| Patent application number | Description | Published |
|---|
| 20090067760 | BAGS HAVING ODOR MANAGEMENT CAPABILITIES - Bags or liners having incorporated therein an effective amount of odor management agents including a counteractant agent, a neutralizing agent and optionally, a masking agent, whereby the odor management agent imparts no perceptible scent to the bags or liners, such that the bags or liners are substantially free of fragrance while the odor management agent reduces malodor emanating from products disposed within the bag. Further, the invention is drawn to web materials for use in forming the bags or liners having odor management agents. The odor management agent is disposed within the bag or dispersed substantially uniformly throughout the web. | 03-12-2009 |
| 20090155508 | Encapsulated Activated Carbon and the Preparation Thereof - The present invention relates to encapsulated activated carbon and a method of preparing the same to protect the structure of the activated carbon and preserve the odor absorbing capability of the activated carbon particles. Particularly, the present invention is directed to a method of forming a polymer substrate upon melt processing comprising providing a first master batch of activated carbon particles that are at least partially encapsulated with a non-water soluble amorphous polymer, providing a matrix polymer, mixing the first master batch with the matrix polymer to form a mixture, and extruding the mixture to form a polymer substrate. | 06-18-2009 |
| 20100255231 | OXYGEN SCAVENGING FILMS - A well dispersed oxygen scavenging particulate compounded in a polymer matrix. The oxygen scavenging formulation consists of iron powder with a mean particle sizes within 1-25 um and pre-coated with at least one or more activating and acidifying powdered compounds, usually in the form of solid organic and inorganic salts of alkaline and alkaline earth metals such as sodium chloride and sodium bisulfate. The pre-coated iron particulate is dispersed into a polymer resin by using a conventional melt processing method such as twin-screw extrusion. The oxygen scavenging compound is mixed with polymer pellets in the solid state prior to melting. The polymer resin pellets and the coated iron powder are preferably treated with a surfactant in the dry state to help dispersing the iron/salt powder with the resin pellets. The melt extruded compounds are pelletized and kept in the dry state to prevent premature activation. | 10-07-2010 |
| 20100282633 | LAMINATED AND THERMOFORMED ARTICLES CONTAINING OXYGEN SCAVENGER - A well dispersed oxygen scavenging particulate compounded in a polymer matrix. The oxygen scavenging formulation consists of iron powder with a mean particle sizes within 1-25 um and pre-coated with at least one or more activating and acidifying powdered compounds, usually in the form of solid organic and inorganic salts of alkaline and alkaline earth metals such as sodium chloride and sodium bisulfate. The pre-coated iron particulate is dispersed into a polymer resin by using a conventional melt processing method such as twin-screw extrusion. The oxygen scavenging compound is mixed with polymer pellets in the solid state prior to melting. The polymer resin pellets and the coated iron powder are preferably treated with a surfactant in the dry state to help dispersing the iron/salt powder with the resin pellets. The melt extruded compounds are pelletized and kept in the dry state to prevent premature activation. | 11-11-2010 |
| 20110217430 | THERMOPLASTIC AND BIODEGRADABLE POLYMER FOAMS CONTAINING OXYGEN SCAVENGER - The invention relates to an oxygen scavenging material comprising an oxygen scavenger disbursed in a low density foam, wherein the oxygen scavenger has a particle size of less than 25 μm. In another embodiment the invention relates to a product package comprising a foam tray, product in the tray, and a polymer cover surrounding the meat and tray, wherein the foam tray comprises an oxygen scavenging material, wherein the oxygen scavenging material comprises an oxygen scavenger disbursed in the foam and wherein the oxygen scavenger has a particle size of less than 25 μm. | 09-08-2011 |
| 20110243483 | OXYGEN AND CARBON DIOXIDE ABSORPTION IN A SINGLE USE CONTAINER - The invention provides for an extended shelf life package comprising a material for human ingestion that degrades by oxidation, comprising an oxygen scavenger comprising a transition metal oxygen scavenger, a container substantially impervious to oxygen, wherein the container has a filter suspended in the container, the filter holds the material for human ingestion, and the container also holds the oxygen scavenger. | 10-06-2011 |
| 20110244085 | OXYGEN, WATER VAPOR, AND CARBON DIOXIDE ABSORPTION IN A SINGLE USE CONTAINER - The invention provides for an extended shelf life single portion package including a container having therein a material for mammal ingestion that degrades by exposure to oxygen, water vapor, or carbon dioxide, an absorber selected from at least one of a carbon dioxide absorber, water vapor absorber, and oxygen scavenger wherein the container is substantially impervious to oxygen, carbon dioxide, and water vapor. | 10-06-2011 |
| 20110278499 | CONTROLLED RELEASE OF WATER TO AN OXYGEN SCAVENGER - The invention provides an article for oxygen absorption comprising a container containing a water-soluble ion source, an water activated oxygen scavenger, and a rupturable canister of hydrated polymer. | 11-17-2011 |
| 20110281125 | BIODEGRADABLE POLYMER ARTICLES CONTAINING OXYGEN SCAVENGER - The invention provides a biodegradable oxygen absorbing plastic comprising a biodegradable substrate a sufficient concentration of reduced iron particles to adsorb oxygen in significant quantities and reduce the deformation temperature of the substrate substantially below the deformation temperature without iron particles present. | 11-17-2011 |
