Patents by Inventor Ralf Malessa

Ralf Malessa 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: 9822243
    Abstract: The invention relates to freeze-dried compositions comprising a) at least one polymer based on polyacrylic acids and salts thereof, b) at least one natural polymer, c) optionally at least one further polymer which differs from a) and b) and d) optionally one or more active compounds and/or auxiliary substances. The invention furthermore relates to a process for the preparation of such freeze-dried compositions, the combination of such freeze-dried compositions in kit-of-parts arrangements together with aqueous solutions and the use of the freeze-dried compositions and of the kit-of-parts combinations for cosmetic and pharmaceutical use, in particular for use as a cosmetic mask or as a wound covering and for the preparation of pharmaceutical agents for treatment of dermal wounds, such as, in particular, chronic wounds, ulcus cruris or decubitus.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: November 21, 2017
    Assignee: DR. SUWELACK SKIN & HEALTH CARE AG
    Inventors: Ralf Malessa, Karin Wiesweg, Claudia Elsinghorst
  • Patent number: 9327033
    Abstract: The present invention relates to degradation-stabilized, biocompatible collagen matrices which are distinguished in particular by the fact that they contain soluble collagen and peptide constituents, to processes for the preparation of such collagen matrices, which processes include in particular chemical crosslinking with an epoxy-functional crosslinking agent, and to the use of the collagen matrices according to the invention as a cosmetic or pharmaceutical agent, in particular for topical use, and as a wound treatment agent, as an implant or as a haemostatic agent in humans or animals, and as a scaffold for cell population in the biotechnology, basic research and tissue engineering field.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: May 3, 2016
    Assignee: MEDSKIN SOLUTIONS DR. SUWELACK AG
    Inventors: Ralf Malessa, Anja Kassner
  • Patent number: 9125825
    Abstract: The invention relates to freeze-dried molded articles containing magnesium ascorbyl phosphate and alginate as well as optionally one or more active substances and/or auxiliary substances. Furthermore, the invention relates to methods for manufacturing these freeze-dried molded articles, the combination of such freeze-dried molded articles in kit-of-parts arrangements together with aqueous solutions, as well as the use of the freeze-dried molded articles and the kit-of-parts combinations for pharmaceutical and cosmetic application.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: September 8, 2015
    Assignee: Medskin Solutions Dr. Suwelack AG
    Inventor: Ralf Malessa
  • Patent number: 9023333
    Abstract: The invention relates to the use of a shaped article containing at least one skeleton-forming agent, proteins being excepted, optionally one or more active substances and also optionally one or more auxiliary substances for the purpose of external application, to a process for producing the stated shaped articles, and also to novel shaped articles.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: May 5, 2015
    Inventors: Stefan Frahling, Ralf Malessa
  • Patent number: 9023369
    Abstract: The invention relates to freeze-dried molded articles, containing ?50% by wt. of one or more active substances, and ?15% by wt. of one or more scaffold-forming agents, with proteins being excepted, as well as optionally one or more auxiliary substances, in each case based on the total composition of the freeze-dried molded article, whose 1% by wt. solution or suspension in water, at 20° C., has a pH value <7. Furthermore, the invention relates to methods for manufacturing these freeze-dried molded articles, the combination of such freeze-dried molded articles in kit-of-parts arrangements together with aqueous solutions, as well as the use of the freeze-dried molded articles and the kit-of-parts combinations for pharmaceutical and cosmetic application.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: May 5, 2015
    Inventors: Ralf Malessa, Claudia Elsinghorst, Fabian Kuhlmann, Uwe Wagner
  • Publication number: 20140287006
    Abstract: The present invention relates to degradation-stabilised, biocompatible collagen matrices which are distinguished in particular by the fact that they contain soluble collagen and peptide constituents, to processes for the preparation of such collagen matrices, which processes include in particular chemical crosslinking with an epoxy-functional crosslinking agent, and to the use of the collagen matrices according to the invention as a cosmetic or pharmaceutical agent, in particular for topical use, and as a wound treatment agent, as an implant or as a haemostatic agent in humans or animals, and as a scaffold for cell population in the biotechnology, basic research and tissue engineering field.
    Type: Application
    Filed: March 28, 2014
    Publication date: September 25, 2014
    Inventors: Ralf Malessa, Anja Kassner
  • Patent number: 8722854
    Abstract: The present invention relates to degradation-stabilized, biocompatible collagen matrices which are distinguished in particular by the fact that they contain soluble collagen and peptide constituents, to processes for the preparation of such collagen matrices, which processes include in particular chemical crosslinking with an epoxy-functional crosslinking agent, and to the use of the collagen matrices according to the invention as a cosmetic or pharmaceutical agent, in particular for topical use, and as a wound treatment agent, as an implant or as a haemostatic agent in humans or animals, and as a scaffold for cell population in the biotechnology, basic research and tissue engineering field.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: May 13, 2014
    Assignee: MedSkin Solutions Dr. Suwelack AG
    Inventors: Ralf Malessa, Anja Kassner
  • Publication number: 20120165264
    Abstract: The present invention relates to degradation-stabilised, biocompatible collagen matrices which are distinguished in particular by the fact that they contain soluble collagen and peptide constituents, to processes for the preparation of such collagen matrices, which processes include in particular chemical crosslinking with an epoxy-functional crosslinking agent, and to the use of the collagen matrices according to the invention as a cosmetic or pharmaceutical agent, in particular for topical use, and as a wound treatment agent, as an implant or as a haemostatic agent in humans or animals, and as a scaffold for cell population in the biotechnology, basic research and tissue engineering field.
    Type: Application
    Filed: December 19, 2011
    Publication date: June 28, 2012
    Applicant: DR. SUWELACK SKIN & HEALTH CARE AG
    Inventors: Ralf Malessa, Anja Kassner
  • Patent number: 7998379
    Abstract: The invention relates to a process for the production of alginate-containing porous or sponge-like moulded articles, and to the moulded articles obtainable thereby and their use.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: August 16, 2011
    Assignee: Dr. Suwelack Skin & Health Care AG
    Inventor: Ralf Malessa
  • Publication number: 20100272669
    Abstract: The invention relates to freeze-dried compositions comprising a) at least one polymer based on polyacrylic acids and salts thereof, b) at least one natural polymer, c) optionally at least one further polymer which differs from a) and b) and d) optionally one or more active compounds and/or auxiliary substances. The invention furthermore relates to a process for the preparation of such freeze-dried compositions, the combination of such freeze-dried compositions in kit-of-parts arrangements together with aqueous solutions and the use of the freeze-dried compositions and of the kit-of-parts combinations for cosmetic and pharmaceutical use, in particular for use as a cosmetic mask or as a wound covering and for the preparation of pharmaceutical agents for treatment of dermal wounds, such as, in particular, chronic wounds, ulcus cruris or decubitus.
    Type: Application
    Filed: April 20, 2010
    Publication date: October 28, 2010
    Applicant: DR. SUWELACK SKIN & HEALTH CARE AG
    Inventors: Ralf Malessa, Karin Wiesweg, Claudia Elsinghorst
  • Publication number: 20100273747
    Abstract: The invention relates to freeze-dried molded articles, containing ?50% by wt. of one or more active substances, and >15% by wt. of one or more scaffold-forming agents, with proteins being excepted, as well as optionally one or more auxiliary substances, in each case based on the total composition of the freeze-dried molded article, whose 1% by wt. solution or suspension in water, at 20° C., has a pH value <7. Furthermore, the invention relates to methods for manufacturing these freeze-dried molded articles, the combination of such freeze-dried molded articles in kit-of-parts arrangements together with aqueous solutions, as well as the use of the freeze-dried molded articles and the kit-of-parts combinations for pharmaceutical and cosmetic application.
    Type: Application
    Filed: April 20, 2010
    Publication date: October 28, 2010
    Applicant: Dr. Suwelack Skin & Health Care AG
    Inventors: Ralf Malessa, Claudia Elsinghorst, Fabian Kuhlmann, Uwe Wagner
  • Publication number: 20100272834
    Abstract: The invention relates to freeze-dried molded articles containing magnesium ascorbyl phosphate and alginate as well as optionally one or more active substances and/or auxiliary substances. Furthermore, the invention relates to methods for manufacturing these freeze-dried molded articles, the combination of such freeze-dried molded articles in kit-of-parts arrangements together with aqueous solutions, as well as the use of the freeze-dried molded articles and the kit-of-parts combinations for pharmaceutical and cosmetic application.
    Type: Application
    Filed: April 20, 2010
    Publication date: October 28, 2010
    Applicant: DR. SUWELACK SKIN & HEALTH CARE AG
    Inventor: Ralf Malessa
  • Publication number: 20100272762
    Abstract: The invention relates to freeze-dried molded articles comprising at least one or more active substances and optionally one or more scaffold-forming agents, optionally one or more auxiliary substances, as well as a coating comprising at least one film-forming agent. Furthermore, the invention relates to methods for manufacturing these freeze-dried molded articles, the combination of such freeze-dried molded articles in kit-of-parts arrangements together with aqueous solutions, as well as the use of the freeze-dried molded articles and the kit-of-parts combinations for pharmaceutical and cosmetic application.
    Type: Application
    Filed: April 20, 2010
    Publication date: October 28, 2010
    Applicant: DR. SUWELACK SKIN & HEALTH CARE AG
    Inventors: Ralf Malessa, Claudia Elsinghorst, Anke Niehues, Stefan Frahling, Daniel Rauert
  • Publication number: 20100226982
    Abstract: The invention relates to a stabilized active ingredient composition comprising at least one carrier material and at least one active ingredient present in stabilized form, and at least one agent for forming the active ingredient from the stabilized form upon addition of an aqueous phase to the composition, wherein the composition is obtained by freeze drying, a process for producing the composition as well as the use of the composition.
    Type: Application
    Filed: August 16, 2007
    Publication date: September 9, 2010
    Applicant: DR. SUWELACK SKIN & HEALTH CARE AG
    Inventor: Ralf Malessa
  • Publication number: 20070218285
    Abstract: The invention relates to a process for the production of alginate-containing porous or sponge-like moulded articles, and to the moulded articles obtainable thereby and their use.
    Type: Application
    Filed: May 13, 2005
    Publication date: September 20, 2007
    Applicant: DR SUWELACK SKIN & HEALTH CARE AG
    Inventor: Ralf Malessa
  • Publication number: 20060280713
    Abstract: The invention concerns processes for the production of alginate-containing porous or sponge-like shaped articles, as well as the shaped articles obtained thereafter and their use.
    Type: Application
    Filed: May 21, 2004
    Publication date: December 14, 2006
    Applicant: Dr. Suwelack Skin & Health Care AG
    Inventor: Ralf Malessa
  • Publication number: 20050281849
    Abstract: The invention relates to the use of a shaped article containing at least one skeleton-forming agent, proteins being excepted, optionally one or more active substances and also optionally one or more auxiliary substances for the purpose of external application, to a process for producing the stated shaped articles, and also to novel shaped articles.
    Type: Application
    Filed: September 30, 2003
    Publication date: December 22, 2005
    Applicant: Dr. Suwelack Skin & Health Care AG
    Inventors: Stefan Frahling, Ralf Malessa