch comprises a nucleic acid sequence which is at least complementary to a nucleotide core sequence of the nucleic acid sequence according to SEQ ID NO: 1, whereby the nucleotide core sequence comprises the nucleotide sequence from nucleotide positions 1755 to 1763 of SEQ ID NO: 1; from nucleotide positions 1904 to 1912 of SEQ.ID.No.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: May 13, 2014
    Assignee: Silence Therapeutics GmbH
    Inventors: Manfred Gossen, Ansgar Santel, Jorg Kaufmann
  • Patent number: 8357722
    Abstract: The present invention is related to a compound according to formula (I), wherein R1 and R2 are each and independently selected from the group comprising alkyl; n is any integer between 1 and 4; R3 is an acyl selected from the group comprising lysyl, ornithyl, 2,4-diaminobutyryl, histidyl and an acyl moiety according to formula (II), wherein m is any integer from 1 to 3 and Y? is a pharmaceutically acceptable anion.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: January 22, 2013
    Assignee: Silence Therpeutics AG
    Inventors: Oliver Keil, Jorg Kaufmann, Ansgar Santel
  • Patent number: 8232256
    Abstract: The present invention is related to a nucleic acid molecule and uses thereof. The nucleic acid molecule comprises a double-stranded structure, whereby the double-stranded structure comprises a first strand and a second strand, whereby the first strand comprises a first stretch of contiguous nucleotides and said first stretch is at least partially complementary to a target nucleic acid, and whereby the second strand comprises a second stretch of contiguous nucleotides and said second stretch is at least partially complementary to the first stretch, whereby the first stretch comprises a nucleic acid sequence which is at least partially complementary to a nucleotide core sequence of the nucleic acid sequence according to SEQ ID NO:1 (NM_013355).
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: July 31, 2012
    Assignee: Silence Therapeutics AG
    Inventors: Jorg Kaufmann, Oliver Keil, Ansgar Santel
  • Publication number: 20120065138
    Abstract: The present invention is related to a compound according to formula (I), wherein R1 and R2 are each and independently selected from the group comprising alkyl; n is any integer between 1 and 4; R3 is an acyl selected from the group comprising lysyl, ornithyl, 2,4-diaminobutyryl, histidyl and an acyl moiety according to formula (II), wherein m is any integer from 1 to 3 and Y? is a pharmaceutically acceptable anion.
    Type: Application
    Filed: September 12, 2011
    Publication date: March 15, 2012
    Applicant: SILENCE THERAPEUTICS AG
    Inventors: OLIVER KEIL, Jorg Kaufmann, Ansgar Santel
  • Publication number: 20120022138
    Abstract: The present invention is related to an siRNA comprising an antisense strand and a sense strand, wherein all or a portion of said antisense strand comprises an antisense duplex region, wherein all or a portion of said sense strand comprises a sense duplex region, wherein said antisense duplex region is at least partially complementary to said sense duplex region, wherein said siRNA comprises a duplex region consisting of said antisense duplex region and said sense duplex region, and wherein: a) said antisense strand comprises a nucleotide sequence of SEQ ID NO: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 68, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102 or 104; or b) said antisense strand comprises an antisense duplex region, all or a portion of which, is complementary to a portion of SEQ ID NO: 1 or 70.
    Type: Application
    Filed: February 18, 2010
    Publication date: January 26, 2012
    Applicant: SILENCE THERAPEUTICS AG
    Inventors: Ansgar Santel, Jörg Kaufmann, Martin Witzenrath
  • Publication number: 20110294871
    Abstract: The present invention is related to a compound according to formula (I), wherein R1 and R2 are each and independently selected from the group comprising alkyl; n is any integer between 1 and 4; R3 is an acyl selected from the group comprising lysyl, ornithyl, 2,4-diaminobutyryl, histidyl and an acyl moiety according to formula (II), wherein m is any integer from 1 to 3 and Y? is a pharmaceutically acceptable anion.
    Type: Application
    Filed: June 30, 2011
    Publication date: December 1, 2011
    Applicant: SILENCE THERAPEUTICS AG
    Inventors: OLIVER KEIL, Jorg Kaufmann, Ansgar Santel
  • Publication number: 20110217367
    Abstract: The present invention is related to a nucleic acid molecule comprising a double-stranded structure, whereby the double-stranded structure comprises a first strand and a second strand, whereby the first strand comprises a first stretch of contiguous nucleotides and said first stretch is at least partially complementary to a target nucleic acid, and whereby the second strand comprises a second stretch of contiguous nucleotides and said second stretch is at least partially complementary to the first stretch, whereby the first stretch comprises a nucleic acid sequence which is at least complementary to a nucleotide core sequence of the nucleic acid sequence according to SEQ ID NO: 1, whereby the nucleotide core sequence comprises the nucleotide sequence from nucleotide positions 1755 to 1763 of SEQ ID NO: 1; from nucleotide positions 1904 to 1912 of SEQ. ID. No.
    Type: Application
    Filed: September 23, 2009
    Publication date: September 8, 2011
    Applicant: SILENCE THERAPEUTICS AG
    Inventors: Manfred Gossen, Ansgar Santel, Jorg Kaufmann
  • Publication number: 20090304678
    Abstract: The present invention is related to a nucleic acid molecule comprising a double-stranded structure, whereby the double-stranded structure comprises a first strand and a second strand, whereby the first strand comprises a first stretch of contiguous nucleotides and said first stretch is at least partially complementary to a target nucleic acid, and whereby the second strand comprises a second stretch of contiguous nucleotides and said second stretch is at least partially complementary to the first stretch, whereby the first stretch comprises a nucleic acid sequence which is at least partially complementary to a nucleotide core sequence of the nucleic acid sequence according to SEQ ID NO:1 (NM_013355), or part thereof, whereby the nucleotide core sequence comprises the nucleotide sequence from nucleotide positions 482 to 500 of SEQ ID NO:1 (SEQ ID NO:2); from nucleotide positions 1555 to 1573 of SEQ ID NO:1 (SEQ ID NO:4); from nucleotide positions 1556 to 1574 of SEQ ID NO:1 (SEQ ID NO:6); from nucleotide posit
    Type: Application
    Filed: July 20, 2007
    Publication date: December 10, 2009
    Inventors: Jorg Kaufmann, Oliver Keil, Ansgar Santel
  • Publication number: 20090252783
    Abstract: The present invention is related to a nucleic acid molecule comprising a double-stranded structure, whereby the double-stranded structure comprises a first strand and a second strand, whereby the first strand comprises a first stretch of contiguous nucleotides and said first stretch is at least partially complementary to a target nucleic acid, and whereby the second strand comprises a second stretch of contiguous nucleotides and said second stretch is at least partially complementary to the first stretch, whereby the first stretch comprises a nucleic acid sequence which is at least complementary to a nucleotide core sequence of the nucleic acid sequence according to SEQ ID NO: 1, whereby the nucleotide core sequence comprises the nucleotide sequence from nucleotide positions 1277 to 1295 of SEQ ID NO: 1; from nucleotide positions 2140 to 2158 of SEQ ID NO:1; from nucleotide positions 2391 to 2409 of SEQ ID NO: 1; and whereby the first stretch is additionally at least partially complementary to a region preced
    Type: Application
    Filed: April 20, 2007
    Publication date: October 8, 2009
    Applicant: SILENCE THERAPEUTICS AG
    Inventors: Jorg Kaufmann, Oliver Keil, Ansgar Santel