Patent classifications
C08G79/025
Crosslinked polyphosphazene blends for gas separation membranes
The disclosed invention relates to a composition comprising a crosslinked blend of polyphosphazene polymers. The composition comprises a first polyphosphazene and a second polyphosphazene, where the first polyphosphazene and the second polyphosphazene being bound by a thiol bearing crosslinking agent. Such compositions are useful as a membrane material for the separation of gasses in a gaseous mixture.
Polymer for tissue engineering
The invention relates to a polymer for tissue engineering from biodegradable polyphosphazenes, having photopolymerizable side groups, wherein the side groups of the polyphosphazenes are formed exclusively from amino acids and/or amino acid derivatives, which are bonded to the backbone of the polyphosphazene via the amino group of the amino acid and to a spacer attached to the acid group with a carbon chain of length m, which has a vinyl group at the free end, wherein m=0 to m=10.
Polymer for tissue engineering
The invention relates to a polymer for tissue engineering from biodegradable polyphosphazenes, having photopolymerizable side groups, wherein the side groups of the polyphosphazenes are formed exclusively from amino acids and/or amino acid derivatives, which are bonded to the backbone of the polyphosphazene via the amino group of the amino acid and to a spacer attached to the acid group with a carbon chain of length m, which has a vinyl group at the free end, wherein m=0 to m=10.
Touch sensitive device and display device including the same
Provided are a touch sensitive device and a display device including the touch sensitive device. The touch sensitive device according to an embodiment of the present disclosure includes an electro-active layer formed of polyphosphazene substituted with an aryloxy group at a phosphorus atom in the backbone of the polyphosphazene, and electrodes disposed on at least one surface of the electro-active layer. The touch sensitive device according to an embodiment of the present disclosure has an excellent intensity of vibrations due to characteristics of the polyphosphazene including the substituted aryloxy group and is flame retardant and non-toxic.
Touch sensitive device and display device including the same
Provided are a touch sensitive device and a display device including the touch sensitive device. The touch sensitive device according to an embodiment of the present disclosure includes an electro-active layer formed of polyphosphazene substituted with an aryloxy group at a phosphorus atom in the backbone of the polyphosphazene, and electrodes disposed on at least one surface of the electro-active layer. The touch sensitive device according to an embodiment of the present disclosure has an excellent intensity of vibrations due to characteristics of the polyphosphazene including the substituted aryloxy group and is flame retardant and non-toxic.
CATIONIC POLYPHOSPHAZENE COMPOUND, POLYPHOSPHAZENES-DRUG CONJUGATE COMPOUND AND METHOD FOR PREPARING SAME
The present invention relates to a new class of cationic linear polyphosphazenes bearing as side groups a hydrophilic poly(ethylene glycol) and a spacer group selected from the group consisting of lysine, oligopeptides containing lysine, amino-ethanol, amino-propanol, amino-butanol, amino-pentanol and amino-hexanol, and the polyphosphazene-drug conjugates comprising hydrophobic anticancer drugs by covalent bonding and the preparation methods thereof. The present polyphosphazene-drug conjugates exhibit outstanding tumor selectivity and low toxicity.
CATIONIC POLYPHOSPHAZENE COMPOUND, POLYPHOSPHAZENES-DRUG CONJUGATE COMPOUND AND METHOD FOR PREPARING SAME
The present invention relates to a new class of cationic linear polyphosphazenes bearing as side groups a hydrophilic poly(ethylene glycol) and a spacer group selected from the group consisting of lysine, oligopeptides containing lysine, amino-ethanol, amino-propanol, amino-butanol, amino-pentanol and amino-hexanol, and the polyphosphazene-drug conjugates comprising hydrophobic anticancer drugs by covalent bonding and the preparation methods thereof. The present polyphosphazene-drug conjugates exhibit outstanding tumor selectivity and low toxicity.
Polymeric biomaterials derived from monomers comprising hydroxyacids and phenol compounds and their medical uses
The present invention provides new classes of phenolic compounds derived from hydroxyacids and tyrosol or tyrosol analogues, useful as monomers for preparation of biocompatible polymers, and the biocompatible polymers prepared from these monomeric hydroxyacid-phenolic compounds, including novel biodegradable and/or bioresorbable polymers. These biocompatible polymers or polymer compositions with enhanced bioresorbabilty and processability are useful in a variety of medical applications, such as in medical devices and controlled-release therapeutic formulations. The invention also provides methods for preparing these monomeric hydroxyacid-phenolic compounds and biocompatible polymers.
Polymeric biomaterials derived from monomers comprising hydroxyacids and phenol compounds and their medical uses
The present invention provides new classes of phenolic compounds derived from hydroxyacids and tyrosol or tyrosol analogues, useful as monomers for preparation of biocompatible polymers, and the biocompatible polymers prepared from these monomeric hydroxyacid-phenolic compounds, including novel biodegradable and/or bioresorbable polymers. These biocompatible polymers or polymer compositions with enhanced bioresorbabilty and processability are useful in a variety of medical applications, such as in medical devices and controlled-release therapeutic formulations. The invention also provides methods for preparing these monomeric hydroxyacid-phenolic compounds and biocompatible polymers.
Phosphazene-based polymer for tissue adhesion, a method for preparing the same, and use thereof
The present invention relates to a phosphazene-based polymer comprising an amino acid ester, polyethylene glycol, a group comprising a functional group, and a catechol group linked directly or by a linker to a part of or an entire functional group, in a predetermined ratio. In addition, the present invention relates to a preparation method thereof, and a tissue-adhesive composition comprising the same as an active ingredient.