| Patent application number | Description | Published |
|---|
| 20080275206 | POLY(CARBONATE-CO-UREA) COPOLYMERS AND MELT TRANSESTERIFICATION METHOD OF PREPARING THESE COPOLYMERS - Disclosed herein is a poly(carbonate-co-urea-co-ester) copolymer comprising incorporated urea compound, dihydroxy compound and diacid compound residues. Also disclosed herein is a poly(carbonate-co-urea) copolymer comprising incorporated urea compound and dihydroxy compound residues. | 11-06-2008 |
| 20080275209 | POLY(CARBONATE-CO-UREA) COPOLYMERS AND MELT TRANSESTERIFICATION METHOD OF PREPARING THESE COPOLYMERS - Disclosed herein is a process to prepare a poly(carbonate-co-urea) copolymer comprising reacting in the melt: (a) a dihydroxy reaction component comprising a dihydroxy compound, (b) a diaryl carbonate reaction component comprising a diaryl carbonate, (c) a urea reaction component comprising a urea compound in the presence of (d) a transesterification catalyst during at least part of the reaction and removing a phenolic byproduct to produce a poly(carbonate-co-urea) copolymer, wherein the urea and dihydroxy compounds are reacted in a molar ratio: (total moles of urea compound)/((total moles of urea compound)+(total moles of dihydroxy compound)) of less than or equal to 0.5. | 11-06-2008 |
| 20090105393 | ISOSORBIDE-BASED POLYCARBONATES, METHOD OF MAKING, AND ARTICLES FORMED THEREFROM - Disclosed herein is an isosorbide-based polycarbonate polymer comprising: an isosorbide unit, an aliphatic unit derived from a C | 04-23-2009 |
| 20090105438 | POLYCARBONATE RESINS METHOD OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - Disclosed herein is a polycarbonate comprising a terminal olefin group of the formula | 04-23-2009 |
| 20090105443 | ALIPHATIC POLYCARBONATES, METHODS OF MAKING, AND ARTICLES FORMED THEREFROM - A method of making a polycarbonate is described. The method comprises melt reacting an ester-substituted diaryl carbonate and a multifunctional compound of the formula: | 04-23-2009 |
| 20100099792 | MEDICAL DEVICE USING SULFONATED NEUTRALIZED POLYMERS WITH REDUCED ADHESION OF BIOLOGICAL FLUIDS - A medical article having neutralized sulfonic acid groups on its surface, is disclosed. The article has reduced interaction with biological fluids such as insulin, human growth hormone and human serum albumin. | 04-22-2010 |
| 20100099832 | ISOSORBIDE-BASED POLYCARBONATES, METHOD OF MAKING, AND ARTICLES FORMED THEREFROM - Disclosed herein is an isosorbide-based polycarbonate polymer comprising: an isosorbide unit, an aliphatic unit derived from a C | 04-22-2010 |
| 20110160406 | BLENDS OF ISOSORBIDE-BASED COPOLYCARBONATE, METHOD OF MAKING, AND ARTICLES FORMED THEREFROM - Disclosed herein is are thermoplastic compositions comprising a blend of a homopolycarbonate comprising units derived from an aromatic dihydroxy compound and a copolymer comprising isosorbide units and siloxane units. The copolymer comprising isosorbide units and siloxane units can further comprise non-isosorbide aliphatic units derived from a C | 06-30-2011 |
| 20110160408 | ISOSORBIDE-BASED POLYCARBONATES, METHOD OF MAKING, AND ARTICLES FORMED THEREFROM - Disclosed herein is a polycarbonate polymer comprising: an isosorbide unit, a polysiloxane unit, and an aliphatic unit different from the isosorbide unit, wherein the isosorbide unit, polysiloxane unit, and aliphatic unit are each carbonate, or a combination of carbonate and ester units, the aliphatic unit different from the isosorbide unit is derived from an aliphatic oligomeric polyester polyol having a molecular weight of 900 to 4000, and the calculated bio-content is greater than or equal to 40 weight percent, based on the total weight of the polycarbonate polymer. | 06-30-2011 |
| 20110160422 | ISOSORBIDE-BASED POLYCARBONATES, METHOD OF MAKING, AND ARTICLES FORMED THEREFROM - Disclosed herein is a polycarbonate polymer comprising: an isosorbide unit, a polysiloxane unit; and an aliphatic unit different from the isosorbide unit, wherein the isosorbide unit, polysiloxane unit, and aliphatic unit are each carbonate, or a combination of carbonate and ester units and the aliphatic unit is derived from an aliphatic oligomer having a molecular weight of 900 to 4000. | 06-30-2011 |
