Class / Patent application number | Description | Number of patent applications / Date published |
528363000 | With nitrogen-containing reactant | 13 |
20080227948 | Fluorine-Containing Elastomer Polymer and Method For Producing Same - The present invention provides an elastomeric fluoropolymer excellent in productivity and crosslinkability and a method of producing the same. The present invention is an elastomeric fluoropolymer having a vinyl group-containing fluorinated emulsifier-derived unit (A) and a unit (B) derived from a cure site monomer (b1) and/or bromine atom- and/or iodine atom-containing saturated aliphatic compound (b2), wherein the vinyl group-containing fluorinated emulsifier is a compound having a radical polymerizable unsaturated bond and a hydrophilic group within the molecule. | 09-18-2008 |
20080269459 | Process for the Preparation of a Dicarboxylic Acid - A process for the preparation of a saturated dicarboxylic acid, comprising the steps of (a) contacting a conjugated diene with carbon monoxide and water to obtain a mixture containing an ethylenically unsaturated acid product and one or more reversible adducts of the conjugated diene and the ethylenically unsaturated acid; and (b) reacting the ethylenically unsaturated acid product further with carbon monoxide and water to obtain the dicarboxylic acid, wherein step (a) and (b) are performed in the presence of a catalyst system including a source of palladium, a source of an anion and a bidentate phosphine ligand, and wherein in step (a) the water concentration is maintained at a range of from 0.001 to less than 3% by weight of water, calculated on the overall weight of the liquid reaction medium, and wherein in step (b) the water concentration is maintained at a range of from 3% to 50% by weight of water, calculated on the overall weight of the liquid reaction medium. | 10-30-2008 |
20090054620 | META-TYPE WHOLLY AROMATIC POLYAMIDE FIBER EXCELLENT IN HIGH-TEMPERATURE PROCESSABILITY, AND METHOD FOR PRODUCING THE SAME - Upon producing a meta-type wholly aromatic polyamide fiber by wet spinning a polymer solution containing a meta-type wholly aromatic polyamide containing a m-phenylenediamine isophthalamide skeleton as a major component, and an amide solvent containing a salt, (1) the polymer solution is ejected into a coagulation bath containing an amide solvent and water and containing a salt at a low concentration to coagulate as a porous thread body (fibrous material), (2) which is subsequently stretched in a plastic stretching bath containing an aqueous solution of an amide solvent, (3) is rinsed with water and then subjected to a heat treatment in a saturated steam atmosphere, and (4) is then subjected to a dry heat treatment, so as to produce a novel meta-type wholly aromatic polyamide fiber that contains an extremely small amount of a solvent remaining in the fibers, contains a small amount of a volatile substance harmful in a heat treatment step at a high temperature, is capable of suppressing coloration of a fiber product, and is capable of providing a product with high performance and high quality. | 02-26-2009 |
20090093610 | Catechol Functionalized Polymers and Method for Preparing Them - Described are compounds that are capable of forming adlayers, the compounds comprising at least one headgroup A, an optional linker B, a polymer C, a terminal group D and an optional crosslinking group R, wherein
| 04-09-2009 |
20100130718 | Diols and Polyols - The invention relates to new diols and polyols which are hydroxypropyl esters of hydroxycarboxylic or polycarboxylic acids. The new diols and polyols are useful as monomer compounds and reactive solvents. | 05-27-2010 |
20100317825 | Production of Glutaric Acid and Derivatives from Carbohydrate-Containing Materials - The present invention generally relates to processes for the chemocatalytic conversion of a pentose source to a glutaric acid product. The present invention includes processes for the conversion of pentose to a glutaric acid product via pentaric acid or derivatives thereof. The present invention also includes processes comprising the catalytic oxidation of pentose to pentaric acid and catalytic hydrodeoxygenation of pentaric acid or derivatives thereof to a glutaric acid product. | 12-16-2010 |
20110319589 | LONG CHAIN ALKYLENE GROUP-CONTAINING EPOXY COMPOUND - It is an object to provide a liquid thermosetting composition that yields an epoxy resin having physical properties of the cured product such as high flexural strength along with adequate handleability as liquid, to be used in transparent sealants for optical semiconductors, such as transparent sealants for LEDs (light-emitting devices) and the like. There is provided a thermosetting composition containing an epoxy compound that a side chain between a triazinetrione ring and an epoxy group substituted on the triazinetrione ring is long (elongated). | 12-29-2011 |
20120142888 | TERMINALLY UNSATURATED, OXETANE-BASED MACROMONOMERS, AND METHODS FOR THE PRODUCTION THEREOF - A process for preparing a macromonomer by cationic ring-opening polymerization of at least one hydroxyoxetane with a terminally ethylenically unsaturated starter molecule free of allyl groups in a molar ratio (hydroxyoxetane(s):starter molecule) of (100:1) to (1:1) in the presence of at least one suitable catalyst; macromononomers obtainable therefrom and use thereof. | 06-07-2012 |
20120309931 | PROCESS FOR THE SYNTHESIS OF 3-HYDROXYGLUTARONITRILE - A high yield and high productivity processes for preparing 3-hydroxyglutaronitrile by reacting an epihalohydrin or a 4-halo-3-hydroxy-butanenitrile, or analogous compound containing a different leaving group, with cyanide (CN—) in the presence of water and an ionic liquid. The use of an ionic liquid as a cosolvent with water results in increased productivity and selectivity. | 12-06-2012 |
20130041130 | TRANSPARENT COPOLYESTER, PREPARING METHOD THEREOF AND ARTICLES MADE FROM THE SAME - The present invention relates to a transparent copolyester, wherein the transparent copolyester comprises an aliphatic-aromatic copolyester segment A, a segment B having repeating units —O—CH(CH | 02-14-2013 |
20130338335 | PREPARATION OF SULFONATED NAPHTHALENE POLYOXADIAZOLES POLYMERS - Described is the preparation of sulfonated polyoxadiazole polymers with a high degree of sulfonation and good flammability properties. The polymers are useful in articles such as fibers. | 12-19-2013 |
20140066590 | POLYIMIDE PRECURSOR MODIFIED WITH DICARBOXYLIC ACID ANHYDRIDE, IMIDIZED POLYIMIDE AND LIQUID CRYSTAL ALIGNING AGENT USING IT - To provide a polyimide precursor and/or polyimide which has an excellent solubility in various organic solvents, and with which a liquid crystal alignment film can be obtained which is excellent in a rubbing resistance and which is hardly deteriorated even by irradiation with backlight. | 03-06-2014 |
20150087803 | Process for preparing poly(N-acylamides) and poly(N-acylamides) as obtained - The present invention relates to a process for preparing a poly(N-acylamide) by reaction between: —at least one compound of the following formula (I): X—R | 03-26-2015 |