Patent application number | Description | Published |
20080241521 | OXYGEN ABSORBING PLASTIC STRUCTURE - Multilayer oxygen absorbing structure comprising at least two reactive oxygen scavenging layers arranged in sequence: a rapidly absorbing highly reactive oxygen-scavenging system, comprising an oxygen permeable matrix polymer and an oxygen scavenger, and a long life layer comprising high passive oxygen barrier matrix polymer, and an oxygen scavenger. | 10-02-2008 |
20100018236 | HUMIDITY CONTROL FOR PRODUCT IN A REFRIGERATOR - The invention provides a produce preserving article comprising a mixture of humectant and silica gel sorbent. | 01-28-2010 |
20100224646 | HIGH MOISTURE BARRIER AND SELF-DESICCATING CONTAINER WITH LIVING HINGE - A self desiccating container with a living hinge includes a container body made from a resin bonded sorbent and at least one attachment feature, and a container closure having a closure portion engageable with the container body to close the body and an attachment feature compatible with the attachment feature on the container body for securing the closure to the body, and a living hinge connecting the closure portion to the attachment feature. | 09-09-2010 |
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 |
20110237422 | RESIN BONDED SORBENT - A multi-functional resin bonded sorbent material including a blend of a resin, a sorbent and an electrically conductive material. The sorbent includes a plurality of sorbent particles uniformly dispersed within the resin so that each sorbent particle of the plurality of sorbent particles is fully surrounded by the resin and the electrically conductive material includes a plurality of conductive particles dispersed within the resin so that the plurality of conductive particles forms a conductive path. | 09-29-2011 |
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 |
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 |
20110306488 | OXYGEN ADSORBER WITH GLYCERIN AND CHABAZITE - An oxygen absorber includes iron, chabazite, water and glycerin. The oxygen absorber provides quicker oxygen uptake without excessive heating. | 12-15-2011 |
20120015081 | OXYGEN AND CARBON DIOXIDE ABSORPTION IN A SINGLE USE CONTAINER - The invention provides for an extended shelf life package comprising a material for mammal 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 mammal ingestion, and the container also holds the oxygen scavenger. | 01-19-2012 |
20120257951 | MATERIAL HANDLING APPARATUS - A material handling apparatus for conveying an article having a ferromagnetic component includes a hopper, a discharge, and a magnet. The hopper has an inlet and outlet and defines a hopper volume for receiving a plurality of the articles to be conveyed. The discharge is spaced from and downstream of the hopper. The magnet is movable between an attracting position proximate the hopper and a discharge position proximate the discharge. | 10-11-2012 |
20130022812 | HIGH WATER ACTIVITY CARBON CONTAINING OXYGEN ABSORBER - The invention provides an oxygen absorbing article comprising carbon, iron, refined wood pulp, and water. In another embodiment the invention provides an oxygen absorbing article comprising a base sheet, a cover sheet secured to said base sheet to define a closed space there between, a first layer of oxygen absorbing materials in integral layer form in said closed space, wherein the oxygen absorbing materials comprises carbon, iron, refined wood pulp, and water. | 01-24-2013 |
20130231398 | CHABAZITE AND CLINOPTILOLITE IN OXYGEN ABSORBERS - This invention relates generally to an oxygen absorber and more particularly, to oxygen absorbers including iron and one or more oxygen and water absorbing feldspars such as Chabazite and Clinoptilolite. | 09-05-2013 |
20130302235 | REMOVING SULFUR DIOXIDE FROM PACKAGING - A sulfur dioxide reducing composition for reducing the headspace concentration of sulfur dioxide in fruit packages includes a sulfur dioxide absorber having pores sized to retain sulfur dioxide therein and a clinching absorber on the sulfur dioxide absorber with which the sulfur dioxide reacts irreversibly with the sulfur dioxide. | 11-14-2013 |
20130302479 | REMOVING SULFUR DIOXIDE FROM PACKAGING - A sulfur dioxide reducing composition includes an adsorber and an absorber on the adsorber. The adsorber attracts and holds sulfur dioxide and the absorber reacts irreversibly with the sulfur dioxide. | 11-14-2013 |
20130343973 | ABSORBENT FOR OPTICS AND ELECTRICAL COMPONENTS - The invention general provides a method of absorbing gases from manufactured articles comprising providing a gas absorbent in gaseous contact with the manufactured article wherein the gas absorber comprises activated carbon, molecular sieve, and alkaline salt. | 12-26-2013 |
20140272021 | ETHYL ALCOHOL EMITTING PACKAGE FOR BAKED GOODS - The invention relates to a food package comprising a container having moisture barrier properties and containing a product subject to mold growth and further containing stabilized ethyl alcohol emitting composite material. | 09-18-2014 |