Patent application number | Description | Published |
20090311457 | Oxygen Scavenging Polymers - A polymer with a backbone and an unsaturated side chain attached to the backbone. The polymer may optionally be combined with an oxidation catalyst and/or other ingredients. | 12-17-2009 |
20100237283 | Oxygen Scavenging Composition - An oxygen-scavenging composition is provided that includes an oxygen-scavenging polymer and a catalyst. The oxygen-scavenging polymer, which in preferred embodiments is suitable for use in packaging articles, includes a base polymer having a backbone, and an unsaturated side chain attached to the backbone. In one embodiment, the side chain comprises an unsaturated fatty-acid. | 09-23-2010 |
20100247821 | Oxygen Scavenging Composition - An oxygen-scavenging composition is provided that includes an oxygen-scavenging polymer and a catalyst. The oxygen-scavenging polymer, which in preferred embodiments is suitable for use in packaging articles, includes a base polymer having a backbone, and an unsaturated side chain attached to the backbone. In one embodiment, the unsaturated side chain comprises includes at least one aliphatic carbon-carbon double bond or two or more carbon-carbon double bonds. | 09-30-2010 |
20110111951 | Dendritic Oxygen Scavenging Polymer - An oxygen-scavenging composition is provided that includes an oxygen-scavenging polymer and a catalyst. The oxygen-scavenging polymer, which in preferred embodiments is suitable for use in packaging articles, is a dendritic polymer having one or more oxygen-scavenging groups. | 05-12-2011 |
20110172363 | Multilayered Package with Barrier Properties - The present invention provides compositions useful as a barrier layer in, for example, packaging products. The compositions generally comprise a blend of (i) a polyester material, preferably an aromatic polyester resin such as polyethylene terephthalate (PET) and (ii) a vinyl alcohol material. The blend optionally may further comprise (iii) a polyolefin material (preferably a functionalized polyolefin material, e.g., a BYNEL material); and/or (iv) a polyamide material (preferably an amorphous polyamide material, e.g., a GRIVORY material), that optionally further comprises an oxygen scavenging material. The present invention also provides containers (e.g., containers formed by expansion of preforms) having a multilayered body-forming portion including: a core layer comprising the aforementioned blend, and inner and outer layers of a formable polymer composition. The present invention also provides methods of making such containers. | 07-14-2011 |
20110266187 | Oxygen Scavenging Polymers - A polymer with a backbone and an unsaturated side chain attached to the backbone. The polymer may optionally be combined with an oxidation catalyst and/or other ingredients. | 11-03-2011 |
20110290696 | Polymer Having Polycyclic Groups and Coating Compositions Thereof - A polymer and coating composition containing the polymer are provided that are useful in coating applications such as, for example, food or beverage packaging containers. The polymer preferably includes a backbone having one or more polycyclic groups. In one embodiment, the polymer is a polyester and, more preferably, a polyester-urethane polymer. In one embodiment, the one or more polycyclic groups is a tricyclic or higher group. | 12-01-2011 |
20120125799 | Polyester Polymer and Coating Compositions Thereof - A polymer and coating compositions containing the polymer are provided that are useful in coating applications such as, for example, food or beverage packaging coatings. The polymer preferably includes a polyester backbone and at least one deblockable isocyanate group attached to the backbone. In one embodiment, the polymer includes a polyester-carbamate backbone, one or more pendant deblockable isocyanate groups, and one or more terminal or pendant isocyanate-reactive groups. The deblockable isocyanate groups may be provided, for example, through use of a partially blocked polyisocyanate. | 05-24-2012 |
20130264516 | Dendritic Oxygen Scavenging Polymer - An oxygen-scavenging composition is provided that includes an oxygen-scavenging polymer and a catalyst. The oxygen-scavenging polymer, which in preferred embodiments is suitable for use in packaging articles, is a dendritic polymer having one or more oxygen-scavenging groups. | 10-10-2013 |