Patent application number | Description | Published |
20120231038 | Wound Healing Compositions Comprising Biocompatible Cellulose Hydrogel Membranes and Methods of Use Thereof - The present invention provides a wound healing composition comprising a biocompatible hydrogel membrane wherein the hydrogel membrane has one or more of the following properties: high water content, high transparency, high permeability, high biocompatibility, high tensile strength and an optimal thickness. The invention further provides methods of treating a wound in a subject in need thereof, comprising contacting the wound with a biocompatible cellulose hydrogel membrane of the invention. | 09-13-2012 |
20130022685 | Topical Compositions and Methods of Detection and Treatment - A topical composition includes a nanoemulsion of a plurality of hydrophobic particles having a hydrophilic coating therein. The hydrophobic particles are derived from the same or different hydrophobic material and each hydrophobic particle has a melting point below the melting point of the respective hydrophobic material. The hydrophobic particles comprise a mean particle size of less than about 10 nm, and the nanoemulsion further includes one or more pharmaceutically active agents. | 01-24-2013 |
20130032059 | Cellulose-Based Hydrogels and Methods of Making Thereof - The present invention provides cellulose hydrogels having one or more of the following properties: high water content, high transparency, high permeability, high biocompatibility, high tensile strength and an optimal thickness. The present invention further provides a process for preparing a cellulose hydrogel comprising: (i) contacting cellulose with a solvent to activate the cellulose; (ii) optionally removing the solvent from the activated cellulose; (iii) substantially dissolving the activated cellulose to form a solution; (iv) allowing the solution to gel; and optionally (v) drying the gel and rehydrating the gel. The cellulose hydrogel can have many uses, including uses as contact lenses. | 02-07-2013 |
20150044446 | Cellulose Hydrogel Compositions and Contact Lenses for Corneal Applications - The present invention provides cellulose hydrogels having one or more of the following properties: high water content, high transparency, high oxygen permeability, high biocompatibility, high tensile strength and desirable thermal stability. The present invention further provides a process for preparing a cellulose hydrogel comprising (i) a step of activating cellulose, in which the activating step comprises contacting the cellulose with a solvent to activate the cellulose for a time duration from about 2 hours to about 30 hours; (ii) substantially dissolving the activated cellulose to form a solution; and (iii) gelling the solution to form a gel, in which the gelling step comprises allowing the solution to gel in an environment comprising a relative humidity from about 30% to about 80% at 35° C. | 02-12-2015 |
20150335788 | STEM CELL-IMPREGNATED THERAPEUTIC PATCH - A therapeutic patch includes at least one layer of a nanofiber fabric and at least one of a plurality of stem cells or a plurality of stem cell-derived paracrine factors embedded in the nanofiber fabric. The therapeutic patch is produced such that the nanofiber fabric is formed of a nanofiber web. | 11-26-2015 |
20150368408 | CELLULOSE HYDROGEL COMPOSITIONS AND CONTACT LENSES FOR CORNEAL APPLICATIONS - The present invention provides cellulose hydrogels having one or more of the following properties: high water content, high transparency, high oxygen permeability, high biocompatibility, high tensile strength and desirable thermal stability. The present invention further provides a process for preparing a cellulose hydrogel comprising (i) a step of activating cellulose, in which the activating step comprises contacting the cellulose with a solvent to activate the cellulose for a time duration from about 2 hours to about 30 hours; (ii) substantially dissolving the activated cellulose to form a solution; and (iii) gelling the solution to form a gel, in which the gelling step comprises allowing the solution to gel in an environment comprising a relative humidity from about 30% to about 80% at 35° C. | 12-24-2015 |
20160074520 | WOUND HEALING COMPOSITIONS COMPRISING BIOCOMPATIBLE CELLULOSE HYDROGEL MEMBRANES AND METHODS OF USE THEREOF - The present invention provides a wound healing composition comprising a biocompatible hydrogel membrane wherein the hydrogel membrane has one or more of the following properties: high water content, high transparency, high permeability, high biocompatibility, high tensile strength and an optimal thickness. The invention further provides methods of treating a wound in a subject in need thereof, comprising contacting the wound with a biocompatible cellulose hydrogel membrane of the invention. | 03-17-2016 |
20160106888 | Collagen Material and Composites for Ocular Application - A method for preparing a collagen membrane includes applying an influence of an electric field to a collagen solution positioned between capacitor plates; adding a buffer solution to the acidic collagen solution to form a collagen gel; assembling a plurality of collagen gel layers; and performing a dehydrothermal cross-link on the plurality of collagen gel layers to form a cross-linked collagen membrane. | 04-21-2016 |