Patent application number | Description | Published |
20080197528 | Combination of Substituted Cyclodextrin Compound and Activated Carbon - The invention is a composition that can prevent formation in, or scavenge undesirable organic materials from, a polymer matrix. The composition contains cyclodextrin and particles of activated carbon. The composition can scavenge thermal decomposition products that can be produced during melt processing of a polymer, contaminants inherent in a polymer, or other types of impurities from a polymer matrix that otherwise may elute into the air, a water supply, or an ingestible material such as a food, a drug, or a beverage. Other aspects of the invention are blends of the composition with polymeric materials, methods of making blends, articles containing the composition, and methods of making articles containing the composition. | 08-21-2008 |
20100247825 | MALODOR ABSORBENT POLYMER AND FIBER - Thermoplastic polyolefin polymer composition, polymer chip, fiber, woven or nonwoven fabric, film, closures, laminates can comprise a polymer, a polymer and a nonvolatile polymer-compatible carboxylic acid. Thermoplastic polyolefin polymer composition can also comprise a polymer, a cyclodextrin-modified polymer and a nonvolatile polymer-compatible carboxylic acid. The carboxylic acid moiety of the polymer composition can react with basic materials in the polymer environment and reduce release of the basic material. The cyclodextrin can act to absorb or trap other contaminants or odors in the environment. | 09-30-2010 |
20100247826 | Malodor Absorbent Polymer and Fiber - Thermoplastic polyolefin polymer composition, polymer chip, fiber, woven or nonwoven fabric, film, closures, laminates can comprise a polymer, a polymer and a nonvolatile polymer-compatible carboxylic acid. Thermoplastic polyolefin polymer composition can also comprise a polymer, a cyclodextrin-modified polymer and a nonvolatile polymer-compatible carboxylic acid. The carboxylic acid moiety of the polymer composition can react with basic materials in the polymer environment and reduce release of the basic material. The cyclodextrin can act to absorb or trap other contaminants or odors in the environment. | 09-30-2010 |
20110072967 | Packaging Material Such as Film, Fiber, Woven and Nonwoven Fabric with Adsorbancy - The invention relates to compositions that can be used to adsorb low concentration, preferably, for example less than 15 ppm, of unwanted or target substances. Typically the absorbance can be from an enclosed vapor phase. Such absorbency is accomplished in a contained substantially enclosed gaseous volume or atmosphere using a composition comprising a cyclodextrin compound and a polyethylenimine that can have an absorbency capability for low concentrations of unwanted or target substances. Such absorbency can be obtained with thermoplastic materials used in the form of bulk polymer or a film, fiber, web, woven fabric, nonwoven fabric, sheet, packaging and other such structures including or surrounding the enclosed volume. The adsorbent of the invention is typically used in the context of an enclosed volume, also known as an enclosed ambient vapor phase that contains the adsorbent of the invention and the unwanted or target substances at a concentration that is not desirable. The concentration should be reduced to non-offensive sensed limits or a limit that does not produce a biological response. | 03-31-2011 |
20110143004 | MATURATION OR RIPENING INHIBITOR RELEASE FROM POLYMER, FIBER, FILM, SHEET OR PACKAGING - Thermoplastic polyolefin polymer compositions, polymer chips, fibers, woven or nonwoven fabrics, films, closures, and laminates include a polymer and cyclodextrin compound with a volatile maturation inhibitor or an olefinic ethylene receptor antagonist in respiring produce materials. The polymer composition can also include a cyclodextrin-modified polymer or a substituted cyclodextrin. Olefinic ethylene inhibitors can be formed in the cyclodextrin composition, wherein the cyclodextrin releases the olefinic inhibitor composition when used in produce packaging materials. Coating compositions can also be made. The inhibitor is introduced into the materials and is released under controlled conditions of humidity. Upon release, the olefinic inhibitor blocks ethylene receptor sites on proteins that control maturation and can produce an extended period during which the produce does not substantially complete maturation or ripening to a degree leading to spoilage. | 06-16-2011 |
20120071592 | COMBINATION OF SUBSTITUTED CYCLODEXTRIN COMPOUND AND ACTIVATED CARBON - The invention is a composition that can prevent formation in, or scavenge undesirable organic materials from, a polymer matrix. The composition contains cyclodextrin and particles of activated carbon. The composition can scavenge thermal decomposition products that can be produced during melt processing of a polymer, contaminants inherent in a polymer, or other types of impurities from a polymer matrix that otherwise may elute into the air, a water supply, or an ingestible material such as a food, a drug, or a beverage. Other aspects of the invention are blends of the composition with polymeric materials, methods of making blends, articles containing the composition, and methods of making articles containing the composition. | 03-22-2012 |
20120107459 | CYCLODEXTRIN COMPOSITIONS, ARTICLES, AND METHODS - Cyclodextrin compositions including one or more radiation polymerizable monomers and a cyclodextrin inclusion complex, the cyclodextrin inclusion complex including a cyclodextrin compound and an olefinic inhibitor of an ethylene generation in produce, are coated onto packaging materials and cured. Treated containers and treated package inserts having the cured cyclodextrin compositions are useful in packaging of respiring plant materials. | 05-03-2012 |
20120301595 | Malodor Absorbent Polymer and Fiber - Thermoplastic polyolefin polymer composition, polymer chip, fiber, woven or nonwoven fabric, film, closures, laminates can comprise a polymer, a polymer and a nonvolatile polymer-compatible carboxylic acid. Thermoplastic polyolefin polymer composition can also comprise a polymer, a cyclodextrin-modified polymer and a nonvolatile polymer-compatible carboxylic acid. The carboxylic acid moiety of the polymer composition can react with basic materials in the polymer environment and reduce release of the basic material. The cyclodextrin can act to absorb or trap other contaminants or odors in the environment. | 11-29-2012 |
20130029058 | CYCLODEXTRIN COMPOSITIONS, ARTICLES, AND METHODS - Cyclodextrin compositions including one or more radiation polymerizable monomers and a cyclodextrin inclusion complex, the cyclodextrin inclusion complex including a cyclodextrin compound and an olefinic inhibitor of an ethylene generation in produce, are coated onto packaging materials and cured. Treated containers and treated package inserts having the cured cyclodextrin compositions are useful in packaging of respiring plant materials. | 01-31-2013 |
20130251926 | CYCLODEXTRIN COMPOSITIONS, ARTICLES, AND METHODS - Cyclodextrin compositions including one or more radiation polymerizable monomers and a cyclodextrin inclusion complex, the cyclodextrin inclusion complex including a cyclodextrin compound and an olefinic inhibitor of an ethylene generation in produce, are coated onto packaging materials and cured. Treated containers and treated package inserts having the cured cyclodextrin compositions are useful in packaging of respiring plant materials. | 09-26-2013 |
20140154370 | CONTROLLED RELEASE COMPOSITIONS AND METHODS OF USING - Cyclodextrin compositions, including a hydrophobic carrier and a cyclodextrin complex, are formed and disposed on a variety of substrates using conditions that avoid substantial loss of the complexed compound from the cyclodextrin complex, even where the complexed compound is a gas a common ambient temperatures (e.g. 20° C.). Flexographic printing is particularly useful for disposing the cyclodextrin compositions on one or more substrates. Substrates treated with the cyclodextrin complexes are useful for subsequent release of the complexed compound. | 06-05-2014 |
20140334998 | MATERIAL SUCH AS FILM, FIBER, WOVEN AND NONWOVEN FABRIC WITH ADSORBANCY - Compositions that can be used to adsorb low concentration, of unwanted or target substances from a dynamic fluid stream or from an enclosed static vapor phase. Such adsorbency can be obtained with thermoplastic materials used in the form of bulk polymer or a film, fiber, web, woven fabric, non-woven fabric, sheet, packaging and other such structures including or surrounding the enclosed volume. The concentration should be reduced to non-offensive sensed limits or a limit that does not produce a biological response. | 11-13-2014 |