Patents by Inventor Iris Ziegler

Iris Ziegler 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).

  • Patent number: 11007156
    Abstract: A pharmaceutical formulation for prolonged release of the active ingredient 3-(3-dimethylamino-1-ethyl-2-methylpropyl)phenol or a pharmaceutically acceptable salt thereof in a matrix containing between 1 and 80 wt. % of at least one pharmaceutically acceptable hydrophilic or hydrophobic polymer as a matrix forming agent and exhibiting in vivo the following release rate: 3 to 35% by weight (based on 100% by weight active ingredient) 3-(3-dimethylamino-1-ethyl-2-methyl-propyl)phenol released after 0.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: May 18, 2021
    Assignee: GRUENENTHAL GMBH
    Inventors: Johannes Bartholomaeus, Iris Ziegler
  • Publication number: 20200038344
    Abstract: A pharmaceutical formulation for prolonged release of the active ingredient 3-(3-dimethylamino-1-ethyl-2-methylpropyl)phenol or a pharmaceutically acceptable salt thereof in a matrix containing between 1 and 80 wt. % of at least one pharmaceutically acceptable hydrophilic or hydrophobic polymer as a matrix forming agent and exhibiting in vivo the following release rate: 3 to 35% by weight (based on 100% by weight active ingredient) 3-(3-dimethylamino-1-ethyl-2-methyl-propyl)phenol released after 0.
    Type: Application
    Filed: October 14, 2019
    Publication date: February 6, 2020
    Applicant: GRUENENTHAL GMBH
    Inventors: Johannes BARTHOLOMAEUS, Iris ZIEGLER
  • Publication number: 20180221308
    Abstract: A pharmaceutical formulation for prolonged release of the active ingredient 3-(3-dimethylamino-1-ethyl-2-methylpropyl)phenol or a pharmaceutically acceptable salt thereof in a matrix containing between 1 and 80 wt % of at least one pharmaceutically acceptable hydrophilic or hydrophobic polymer as a matrix forming agent and exhibiting in vivo the following release rate: 3 to 35% by weight (based on 100% by weight active ingredient) 3-(3-dimethylamino-1-ethyl-2-methyl-propyl)phenol released after 0.
    Type: Application
    Filed: April 2, 2018
    Publication date: August 9, 2018
    Inventors: Johannes BARTHOLOMAEUS, Iris ZIEGLER
  • Patent number: 9750701
    Abstract: The invention relates to a pharmaceutical dosage form, preferably with controlled release of a pharmacologically active compound (A) contained therein, the pharmaceutical dosage form very preferably being tamper-resistant and most preferably having a breaking strength B1 of at least 500 N in direction of extension E1 and having a breaking strength B2 of less than 500 N in direction of extension E2.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: September 5, 2017
    Assignee: GRÜNENTHAL GMBH
    Inventors: Eugeen Marie Jozef Jans, Filip René Irena Kiekens, Jody Firmin Marceline Voorspoels, Anne Faure, Iris Ziegler, Elisabeth Arkenau-Maric, Lutz Barnscheid, Johannes Bartholomäus, Marc Frevel, Eric Galia, Andrea Schüessele
  • Publication number: 20170087103
    Abstract: A pharmaceutical formulation for prolonged release of the active ingredient 3-(3-dimethylamino-1-ethyl-2-methylpropyl)phenol or a pharmaceutically acceptable salt thereof in a matrix containing between 1 and 80 wt % of at least one pharmaceutically acceptable hydrophilic or hydrophobic polymer as a matrix forming agent and exhibiting in vivo the following release rate: 3 to 35% by weight (based on 100% by weight active ingredient) 3-(3-dimethylamino-1-ethyl-2-methyl-propyl)phenol released after 0.
    Type: Application
    Filed: December 13, 2016
    Publication date: March 30, 2017
    Inventors: JOHANNES BARTHOLOMAEUS, IRIS ZIEGLER
  • Publication number: 20160199305
    Abstract: The invention relates to a pharmaceutical dosage form, preferably with controlled release of a pharmacologically active compound (A) contained therein, the pharmaceutical dosage form very preferably being tamper-resistant and most preferably having a breaking strength B1 of at least 500 N in direction of extension E1 and having a breaking strength B2 of less than 500 N in direction of extension E2.
    Type: Application
    Filed: December 11, 2015
    Publication date: July 14, 2016
    Applicant: GRÜNENTHAL GMBH
    Inventors: EUGEEN MARIE JOZEF JANS, FILIP RENÉ IRENA KIEKENS, JODY FIRMIN MARCELINE VOORSPOELS, ANNE FAURE, IRIS ZIEGLER, ELISABETH ARKENAU-MARIC, LUTZ BARNSCHEID, JOHANNES BARTHOLOMÄUS, MARC FREVEL, ERIC GALIA, ANDREA SCHÜESSELE
  • Publication number: 20160151309
    Abstract: A pharmaceutical formulation for prolonged release of the active ingredient 3-(3-dimethylamino-1-ethyl-2-methylpropyl)phenol or a pharmaceutically acceptable salt thereof in a matrix containing between 1 and 80 wt % of at least one pharmaceutically acceptable hydrophilic or hydrophobic polymer as a matrix forming agent and exhibiting in vivo the following release rate: 3 to 35% by weight (based on 100% by weight active ingredient) 3-(3-dimethylamino-1-ethyl-2-methyl-propyl)phenol released after 0.
    Type: Application
    Filed: February 8, 2016
    Publication date: June 2, 2016
    Inventors: Johannes BARTHOLOMAEUS, Iris Ziegler
  • Publication number: 20140322323
    Abstract: The invention relates to a pharmaceutical dosage form, preferably with controlled release of a pharmacologically active compound (A) contained therein, the pharmaceutical dosage form very preferably being tamper-resistant and most preferably having a breaking strength B1 of at least 500 N in direction of extension E1 and having a breaking strength B2 of less than 500 N in direction of extension E2.
    Type: Application
    Filed: April 25, 2014
    Publication date: October 30, 2014
    Applicant: GRÜNENTHAL GMBH
    Inventors: EUGEEN MARIE JOZEF JANS, FILIP RENÉ IRENA KIEKENS, JODY FIRMIN MARCELINE VOORSPOELS, ANNE FAURE, IRIS ZIEGLER, ELISABETH ARKENAU-MARIC, LUTZ BARNSCHEID, JOHANNES BARTHOLOMÄUS, MARC FREVEL, ERIC GALIA, ANDREA SCHÜESSELE
  • Patent number: 8747900
    Abstract: The invention relates to a pharmaceutical composition comprising cefuroximaxetil and at least one carrageenan selected from the group consisting of ?-carrageenan, ?-carrageenan and -carrageenan. The invention furthermore relates to pellets, to a multiparticulate, pharmaceutical dosage form and to a novel crystalline modification of cefuroximaxetil.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: June 10, 2014
    Assignee: Gruenenthal GmbH
    Inventors: Iris Ziegler, Andreas Fischer
  • Patent number: 8722086
    Abstract: A multiparticulate dosage form formulated to make misuse more difficult containing least one active substance with potential for misuse (A), at least one synthetic or natural polymer (C), optionally at least one natural, semi-synthetic or synthetic wax (D), at least one disintegrant (E) and optionally one or more additional physiologically compatible excipients (B), wherein the individual particles of the dosage form display a breaking strength of at least 500 N and a release of active substance of at least 75% after 45 minutes measured according to Ph.Eur. in the paddle mixer with sinker in 600 ml of aqueous buffer solution with a pH value of 1.2 at 37° C. and 75 rpm.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: May 13, 2014
    Assignee: Gruenenthal GmbH
    Inventors: Elisabeth Arkenau-Marić, Johannes Bartholomaeus, Iris Ziegler, Marcel Haupts
  • Publication number: 20130251759
    Abstract: The invention relates to a pharmaceutical dosage form, preferably with controlled release of a pharmacologically active compound (A) contained therein, the pharmaceutical dosage form very preferably being tamper-resistant and most preferably having a breaking strength B1 of at least 500 N in direction of extension E1 and having a breaking strength B2 of less than 500 N in direction of extension E2.
    Type: Application
    Filed: January 16, 2013
    Publication date: September 26, 2013
    Applicant: GRUENENTHAL GMBH
    Inventors: EUGEEN MARIE JOZEF JANS, FILIP RENÉ IRENA KIEKENS, JODY FIRMIN MARCELINE VOORSPOELS, ANNE FAURE, IRIS ZIEGLER, ELISABETH ARKENAU-MARIC, LUTZ BARNSCHEID, JOHANNES BARTHOLOMUÄS, MARC FREVEL, ERIC GALIA, ANDREA SCHÜESSELE
  • Publication number: 20130237608
    Abstract: A pharmaceutical formulation for prolonged release of the active ingredient 3-(3-dimethylamino-1-ethyl-2-methylpropyl)phenol or a pharmaceutically acceptable salt thereof in a matrix containing between 1 and 80 wt. % of at least one pharmaceutically acceptable hydrophilic or hydrophobic polymer as a matrix forming agent and exhibiting in vivo the following release rate: 3 to 35% by weight (based on 100% by weight active ingredient) 3-(3-dimethylamino-1-ethyl-2-methyl-propyl)phenol released after 0.
    Type: Application
    Filed: April 23, 2013
    Publication date: September 12, 2013
    Applicant: GRUENENTHAL GmbH
    Inventors: Johannes BARTHOLOMAEUS, Iris ZIEGLER
  • Patent number: 8383152
    Abstract: The invention relates to a pharmaceutical dosage form, preferably with controlled release of a pharmacologically active compound (A) contained therein, the pharmaceutical dosage form very preferably being tamper-resistant and most preferably having a breaking strength B1 of at least 500 N in direction of extension E1 and having a breaking strength B2 of less than 500 N in direction of extension E2.
    Type: Grant
    Filed: January 23, 2009
    Date of Patent: February 26, 2013
    Assignee: Gruenenthal GmbH
    Inventors: Eugeen Marie Jozef Jans, Filip René Irena Kiekens, Jody Firmin Marceline Voorspoels, Anne Faure, Elisabeth Arkenau-Maric, Lutz Barnscheid, Johannes Bartholomäus, Marc Frevel, Eric Galia, Iris Ziegler, Andrea Schüssele
  • Patent number: 8361506
    Abstract: A multiparticulate, pharmaceutical dosage form containing at least one antibiotic which is sparingly wettable with aqueous media or sparingly soluble in aqueous media and a combination of carrageenan and tricalcium phosphate and optionally sucrose ester. Also, an administration system having this dosage form arranged in a drinking straw with at least one barrier device for single administration, optionally together with a conveying liquid.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: January 29, 2013
    Assignee: Gruenenthal GmbH
    Inventors: Iris Ziegler, Johannes Bartholomäus, Jessica Redmer
  • Patent number: 8173164
    Abstract: An oral administration unit containing the active substances Tramadol and Diclofenac and/or physiologically acceptable salts thereof, in which both active substances are contained in the same administration unit as two separately formulated subunits.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: May 8, 2012
    Assignee: Gruenenthal GmbH
    Inventors: Johannes Bartholomaeus, Iris Ziegler
  • Patent number: 8147874
    Abstract: Coated pellets which comprise an active pharmaceutical ingredient that is poorly soluble in water, release at least 80% of the active ingredient under in vitro conditions in phosphate buffer at pH 5.0 after 30 minutes and are bioequivalent to a liquid formulation of the active ingredient under in vitro fed status test conditions and/or are coated with a composition, which includes a lipophilic component (A) and a hydrogel former (B), wherein the pure lipophilic component (A) has (i) an HLB value of ?5, and/or (ii) a melting range of ?60° C., and/or (iii) a solidification range ? of less than 35° C., and/or (iv) a density of ?0.80 g cm?3.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: April 3, 2012
    Assignee: Gruenenthal GmbH
    Inventors: Iris Ziegler, Irwin Jacobs
  • Publication number: 20120034304
    Abstract: A pharmaceutical formulation for prolonged release of the active ingredient 3-(3-dimethylamino-1-ethyl-2-methylpropyl)phenol or a pharmaceutically acceptable salt thereof in a matrix containing between 1 and 80 wt. % of at least one pharmaceutically acceptable hydrophilic or hydrophobic polymer as a matrix forming agent and exhibiting in vivo the following release rate: 3 to 35% by weight (based on 100% by weight active ingredient) 3-(3-dimethylamino-1-ethyl-2-methyl-propyl)phenol released after 0.
    Type: Application
    Filed: September 23, 2011
    Publication date: February 9, 2012
    Applicant: GRUENENTHAL GmbH
    Inventors: Johannes BARTHOLOMAEUS, Iris Ziegler
  • Patent number: 7906141
    Abstract: A sustained-release, oral pharmaceutical formulation of tramadol comprising a compound formed in situ of tramadol or its salt and a pharmaceutically acceptable acidic substance. The compound formed in situ has a desired water solubility. Also provided are methods of treatment using the pharmaceutical formulations. Method for preparing such formulations are also provided. The preparation method comprises repeatedly mixing tramadol or its salt with the acidic substance, and moistening the mixture and formulating the mixture under an energy input, such as heat or pressure. Optionally, drying, repeated granulating, extrudation and pelleting may also be included.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: March 15, 2011
    Assignee: Gruenenthal GmbH
    Inventors: Iris Ziegler, Johannes Bartholomaeus
  • Patent number: 7897173
    Abstract: A sustained-release, oral pharmaceutical formulation of tramadol comprising a compound formed in situ of tramadol or a tramadol salt and a pharmaceutically acceptable acidic substance. The compound formed in situ has a desired water solubility. Also provided are methods of treatment using the pharmaceutical formulations. Method for preparing such formulations are also provided. The preparation method comprises repeatedly mixing tramadol or its salt with the acidic substance, and moistening the mixture and formulating the mixture under an energy input, such as heat or pressure. Optionally, drying, repeated granulating, extrudation and pelleting may also be included.
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: March 1, 2011
    Assignee: Gruenenthal GmbH
    Inventors: Iris Ziegler, Johannes Bartholomaeus
  • Publication number: 20100068290
    Abstract: Coated pellets which comprise an active pharmaceutical ingredient that is poorly soluble in water, release at least 80% of the active ingredient under in vitro conditions in phosphate buffer at pH 5.0 after 30 minutes and are bioequivalent to a liquid formulation of the active ingredient under in vitro fed status test conditions and/or are coated with a composition, which includes a lipophilic component (A) and a hydrogel former (B), wherein the pure lipophilic component (A) has (i) an HLB value of ?5, and/or (ii) a melting range of ?60° C, and/or (iii) a solidification range ? of less than 35° C., and/or (iv) a density of ?0.80 g cm?3.
    Type: Application
    Filed: June 12, 2009
    Publication date: March 18, 2010
    Applicant: Gruenenthal GmbH
    Inventors: Iris Ziegler, Irwin Jacobs