Patents by Inventor Ulrich Klar

Ulrich Klar 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: 20030162830
    Abstract: This invention relates to new antiestrogens of the general formula 1
    Type: Application
    Filed: February 21, 2003
    Publication date: August 28, 2003
    Applicant: Schering Aktiengesellschaft
    Inventors: Ulrich Klar, Rolf Bohlmann, Karsten Parczyk, Karl-Heinrich Fritzemeier, Monika Lessl, Rosemarie Lichtner
  • Patent number: 6610736
    Abstract: The invention relates to novel epothilone derivatives of general formula (I), wherein R8 means a halogen atom, especially a fluorine or chlorine atom, and the remaining substituents have the meanings given in the description. The novel compounds are suitable for producing medicaments.
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: August 26, 2003
    Assignee: Schering AG
    Inventors: Ulrich Klar, Werner Skuballa, Bernd Buchmann, Wolfgang Schwede, Michael Schirner
  • Publication number: 20030144523
    Abstract: This invention relates to the new epothilone derivatives of general formula I, 1
    Type: Application
    Filed: May 3, 2000
    Publication date: July 31, 2003
    Inventors: ULRICH KLAR, WOLFGANG SCHWEDE, WERNER SKUBALLA, BERND BUCHMANN
  • Publication number: 20030139460
    Abstract: The invention relates to novel epothilon derivatives which are characterized by an oxygen atom in position 9 of the epothilon skeleton. The novel compounds interact with tubulin, stabilizing formed microtubuli. They can influence cell division in a phase-specific manner and are suitable for use in the treatment of malignant tumors such as ovarian, stomach, colon, adeno, breast, lungs, head and neck carcinoma, malignant melanoma, acute lymphocytic and myelocytic leukaemia. They are also suitable for anti-angiogenesis thereapy and for use in the treatment of chronic inflamatory diseases (psoriasis, arthritis). In order to avoid uncontrolled proliferation of cells on and to improve the compatibility of medical implants, they can be placed on or in polymer materials. The inventive compounds can be used on their own or to obtain additive or synergistic effects in combination with other classes of substances and principles which can be used in tumoral therapy.
    Type: Application
    Filed: October 18, 2002
    Publication date: July 24, 2003
    Inventors: Wolfgang Schwede, Ulrich Klar, Werner Skuballa, Bernd Buchmann, Jens Hoffmann, Rosemarie Lichtner
  • Patent number: 6596713
    Abstract: New steroids and amides of formula I are described, in which the variables are defined by the description. Relative to the basic hydroxy compounds (“initial compounds”), the new compounds are distinguished by a considerably improved solubility and partially also by increased biological action and selectivity. The new compounds are suitable for the production of pharmaceutical agents.
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: July 22, 2003
    Assignee: Schering Aktiengesellschaft
    Inventors: Ulrich Klar, Arwed Cleve, Guenter Neef, Eckhard Ottow, Klaus Stoekemann, Karl-Heinrich Fritzemeier
  • Publication number: 20030134834
    Abstract: This invention describes the new 17&agr;-fluoroalkyl steroids of general formula I 1
    Type: Application
    Filed: November 27, 2002
    Publication date: July 17, 2003
    Applicant: Schering AG
    Inventors: Wolfgang Schwede, Arwed Cleve, Ulrich Klar, Gunter Neef, Kristof Chwalisz, Martin Schneider, Ulrike Fuhrmann, Holger Heb-Stumpp
  • Patent number: 6559181
    Abstract: This invention relates to new antiestrogens of the general formula in which the substituents have the meanings that are explained in more detail in the description. The new compounds are a) pure antiestrogens or b) antiestrogens with partial estrogenic action (tissue-selective estrogens). Based on these properties, the new compounds are suitable for the production of pharmaceutical agents: in the case of a), for example, for the treatment of breast cancer; in the case of b), for example, for hormone replacement therapy.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: May 6, 2003
    Assignee: Schering Aktiengesellschaft
    Inventors: Ulrich Klar, Rolf Bohlmann, Karsten Parczyk, Karl-Heinrich Fritzemeier, Monika Lessl, Rosemarie Lichtner
  • Patent number: 6503895
    Abstract: This invention describes the new 17&agr;fluoroalkyl steroids of general formula I as well as their physiologically compatible salts with bases. The new compounds have an extraordinary strong antigestagenic action and are suitable for the production of pharmaceutical preparations.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: January 7, 2003
    Assignee: Schering Aktiengesellschaft
    Inventors: Wolfgang Schwede, Arwed Cleve, Ulrich Klar, Gunter Neef, Kristof Chwalisz, Martin Schneider, Ulrike Fuhrmann, Holger Heb-Stumpp
  • Publication number: 20020045774
    Abstract: This invention describes the new 17a-fluoroalkyl steroids of general formula I 1
    Type: Application
    Filed: October 18, 2001
    Publication date: April 18, 2002
    Applicant: Schering Aktiengesellschaft
    Inventors: Wolfgang Schwede, Arwed Cleve, Ulrich Klar, Gunter Neef, Kristof Chwalisz, Martin Schneider, Ulrike Fuhrmann, Holger Heb-Stumpp
  • Patent number: 6316432
    Abstract: This invention describes the new 17&agr;-fluoroalkyl steroids of general formula I as well as their physiologically compatible salts with acids, and for —CO2R9 radicals with R9 meaning hydrogen as well as their physiologically compatible salts with bases. The new compounds have an extraordinarily strong antigestagenic action and are suitable for the production of pharmaceutical preparations.
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: November 13, 2001
    Assignee: Schering Aktiengesellschaft
    Inventors: Wolfgang Schwede, Arwed Cleve, Ulrich Klar, Gunter Neef, Kristof Chwalisz, Martin Schneider, Ulrike Fuhrmann, Holger Heb-Stumpp
  • Patent number: 6166075
    Abstract: This invention relates to new antiestrogens of the general formula ##STR1## in which the substituents have the meanings that are explained in more detail in the description.The new compounds are a) pure antiestrogens or b) antiestrogens with partial estrogenic action (tissue-selective estrogens).Based on these properties, the new compounds are suitable for the production of pharmaceutical agents: in the case of a), for example, for the treatment of breast cancer; in the case of b), for example, for hormone replacement therapy.
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: December 26, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Ulrich Klar, Rolf Bohlmann, Karsten Parczyk, Karl-Heinrich Fritzemeier, Monika Lessl, Rosemarie Lichtner
  • Patent number: 6162920
    Abstract: The invention relates to pharmacologically active compounds that have the ability to influence the polymerisation and depolymerisation of tubulin.A range of natural mitosis toxins are used as anti-tumor agents or are in the process of being clinically tested. There are various classes of such mitosis toxins that either demonstrate their cytotoxic action by inhibiting the polymerisation of microtubules in the spindle system (for example, Vinca alkaloids, colchicine) or achieve their cytotoxic action by a GTP-independent increase in the polymerisation of the tubulin and by preventing the depolymerisation of microtubules (for example, taxol, taxoters).Owing to their physico-chemical properties, hitherto not understood, and as a result of the characteristics of neoplastic cells, mitosis toxins have a certain selectivity for tumor cells, but there still remains a not inconsiderable cytotoxicity towards non-transformed cells.
    Type: Grant
    Filed: July 30, 1998
    Date of Patent: December 19, 2000
    Assignee: Schering Aktiensgesellschaft
    Inventors: Ulrich Klar, Gunter Neef, Hermann Graf
  • Patent number: 6096732
    Abstract: Steroid esters of formula I ##STR1## are described, wherein m, n and x are as defined by the specification. The compounds are distinguished from the basic hydroxy compounds by considerably improved solubility as well by increased biological activity and selectivity.The compounds are suitable for the production of pharmaceutical agents.
    Type: Grant
    Filed: December 8, 1997
    Date of Patent: August 1, 2000
    Assignee: Schering AG
    Inventors: Ulrich Klar, Arwed Cleve, Wolfgang Schwede, Gunter Neef, Eckhard Ottow, Kristof Chwalisz, Martin Schneider
  • 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
  • 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
  • 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
  • Patent number: 5716989
    Abstract: The invention relates to bicyclo?3.3.0!octane compounds of formula I, ##STR1## wherein the variable are defined in this specification, as well as their enantiomers, and their salts with physiologically compatible bases. .alpha.-, .beta.-, or .tau.-Cyclodextrin clathrates of the compounds and the compounds encapsulated with liposomes are also included. The invention is further directed to processes for production of the compounds and their pharmaceutical use.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: February 10, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Ulrich Klar, Hartmut Rehwinkel, Helmut Vorbruggen, Karl Heinz Thierauch, Peter Verhallen
  • Patent number: 5625067
    Abstract: The invention relates to cyclopentane ether derivatives of Formula I ##STR1## their salts with physiologically compatible bases, as well as the .alpha.-, .beta.- or .gamma.-cyclodextrin clathrates, and also the liposome-encapsulated compounds of Formula I, processes for their production, and their pharmaceutical usage.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: April 29, 1997
    Assignee: Schering Aktiengesellschaft
    Inventors: Hartmut Rehwinkel, Ulrich Klar, Helmut Vorbruggen, Karl-Heinz Thierauch, Peter Verhallen
  • Patent number: 5405988
    Abstract: The invention relates to 9-substituted bicyclo[3.3.0]octane derivatives of formula I, ##STR1## and their salts with physiologically compatible bases, as well as the .alpha.-, .beta.- or .gamma.-cyclodextrin clathrates, as well as the compounds of formula I encapsulated with liposomes, process for their production and their pharmaceutical use.
    Type: Grant
    Filed: June 11, 1993
    Date of Patent: April 11, 1995
    Assignee: Schering Aktiengesellschaft
    Inventors: Ulrich Klar, Helmut Vorbruggen, Hartmut Rehwinkel, Karl Thierauch, Peter Verhallen
  • Patent number: 5376683
    Abstract: The invention relates to .DELTA..sup.8 - and .DELTA..sup.9 -prostaglandin derivatives of formula I, ##STR1## in which means the radicals or , R.sup.1 means ##STR2## COOR.sup.4 or CONHR.sup.5, R.sup.2 and R.sup.3 respectively mean a hydrogen atom or a hydroxy group, and the OH group can be respectively in alpha- or beta- position,means a CH.sub.2 group, an O or S atom,W means hydrogen, --OR.sup.6, halogen, --CN--, --NO.sub.2, trifluoromethyl or COOR.sup.6, and if R.sup.4 means hydrogen, their salts with physiologically compatible bases, the alpha-, beta- or gamma- cyclodextrin clathrates, as well as the compounds of formula I encapsulated with liposomes, process for their production and their pharmaceutical use.
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: December 27, 1994
    Assignee: Schering Aktiengesellschaft
    Inventors: Ulrich Klar, Hartmut Rehwinkel, Helmut Vorbruggen, Karl H. Thierauch, Claus S. Sturzebecher