| IRAN POLYMER AND PETROCHEMICAL INSTITUTE (IPPI) Patent applications |
| Patent application number | Title | Published |
|---|
| 20110218472 | NON DRUG BASED WOUND DRESSING POLYMER FILM AND A METHOD OF PRODUCING THE SAME - The various embodiments herein provide a polymer wound dresser in which no drug is used and a method of producing the same. According to an embodiment, a wound dressing film comprises a base polymer film and a laminated backing layer on the base polymer film. The base polymer film includes a natural polymer, a biopolymer and an artificial water absorber polymer. The natural polymer is a chitosan having a preset weight percentage. The biopolymer comprises one or more element selected from a group comprising of a gelatin having a preset weight percentage and a collagen having a preset weight percentage or a combination thereof. The artificial water absorber polymer is selected from a group comprising of a hydrophilic material having a preset weight percentage. The wound dressing film is a single film or a double layered film or a three layered film. | 09-08-2011 |
| 20110152483 | POLYOLEFIN PRODUCTION USING AN IMPROVED CATALYST SYSTEM - Polyolefin production using an improved catalyst system and, in particular, a method for production of a polyolefin is disclosed. One or more monomers are contacted with a catalyst system. The catalyst system includes titanium tetrachloride as a catalyst precursor and magnesium ethylate as a support for the catalyst precursor. The catalyst system also includes a hydrocarbyl aluminum cocatalyst represented by the formula R | 06-23-2011 |
