Patents by Inventor Siegfried Blechert

Siegfried Blechert 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).

  • Metathesis catalysts
    Patent number: 7612008
    Abstract: The invention relates to polymeric transition metal catalysts, to processes for preparing them, to intermediates and also to the use of the transition metal catalysts as catalysts in organic reactions, in particular in olefin metathesis reactions.
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: November 3, 2009
    Assignee: LANXESS Deutschland GmbH
    Inventors: Siegfried Blechert, Stephen Connon
  • Metathesis catalysts
    Patent number: 7592498
    Abstract: The invention relates to polymeric transition metal catalysts, to processes for preparing them, to intermediates and also to the use of the transition metal catalysts as catalysts in organic reactions, in particular in olefin metathesis reactions.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: September 22, 2009
    Assignee: LANXESS Deutschland GmbH
    Inventors: Siegfried Blechert, Stephen Connon
  • Metathesis catalysts
    Publication number: 20080139861
    Abstract: The invention relates to polymeric transition metal catalysts, to processes for preparing them, to intermediates and also to the use of the transition metal catalysts as catalysts in organic reactions, in particular in olefin metathesis reactions.
    Type: Application
    Filed: December 18, 2007
    Publication date: June 12, 2008
    Inventors: Siegfried Blechert, Stephen Connon
  • Novel transition-metal complexes and use thereof in transition-metal catalyzed reactions
    Publication number: 20040176608
    Abstract: The invention relates to novel transition metal complexes of the formula (I) and (II), 1
    Type: Application
    Filed: January 26, 2004
    Publication date: September 9, 2004
    Inventors: Siegfried Blechert, Hideaki Wakamatsu
  • Metathesis catalysts
    Publication number: 20040087438
    Abstract: The invention relates to polymeric transition metal catalysts, to processes for preparing them, to intermediates and also to the use of the transition metal catalysts as catalysts in organic reactions, in particular in olefin metathesis reactions.
    Type: Application
    Filed: July 28, 2003
    Publication date: May 6, 2004
    Inventors: Siegfried Blechert, Stephen Connon
  • Novel transition metal complexes and their use in transition metal-catalysed reactions
    Publication number: 20030220512
    Abstract: The invention relates to novel transition metal complexes of the formula (I) 1
    Type: Application
    Filed: May 16, 2003
    Publication date: November 27, 2003
    Inventor: Siegfried Blechert
  • Borneol derivatives, methods of manufacturing them, and their pharmaceutical use
    Patent number: 6025507
    Abstract: Borneol derivatives of formula I ##STR1## in which R.sup.1 to R.sup.5 and X.sup.1 to X.sup.2 are defined in the specification, and the method of making the same.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: February 15, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Ulrich Klar, Hernamm Graf, Gunter Neef, Siegfried Blechert
  • Borneol esters, process for their production, and their pharmaceutical use
    Patent number: 5965609
    Abstract: The invention concernes borneol esters of general formula (I), in which R.sup.1 means T--C(O)--CH(OR.sup.6)--(NR.sup.7a R.sup.7b)--R.sup.8, C(O)--CH(OR.sup.6a)--CH[NR.sup.7 (C(O)--CH(OR.sup.6b)--CH (NR.sup.7a R.sup.7b)--R.sup.8a)]--R.sup.8b ; R.sup.7a R.sup.7b are identical or different and means R.sup.7 ; R.sup.7 means hydrogen, A, --C(O)R.sup.12, --C(O)OR.sup.12, --C(O)SR.sup.12, --C(O)NHR.sup.9d, --C(O)NR.sup.9d R.sup.9e, --SO.sub.2 R.sup.12, C.sub.1 -C.sub.10 alkyl; R.sup.8a, R.sup.8b are identical or different and mean R.sup.8 ; R.sup.8 means (i), heteroaryl substituted by X.sup.3, C.sub.7 -C.sub.16 aralkyl, alkyl; A is B--[O--(CH.sub.2).sub.t --C(O)].sub.0 or 1-, farnesyl--P(O)(OR.sup.9d)--O--(CH.sub.2).sub.t --C(O)--; B means protein kinase-inhibitors or farnesyl protein transferase-inhibitors such as for example farnesyl (ii); and T is a bond, Z.sup.i or a group (iii). The borneol esters can influence tubulin polymerisation and tubulin depolymerisation.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: October 12, 1999
    Assignee: Schering AG
    Inventors: Ulrich Klar, Hermann Graf, Gunter Neef, Siegfried Blechert
  • Borenol derivatives, process for their production and their pharmaceutical use
    Patent number: 5792792
    Abstract: The invention relates to borneol derivatives of general formula I ##STR1## in which R.sup.1 means C(O)--CH(OR.sup.6)--CH(NHR.sup.7)--R.sup.8,R.sup.2 means hydrogen, --OH, C.sub.1 -C.sub.10 alkyl, C.sub.1 -C.sub.10 alkoxy, --OC(O)R.sup.9a, --OSO.sub.2 R.sup.9a, --OP(O)(OH).sub.2, NHR.sup.9a, NR.sup.9a R.sup.9b,R.sup.3 means hydrogen, --OH, C.sub.1 -C.sub.10 alkoxy, --OC(O)R.sup.9b, --OSO.sub.2 R.sup.9b, --OP(O)(OH).sub.2, orR.sup.2, R.sup.3 together mean an oxygen atom,R.sup.4 means hydrogen, C.sub.1 -C.sub.10 alkyl, --(CH.sub.2).sub.n --OR.sup.11a,R.sup.5 means hydrogen, C.sub.1 -C.sub.10 alkyl, --(CH.sub.2).sub.p --OR.sup.11b, orR.sup.4, R.sup.5 together mean an oxygen atom, a=CHR.sup.10 group,n means 0 to 8,p means 1 to 8,R.sup.7 means --C(O)R.sup.12, --SO.sub.2 R.sup.12, --C(O)OR.sup.12, --C(O)NHR.sup.9d, --C(O)NR.sup.9d R.sup.9e, ##STR2## R.sup.8 means aryl, R.sup.9a-e, R.sup.12 are the same or different and mean C.sub.1 -C.sub.10 alkyl, C.sub.4 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.16 aralkyl,R.sup.
    Type: Grant
    Filed: January 3, 1997
    Date of Patent: August 11, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Ulrich Klar, Hermann Graf, Gunter Neef, Siegfried Blechert