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528 - Synthetic resins or natural rubbers -- part of the class 520 series


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Class / Patent application numberDescriptionNumber of patent applications / Date published
528196000 With reactant having halo-C(=O)-halo, halo-C(=O)-O-, or -O-C(=O)-O- group 45
528176000 With polycarboxylic acid or derivative as reactant 40
528125000 From ketone-containing phenolic reactant or with ketone-containing reactant 39
528087000 From 1,2-epoxy-containing phenolic reactant or with 1,2-epoxy-containing reactant 31
528129000 With aldehyde or derivative 18
528171000 Sulfur reactant contains sulfur directly bonded to oxygen 16
528206000 Phenolic reactant contains at least one carboxylic acid group or is derivative thereof 15
528219000 Phenolic reactant contains two or more phenolic -OH groups, or two or more inorganic phenolate groups, or mixtures thereof 13
528212000 Phenolic reactant contains a single phenolic -OH group or a single inorganic phenolate thereof 11
528170000 Imide-containing reactant 8
528211000 With nitrogen-containing reactant 6
528205000 Ethylenically unsaturated reactant 3
20120277399METHOD OF SEPARATING A POLY(ARYLENE ETHER) COMPOSITION FROM A SOLVENT, AND POLY(ARYLENE ETHER) COMPOSITION PREPARED THEREBY - A method of separating a poly(arylene ether) from a solvent includes treating a poly(arylene ether)-containing solution with a devolatilizing extruder to form an extruded composition, and cooling the extruded composition with a cooling device that does not immerse the extruded composition in water. The composition may be used to isolate a poly(arylene ether) from the solvent-containing reaction mixture in which it is prepared, or to remove solvent from a multi-component poly(arylene ether)-containing thermoplastic composition.11-01-2012
20120149864POLY(ORTHOESTER) POLYMERS, AND METHODS OF MAKING AND USING SAME - Poly(orthoester) polymers, and methods of making and using such poly(orthoester) polymers are provided. The poly(orthoester) polymers can be useful for applications including, for example, medical devices and pharmaceutical compositions. In a preferred embodiment, the poly(orthoester) polymers are biodegradable.06-14-2012
20110065889POLYETHER POLYMER AND PRODUCTION PROCESS THEREOF - A polyether polymer containing a defined polymerization unit (—R03-17-2011
528167000 Phosphorus-containing reactant 3
20090131624SYNTHESIS OF MORPHOLINO OLIGOMERS USING DOUBLY PROTECTED GUANINE MORPHOLINO SUBUNITS - Morpholino compounds are provided having the structure:05-21-2009
20110040066POLYCARBONATES HAVING REARRANGEMENT STRUCTURES, CYCLIC AND LINEAR OLIGOMERS AND ALSO FLOW BEHAVIOR - The present invention relates to compositions having improved rheological properties which are based on polycarbonate having rearrangement structures and cyclic and linear oligomers and also mouldings and extrudates composed of these polycarbonate compositions.02-17-2011
20130150548PREPARATION OF HOMOPOLYMER AND COPOLYMERS OF (PHOSPHONYL)AROMATIC DIESTERS AND ACIDS - The composition of a homopolymer of (phosphonyl) aromatic diester compound using a catalyst and a glycol is provided. Further, the composition of a copolymer of the (phosphonyl) aromatic diester compound using a catalyst, a glycol and a second diester is provided. These polymers find application as flame retardants during synthesis of various polymeric materials.06-13-2013
528210000 Phenolic reactant contains a nitrogen atom 3
20080242829METHODS FOR PRODUCING AND PURIFYING 2-HYDROCARBYL-3,3-BIS(4-HYDROXYARYL)PHTHALIMIDINE MONOMERS AND POLYCARBONATES DERIVED THEREFROM - Disclosed herein is a method comprising reacting a phenolphthalein material and a primary hydrocarbyl amine in the presence of an acid catalyst to form a reaction mixture comprising 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, wherein the phenolphthalein material comprises greater than or equal to 95 weight percent phenolphthalein, based on the total weight of phenolphthalein material; quenching the reaction mixture and treating the quenched reaction mixture to obtain a first solid. The first solid is then triturated with a trituration solvent and washed to obtain a second solid, wherein the second solid comprises greater than or equal to 97 weight percent 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, based on the total weight of the second solid. The second solid may be polymerized to form a polycarbonate.10-02-2008
20080214772Rigid Heterocyclic Polymer, Production Process Thereof, and Fibers Comprising the Polymer - There are provided a rigid heterocyclic polymer comprising rigid recurring units such as units represented by the following formulae (a) and (b):09-04-2008
201300126812,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS - New triaminophenol compositions and related compounds are disclosed, as are processes for their preparation and for the preparation of novel salts and diacid complexes from such compounds. Polymers prepared from these compositions can be made into high strength fiber, film, and tape and are useful in applications such as protective apparel, aircraft, automotive components, personal electronics, and sports equipment.01-10-2013
528166000 Aluminum- or heavy metal-containing reactant 1
20090093607Crosslinked type layered metal phosphonate compound, production process therefor, non-crosslinked type layered metal phosphonate compound, production process therefor, as well as stock solution - A process for producing a crosslinked type or non-crosslinked type layered metal phosphonate compound including a reaction step of reacting two or more members selected from organic diphosphonic acids or monophosphonic acids, or derivatives thereof having predetermined conditions and a metal source capable of forming an ion of a hexacoordinate metal atom as a central atom (M) of a metal oxide octahedron upon reaction under the presence of a sulfuric acid catalyst, a crosslinked or non-crosslinked metal phosphonate compound obtained by the process, as well as a stock solution used for the synthesis of the crosslinked or non-crosslinked type layered metal phosphonate compound described above.04-09-2009
20100240856Aromatic Ether-Containing Fluorene Monomers, Processes for their Preparation and Polymerization Thereof - Novel aromatic ether-containing monomers are described along with processes for their preparation and their polymerization into corresponding aromatic ether-containing polyfluorenes. These polyfluorenes exhibited stable blue-emission and therefore have application in polymer light-emitting devices.09-23-2010
20120264906SEMICONDUCTING COMPOUNDS AND DEVICES INCORPORATING SAME - Disclosed are molecular and polymeric compounds having desirable properties as semiconducting materials. Such compounds can exhibit desirable electronic properties and possess processing advantages including solution-processability and/or good stability. Organic transistor and photovoltaic devices incorporating the present compounds as the active layer exhibit good device performance.10-18-2012
20110160421Process for Formation of Poly(arylene Ethers) with Lower Fine Particle Content - The invention is directed to a method for producing poly(arylene) ethers with improved particle size characteristics. The improved particle size characteristics of the polyphenylene ether include one or both of: (i) up to about 50 weight percent of particles smaller than 38 micrometers; and a (ii) mean particle size greater than 100 or more micrometers.06-30-2011

Patent applications in all subclasses FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE