| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 558265000 | Plural -O-C(=O)O- groups attached indirectly to each other by nonionic bonding | 14 |
| 20120215020 | POLYMERS BASED ON GLYCEROL CARBONATE AND AN AMINE - The present invention relates to a polymer and the associated polymerization process, and to the use of the polymers according to the invention for example as foam suppressant, for the dispersion of solids or as surfactant for washing or cleaning purposes. The polymer is prepared by polymerization of
| 08-23-2012 |
| 558266000 | Additional chalcogen attached indirectly to one of the -O-C(=O)O- groups by acyclic nonionic bonding | 10 |
| 20100292497 | POLYCARBONATE DIOL WITH EASE OF REACTION STABILIZATION - A polycarbonate diol comprising repeating units represented by the following formula (A) and a terminal hydroxy group. It is characterized in that 60-100 mol % of the repeating units represented by the formula (A) are repeating units represented by the following formula (B) or (C), the amount of the repeating units represented by the formula (B) is 10-50 mol %, excluding 50 mol %, based on the total amount of the repeating units represented by the formula (A), and the polycarbonate diol has a terminal primary OH ratio of 95-98.5%. (A) (In the formula, R represents a C | 11-18-2010 |
| 20120289732 | PROCESS FOR THE ACTIVATION OF DOUBLE METAL CYANIDE CATALYSTS FOR THE PREPARATION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the activation of double metal cyanide (DMC) catalysts for the preparation of polyether carbonate polyols by catalytic copolymerisation of carbon dioxide (CO | 11-15-2012 |
| 20130123532 | METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides and carbon dioxide in the presence of at least one double metal cyanide catalyst, wherein the cyanide-free metal salt, the metal cyanide salt or both the mentioned salts used for the preparation of the double metal cyanide catalyst contain(s) from 0.3 to 1.8 mol base equivalents (based on 1 mol of the metal cyanide salt used for the synthesis of the catalyst) of alkaline metal hydroxide, metal carbonate and/or metal oxide. | 05-16-2013 |
| 20130289297 | "Precise Control of Molecular Weight and Chain Shape Control in Carbon Dioxide/Epoxide Alternating Copolymerization and Preparation of Low Molecular Weight Poly(alkylene Carbonate) Thereby" - This invention relates to a method of preparing poly(alkylene carbonate) that has a molecular weight and polymer chain structure precisely controlled by adding a chain transfer agent composed of a compound having an alcohol or carboxylic acid functional group upon alternating copolymerization of an epoxide compound and carbon dioxide using a catalyst composed of a trivalent metal complex compound synthesized from a quaternary ammonium salt-containing Salen type ligand, and to a polymer compound prepared thereby. According to this invention, the polymer compound having a star-shaped chain as well as the polymer having a linear chain can be prepared. The low-molecular-weight poly(alkylene carbonate) has an —OH terminal group and can be used alone as a coating agent, etc., and also in mixtures with an isocyanate compound and thus can be easily utilized to prepare polyurethane. | 10-31-2013 |
| 20150329468 | Method for the synthesis of alpha/alpha-prime-alcoxylated glycerol linear carbonic esters - A method for the synthesis of α/α′-alcoxylated glycerol linear carbonic esters, wherein the following are brought into contact at a reaction temperature lower than 220° C.: a quantity of at least one precursor selected from the group consisting of α/α′-alcoxylated glycerol cyclo-carbonates; a quantity of at least one catalyst selected from the group consisting of metal oxides, Lewis acids, organometallic catalysts and mineral bases; and a quantity of at least one organic primer. A composition containing at least one novel α/α′-alkoxylated glycerol linear carbonic ester. | 11-19-2015 |
| 20160194441 | PROCESS FOR PREPARING POLYETHER CARBONATE POLYOLS | 07-07-2016 |
| 558267000 | The additional chalcogen, X, is in a -C(=X)- group | 4 |
| 20110098498 | Processes For Preparing A Polymeric Compound - The present invention provides methods for preparing a polymeric compound of Formula I: | 04-28-2011 |
| 20110319648 | Isocyanates and Aromatic Hydroxy Compounds - An object of the present invention is to provide a process for producing isocyanates, which are industrially useful compounds, without using phosgene, and to provide a process for chemically recycling waste polycarbonate resin. The present invention discloses a process enabling isocyanate compounds to be produced without using phosgene as a raw material by subjecting a carbamic acid ester compound obtained by a reaction between an aromatic polycarbonate resin and an amine compound to a thermal decomposition reaction, while at the same time disclosing a process enabling chemical recycling of aromatic polycarbonate resin by recovering a divalent aromatic hydroxy compound forming aromatic polycarbonates. | 12-29-2011 |
| 20120108837 | RADICAL POLYMERIZABLE MACROCYCLIC RESIN COMPOSITIONS WITH LOW POLYMERIZATION STRESS - A composition of macrocyclic oligomer with at least one (meth)acrylate polymerizable group. A method includes preparing an activated precursor of an oligomer at pseudo high-dilution conditions. A method also includes preparing an activated precursor of an oligomer by reacting the precursor with an activated coupling agent, wherein the precursor is condensable and polymerizable. | 05-03-2012 |
| 20160031794 | ORGANIC OLIGOMERS OF ACYLGLYCEROL - Organic oligomers of acylglycerol having general formula (I): Formula (I), in which M1 and Q1 are organic groups; G11 is a hydroxylpropyl group; G12 and G13 are α/α′-acylglycerols; n is a natural integer from the range [0; 8]; m is a natural integer from the range [0; 4]; and p is a natural integer from the range [0; 3]. | 02-04-2016 |
| 558268000 | Benzene ring attached directly or indirectly to one of the -O-C(=O)O- groups by nonionic bonding | 3 |
| 20130245306 | TWO ATOM BRIDGED DICARBONATE COMPOUNDS AS INTERNAL DONORS IN CATALYSTS FOR POLYPROPYLENE MANUFACTURE - A compound suitable for use as an internal electron donor having a structure: | 09-19-2013 |
| 20150307440 | REDUCED COENZYME Q10 DERIVATIVE AND METHOD FOR PRODUCTION THEREOF - A reduced coenzyme Q | 10-29-2015 |
| 558269000 | Nitrogen attached directly or indirectly to the benzene ring by nonionic bonding | 1 |
| 20120101292 | METHOD FOR PRODUCING BISCHLOROFORMATE COMPOUND, POLYCARBONATE OLIGOMER HAVING SMALL NUMBER OF MONOMERS AND SOLUTION CONTAINING BISCHLOROFMATE COMPOUND - A dihydric phenol compound represented by the following formula (2), a phosgene compound, and an aliphatic tertiary amine are mixed together using a hydrophobic organic solvent to produce bischloroformate that is represented by the following formula (1) and has an average number of repeating units (n) of 1.99 or less. | 04-26-2012 |
