| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 526346000 | From aromatic hydrocarbon | 14 |
| 20080200632 | CATALYST, ITS PREPARATION AND USE - A process for preparing a catalyst which process comprises preparing a mixture comprising iron oxide and at least one Column | 08-21-2008 |
| 20090171053 | Method for Purifying Alpha-Methylstyrene and Heat-Resistant Styrene-Based Copolymer Using the Alpha-Methylstyrene - An object of the present invention is to provide highly pure α-methylstyrene by efficiently removing polar substances present in the α-methylstyrene. The present invention discloses a method for purifying α-methylstyrene by reacting polar substances contained in the α-methylstyrene in the presence of a basic substance, and separating a reaction product of the polar substance and the α-methylstyrene. | 07-02-2009 |
| 20090198031 | ONE-POT PROCESS AND REAGENTS FOR PREPARING LONG CHAIN BRANCHED POLYMERS - A one-pot polymerization process of preparing long chain branching polymers is provided. Also described is a “T” reagent that serves as a link between main and side chains of an inventive long chain branching polymer. A “T” reagent has at least two functionalities, serving as both co-monomer and chain transfer reaction agent. Optionally, a copolymerization reaction between an alpha-olefin and “T” reagent takes place initially to incorporate some “T” molecules in the polyolefin main chain, and the incorporated “T” units then behave as chain transfer agents for reacting with the propagating polyolefin chains to form side chains. In a particular embodiment, a polymerization process for preparing long chain branching polyethylene (LCBPE) and long chain branching polypropylene (LCBPP) is detailed. | 08-06-2009 |
| 20090306322 | FORMING DIE AND MICROLENS FORMED BY USING THE SAME - The present invention provides a forming die having a mold releasing layer formed on a die surface of the forming die, the mold releasing layer containing a fluororesin and having a film thickness of 10 to 500 nm; a production process of a microlens including forming a resin by using the forming die; and a microlens produced by the production process. The forming die is capable of transferring a precise shape of a die surface of the forming die to optical parts as designed. | 12-10-2009 |
| 20100056743 | POLYFARNESENES - Provided herein are polyfarnesenes such as farnesene homopolymers derived from a farnesene and farnesene interpolymers derived from a farnesene and at least a vinyl monomer; and the processes of making and using the polyfarnesenes. The farnesene homopolymer can be prepared by polymerizing the farnesene in the presence of a catalyst. In some embodiments, the farnesene is prepared from a sugar by using a microorganism. | 03-04-2010 |
| 20110054135 | Process for Purification of an Aqueous Phase Containing Polyaromatics - The present invention is a process for purifying a liquid stream comprising an aqueous phase and optionally an organic phase, | 03-03-2011 |
| 20110245444 | TRANSFORMATION OF BIOMASS - A method for processing biomass comprising heating an aqueous slurry comprising biomass, water and a phosphate catalyst in a pressure vessel at a temperature of about 150° C. to about 500° C. to produce a mixture comprising a dispersion of an organic phase and an aqueous phase. | 10-06-2011 |
| 20120029159 | POLYDENTATE HETEROATOM LIGAND CONTAINING METAL COMPLEXES, CATALYSTS AND METHODS OF MAKING AND USING THE SAME - Metal complexes comprising certain polydentate heteroatom containing ligands, catalysts, and coordination polymerization processes employing the same are suitably employed to prepare polymers having desirable physical properties. | 02-02-2012 |
| 20130184425 | LOW MOLECULAR WEIGHT POLYSTYRENE RESIN AND METHODS OF MAKING AND USING THE SAME - A low z-average molecular weight, high softening point polystyrene resin having a narrow molecular weight distribution, as well as methods of making and using the same, are provided. The use of an inert solvent and/or the order of addition of reactants during polymerization may contribute to the unique properties of the final homopolymeric resin. The polystyrene resin can be partially or fully hydrogenated and may have particular use as a tackifying agent in a variety of hot melt adhesive and rubber compositions. | 07-18-2013 |
| 20140107306 | CHEMICAL INTERMEDIATES BY CATALYTIC FAST PYROLYSIS PROCESS - In this invention, a portion of the products from a pyrolysis reactor are reacted in a process to form one or more chemical intermediates. | 04-17-2014 |
| 20140107307 | STYRENIC RESIN INCORPORATING RECYCLED POLYSTYRENE - The present disclosure provides a styrenic resin incorporating post-consumer recycle polystyrene (PCR PS), and systems and methods for making the same. For example, a styrenic resin produced in accordance with present embodiments between approximately 1 weight percent and 9 weight percent PCR PS, has a melt flow rate (MFR) of less than approximately 2.0 g/10 min per ASTM D-1238-10, and an Mz+1 molecular weight of at least 700,000. The styrenic resin is produced by a free-radical polymerization process performed on a feed having PCR PS dissolved in monovinylarene monomer. The feed is produced in such a way so as to continuously remove contaminants commonly associated with PCR PS. | 04-17-2014 |
| 526347100 | Monomer other than styrene | 2 |
| 20090043065 | Singlet oxygen oxidized materials and methods of making and using same - A method comprising irradiating a donor molecule with light to form an activated donor molecule, contacting the activated donor molecule with an acceptor molecule to form an activated acceptor molecule, and contacting the activated acceptor molecule with a substrate to generate an oxidized substrate, wherein the donor molecule is in the solid phase and the activated acceptor molecule is in the gas phase. | 02-12-2009 |
| 20100210806 | NEW NANOPOROUS CRYSTALLINE FORM OF SYNDIOTACTIC POLYSTIRENE, PROCESSES FOR ITS PREPARATION AND RELATED MOLECULAR-COMPLEX CRYSTALLINE FORMS - The present invention relates to a process for preparing a new nanoporous crystalline form of syndiotactic polystyrene, to the thus obtained crystalline form, to molecular-complex crystalline phases obtained by exposition of such crystalline form to low-molecular-mass molecules, and to the related processes for their preparation. | 08-19-2010 |
| 526347200 | Crystalline polystyrene | 1 |
| 20150367575 | METHOD FOR MANUFACTURING OBJECTS BY SELECTIVE SINTERING - The application relates to methods for manufacturing an object from a powder by selective sintering. More particularly, the methods described herein involve the step of selecting a polymer wherein the density of the crystalline phase of said polymer is equal to or lower than the density of the amorphous phase of said polymer. | 12-24-2015 |
