Patent application number | Description | Published |
20080260795 | STRONG REVERSIBLE HYDROGELS - The present invention relates to improved hydrogel materials using water gellants that are comprised of polymer backbones P to which hydrogen bonding 4H-units are covalently attached via a hydrophobic linker L. Optionally, the hydrogel contains additional ingredients or additives. These new reversible hydrogels can easily be fine-tuned in their mechanical performance and function and are especially suitable for biomedical applications. | 10-23-2008 |
20080262618 | DEVICE FOR CARTILAGE REPAIR - A prosthesis device comprising a body at least partly formed from a biocompatible segmented thermoplastic elastomer having crystallized blocks, and at least one functional component which is able to reversibly bond to the crystallized blocks, wherein the elastomer has cartilage regenerative properties. A method is provided for the preparation of the biocompatible elastomer having cartilage regenerative properties, and a method for incorporating the biocompatible elastomer in a prosthesis device able to grow into cartilage. | 10-23-2008 |
20090004274 | Hydrogen Bonded Hydrogels - The present invention relates to new hydrogel materials using water gellants that are comprised by hydrophilic polymers to which hydrogen bonding units are covalently attached. Optionally, the hydrogel contains additional ingredients or additives. These new reversible hydrogels can easily be fine-tuned in their mechanical performance and functionality and are especially suitable for cosmetic and biomedical applications. | 01-01-2009 |
20090111930 | Supramolecular Ionomers - The invention relates to supramolecular ionomers. i.e. polymers having quadruple hydrogen bonding units (4H-units) and ionic groups or ionogenic groups within their structure. The supramolecular ionomers can be dispersed or solubilized in water at high solids contents while maintaining low viscosities, facilitating easy use and processing of the resulting aqueous formulations. The aqueous supramolecular ionomer compositions have excellent film-forming properties. Moreover, the polymer materials have good mechanical properties after drying, as they are not tacky, show high elasticity and low or no creep. | 04-30-2009 |
20090130172 | Modular Bioresorbable or Biomedical, Biologically Active Supramolecular Materials - The present invention relates to a modular supramolecular bioresorbable or biomedical material comprising (i) a polymer comprising at least two 4H-units and (ii) a biologically active compound. Optionally, the supramolecular bioresorbable or bio medical material comprises a bioresorbable or biomedical polymer as third component to tune its properties (mechanical and bioresorption properties). The supramolecular bioresorbable or biomedical material is especially suitable for biomedical applications such as controlled release of drugs, materials for tissue-engineering, materials for the manufacture of a prosthesis or an implant, medical imaging technologies. | 05-21-2009 |
20100076147 | SUPRAMOLECULAR POLYMERS FROM LOW-MELTING, EASILY PROCESSABLE BUILDING BLOCKS - PCT The present invention relates to a supramolecular polymer comprising 1-50 4H-units, said supramolecular polymer being obtainable by reacting at least one monomeric building block with a prepolymer. The present invention further relates to articles or compositions comprising the supramolecular polymer, in particular articles or compositions selected from the group consisting of decorative, thermo-reversible, or self-healing coatings, adhesive compositions, sealing compositions, thickeners, gelators and binders. | 03-25-2010 |
20100298403 | MODIFIED POLY(PROPYLENE-IMINE) DENDRIMERS AND THEIR USE AS TRANSFECTION AGENTS FOR AMIONIC BIOACTIVE FACTORS ( as amended - The present invention is concerned with modified poly-(propylene imine) dendrimers, comprising cationic internal ammonium groups and external non-toxic endgroups, pharmaceutical compositions comprising said dendrimers, methods for the production of said dendrimers and their use as transfections agents for anionic bioactive therapeutic factors, for use in gene therapy, in particular for the treatment of cancer. The modified poly-(propylene imine) dendrimer of generation 1, 2, 3, 4 or 5, also comprising incomplete dendrimers and mixtures thereof, comprising external end groups and internal amine functions are characterized in that:
| 11-25-2010 |
20110034641 | PREPARATION OF SUPRAMOLECULAR POLYMERS CONTAINING QUADRUPLE HYDROGEN BONDING UNITS IN THE POLYMER BACKBONE - The present invention relates to a supramolecular polymer comprising quadruple hydrogen bonding units within the polymer backbone, wherein at least a monomer comprising a 4H-unit is incorporated in the polymer backbone via at least two reactive groups up to four reactive groups, provided that the 4H-units are not covalently incorporated in the polymer backbone through one or more silicon-carbon bonds. The invention also relates to processes for preparing such supramolecular polymers and their use in personal care applications, surface coatings, imaging technologies, biomedical applications, (themo)reversible coatings, adhesive and sealing compositions and as thickening agents, gelling agents and binders. | 02-10-2011 |
20140128482 | STRONG REVERSIBLE HYDROGELS - The present invention relates to improved hydrogel materials using water gellants that are comprised of polymer backbones P to which hydrogen bonding 4H-units are covalently attached via a hydrophobic linker L. Optionally, the hydrogel contains additional ingredients or additives. These new reversible hydrogels can easily be fine-tuned in their mechanical performance and function and are especially suitable for biomedical applications. | 05-08-2014 |
20140142256 | SUPRAMOLECULAR POLYMERS FROM LOW-MELTING, EASILY PROCESSABLE BUILDING BLOCKS - The present invention relates to a supramolecular polymer comprising 1-50 4H-units, said supramolecular polymer being obtainable by reacting at least one monomeric building block with a prepolymer. The present invention further relates to articles or compositions comprising the supramolecular polymer, in particular articles or compositions selected from the group consisting of decorative, thermo-reversible, or self-healing coatings, adhesive compositions, sealing compositions, thickeners, gelators and binders. | 05-22-2014 |
20150057237 | MODULAR BIORESORBABLE OR BIOMEDICAL, BIOLOGICALLY ACTIVE SUPRAMOLECULAR MATERIALS - The present invention relates to a modular supramolecular bioresorbable or biomedical material comprising (i) a polymer comprising at least two 4H-units and (ii) a biologically active compound. Optionally, the supramolecular bioresorbable or biomedical material comprises a bioresorbable or biomedical polymer as third component to tune its properties (mechanical and bioresorption properties). The supramolecular bioresorbable or biomedical material is especially suitable for biomedical applications such as controlled release of drugs, materials for tissue-engineering, materials for the manufacture of a prosthesis or an implant, medical imaging technologies. | 02-26-2015 |