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).
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Patent number: 9822243Abstract: 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: GrantFiled: April 20, 2010Date of Patent: November 21, 2017Assignee: DR. SUWELACK SKIN & HEALTH CARE AGInventors: Ralf Malessa, Karin Wiesweg, Claudia Elsinghorst
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Patent number: 9327033Abstract: 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: GrantFiled: March 28, 2014Date of Patent: May 3, 2016Assignee: MEDSKIN SOLUTIONS DR. SUWELACK AGInventors: Ralf Malessa, Anja Kassner
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Patent number: 9125825Abstract: 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: GrantFiled: April 20, 2010Date of Patent: September 8, 2015Assignee: Medskin Solutions Dr. Suwelack AGInventor: Ralf Malessa
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Patent number: 9023333Abstract: 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: GrantFiled: September 30, 2003Date of Patent: May 5, 2015Inventors: Stefan Frahling, Ralf Malessa
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Patent number: 9023369Abstract: 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: GrantFiled: April 20, 2010Date of Patent: May 5, 2015Inventors: Ralf Malessa, Claudia Elsinghorst, Fabian Kuhlmann, Uwe Wagner
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Publication number: 20140287006Abstract: 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: ApplicationFiled: March 28, 2014Publication date: September 25, 2014Inventors: Ralf Malessa, Anja Kassner
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Patent number: 8722854Abstract: 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: GrantFiled: December 19, 2011Date of Patent: May 13, 2014Assignee: MedSkin Solutions Dr. Suwelack AGInventors: Ralf Malessa, Anja Kassner
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Publication number: 20120165264Abstract: 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: ApplicationFiled: December 19, 2011Publication date: June 28, 2012Applicant: DR. SUWELACK SKIN & HEALTH CARE AGInventors: Ralf Malessa, Anja Kassner
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Patent number: 7998379Abstract: 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: GrantFiled: May 13, 2005Date of Patent: August 16, 2011Assignee: Dr. Suwelack Skin & Health Care AGInventor: Ralf Malessa
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Publication number: 20100272669Abstract: 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: ApplicationFiled: April 20, 2010Publication date: October 28, 2010Applicant: DR. SUWELACK SKIN & HEALTH CARE AGInventors: Ralf Malessa, Karin Wiesweg, Claudia Elsinghorst
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Publication number: 20100273747Abstract: 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: ApplicationFiled: April 20, 2010Publication date: October 28, 2010Applicant: Dr. Suwelack Skin & Health Care AGInventors: Ralf Malessa, Claudia Elsinghorst, Fabian Kuhlmann, Uwe Wagner
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Publication number: 20100272834Abstract: 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: ApplicationFiled: April 20, 2010Publication date: October 28, 2010Applicant: DR. SUWELACK SKIN & HEALTH CARE AGInventor: Ralf Malessa
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Publication number: 20100272762Abstract: 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: ApplicationFiled: April 20, 2010Publication date: October 28, 2010Applicant: DR. SUWELACK SKIN & HEALTH CARE AGInventors: Ralf Malessa, Claudia Elsinghorst, Anke Niehues, Stefan Frahling, Daniel Rauert
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Publication number: 20100226982Abstract: 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: ApplicationFiled: August 16, 2007Publication date: September 9, 2010Applicant: DR. SUWELACK SKIN & HEALTH CARE AGInventor: Ralf Malessa
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Publication number: 20070218285Abstract: 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: ApplicationFiled: May 13, 2005Publication date: September 20, 2007Applicant: DR SUWELACK SKIN & HEALTH CARE AGInventor: Ralf Malessa
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Publication number: 20060280713Abstract: 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: ApplicationFiled: May 21, 2004Publication date: December 14, 2006Applicant: Dr. Suwelack Skin & Health Care AGInventor: Ralf Malessa
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Publication number: 20050281849Abstract: 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: ApplicationFiled: September 30, 2003Publication date: December 22, 2005Applicant: Dr. Suwelack Skin & Health Care AGInventors: Stefan Frahling, Ralf Malessa