Ken-Yuan
Ken-Yuan Chang, Taipei TW
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20110129437 | PLATELET ADHESION-RESISTANT MATERIAL - A platelet adhesion-resistant material is provided, which includes polytriuret-urethane consisting essentially of repeating structural units of formulae (I) to (III) in a random order, in which when the total number of the three repeating structural units in the polytriuret-urethane is 100, the number of the repeating structural units (I) is about 5 to about 50: | 06-02-2011 |
20120161067 | DENTAL ETCHING GEL COMPOSITION AND METHOD OF USE THEREOF - The present invention provides a dental etching gel composition including phosphoric acid in aqueous solution form, a viscosity-enhancing agent and optionally additives, in which the viscosity-enhancing agent is carboxymethyl cellulose (CMC) with the following properties: | 06-28-2012 |
Ken-Yuan Chang, Zhongli City TW
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20120082638 | Water-Soluble and Biodegradable Antimicrobial Agent - A water-soluble and biodegradable antimicrobial agent is provided, comprising a polymer composed of a segment A and a segment B, in which, the segment A has the following formula I: | 04-05-2012 |
20120083439 | Method of Preparing Water-Soluble and Biodegradable Antimicrobial Agent - A method of preparing a water-soluble and biodegradable antimicrobial agent is provided. The method includes treating a polypeptide compound with sodium hypochlorite for at least 1 min, such that the polypeptide compound has at least one N-halamine group and has good antimicrobial effect. By using the method of the present invention, a chemical synthesis process is not required and an organic solvent is not required either, and thus, an antimicrobial agent having high water solubility, biodegradability, non-toxicity, good sterilization effect, and regeneration can be prepared with reduced harms to the environment. | 04-05-2012 |
20120316314 | Water-Insoluble Polyglutamic Acid Fibers - A water-insoluble polyglutamic acid (PGA) fiber and a preparation method thereof are provided. In the preparation method, the PGA is cross-linked by a cross-linking agent and then passes through a spinning nozzle to form PGA fibers. Therefore, the highly water-absorbing PGA, which cannot be spun by conventional methods, can be spun to form PGA fibers and maintain the high water-absorption ability. | 12-13-2012 |
Ken-Yuan Chang, Taipei City TW
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20120115979 | CHLORINATED POLYMER ENHANCING WETTABILITY OF SILICONE HYDROGEL, SILICONE HYDROGEL COMPRISING THE SAME AND OCULAR ARTICLE MADE THEREFROM - The present invention provides a reactive hydrophilic polymer comprising units of Formulae (I) and (II): | 05-10-2012 |
20120214898 | SILICONE HYDROGEL WITH HIGH WATER CONTENT - The present invention provides a silicone hydrogel comprising a reaction product of a monomer mixture for forming the silicone hydrogel and water, wherein the water is present in an amount not less than 50 wt % based on the total weight of the silicone hydrogel. The monomer mixture comprises at least one silicon-containing monomer and at least one ionic monomer, wherein the ionic monomer is present in an amount not less than 0.7 wt % based on the total dry weight of the silicone hydrogel. The present invention also provides ocular articles made from the silicone hydrogel. | 08-23-2012 |
20120214899 | METHOD FOR ENHANCING WATER CONTENT OF SILICONE HYDROGEL CONTACT LENS - The present invention provides a method for producing a silicone hydrogel having a high water content. The method comprises the following steps: | 08-23-2012 |