Patent application number | Description | Published |
20110152497 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex. | 06-23-2011 |
20110230580 | POLYCARBONATE POLYOL COMPOSITIONS AND METHODS - In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of CO | 09-22-2011 |
20130066044 | POLYCARBONATE POLYOL COMPOSITIONS AND METHODS - In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of CO | 03-14-2013 |
20130144031 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex. | 06-06-2013 |
20130144032 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex. | 06-06-2013 |
20130144033 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex. | 06-06-2013 |
20130172482 | POLYMER COMPOSITIONS AND METHODS - The present invention encompasses polymer compositions comprising aliphatic polycarbonate chains containing sites of olefinic unsaturation. In certain embodiments the aliphatic polycarbonate chains comprise sites of olefinic unsaturation capable of participating in radical-promoted olefin polymerizations. In certain embodiments, the invention encompasses composites formed by the polymerization or cross-linking of a combination of olefinic monomers and aliphatic polycarbonate chains containing sites of olefinic unsaturation. | 07-04-2013 |
20130172524 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides bimetallic complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to one or more active metal centers of the complex. | 07-04-2013 |
20130197223 | SYNTHESIS OF SUBSTITUTED SALICYLALDEHYDE DERIVATIVES - Among other things, the present invention encompasses methods of synthesizing salicylaldehyde derivatives comprising the steps of: a) providing salicylaldehyde or a derivative thereof, b) forming an anhydro dimer of the provided salicylaldehyde compound, c) performing one or more chemical transformations on the anhydro dimer and d) hydrolyzing the anhydro dimer to provide a salicylaldehyde derivative different from that provided in step (a). | 08-01-2013 |
20130244864 | POLYCARBONATE POLYOL COMPOSITIONS AND METHODS - In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of CO | 09-19-2013 |
20140046008 | POLYCARBONATE POLYOL COMPOSITIONS AND METHODS - In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of CO | 02-13-2014 |
20140072806 | POLYMER COMPOSITIONS AND METHODS - The present invention encompasses polymer compositions comprising aliphatic polycarbonate chains containing functional groups that increase the polymer's ability to wet or adhere to inorganic materials. In certain embodiments, chain ends of the aliphatic polycarbonates are modified to introduce silicon-containing functional groups, boron-containing functional groups, phosphorous-containing functional groups, sulfonic acid groups or carboxylic acid groups. | 03-13-2014 |
20140073624 | Biaryl Heterocyclic Compounds and Methods of Making and Using the Same - The present invention relates generally to the field of anti-infective, anti-proliferative, anti-inflammatory, and prokinetic agents. More particularly, the invention relates to a family of compounds having both a biaryl moiety and at least one heterocylic moiety that are useful as such agents. | 03-13-2014 |
20140171617 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides oligomeric metal complexes having more than one metal center and methods of using such complexes. The provided metal complexes are useful in the copolymerization of carbon dioxide and epoxides. | 06-19-2014 |
20140309399 | PROCESS FOR PRODUCTION OF ACRYLATES FROM EPOXIDES - The methods of the present invention comprise the steps of: providing a feedstock stream comprising an epoxide and carbon monoxide; contacting the feedstock stream with a metal carbonyl in a first reaction zone to effect conversion of at least a portion of the provided epoxide to a beta lactone; directing the effluent from the first reaction zone to a second reaction zone where the beta lactone is subjected to conditions that convert it to a compound selected from the group consisting of: an alpha beta unsaturated acid, an alpha beta unsaturated ester, an alpha beta unsaturated amide, and an optionally substituted polypropiolactone polymer; and isolating a final product comprising the alpha-beta unsaturated carboxylic acid, the alpha-beta unsaturated ester, the alpha-beta unsaturated amide or the polypropiolactone. | 10-16-2014 |
20140336354 | SALEN COMPLEXES WITH DIANIONIC COUNTERIONS - The present invention describes metal salen complexes having dianionic counterions. Such complexes can be readily precipitated and provide an economical method for the purification and isolation of the complexes, and are useful to prepare novel polymer compositions. | 11-13-2014 |
20140343246 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex. | 11-20-2014 |
20150072970 | BIARYL HETEROCYCLIC COMPOUNDS AND METHODS OF MAKING AND USING THE SAME - The present invention relates generally to the field of anti-infective, anti-proliferative, anti-inflammatory, and prokinetic agents. More particularly, the invention relates to a family of compounds having both a biaryl moiety and at least one heterocylic moiety that are useful as such agents. | 03-12-2015 |