Class / Patent application number | Description | Number of patent applications / Date published |
528391000 | From organic reactant containing a sulfur to oxygen bond, e.g., -S(=O), etc. | 23 |
20080227949 | Hydrophilized Polyalkylene Glycol, Production Method Thereof, and Application Thereof - To provide: a hydrophilized polyalkylene glycol which is preferably used in various applications, and sufficiently exhibits high performances such as detergency; a production method thereof; and an application thereof. A hydrophilized polyalkylene glycol represented by the following formula (1): | 09-18-2008 |
20080242833 | BLEND OF IONIC (CO)POLYMER RESINS AND MATRIX (CO)POLYMERS - The invention relates to polymeric resin blends containing polyelectrolyte resins blended into a polymer or copolymer matrix. Specifically, the polyelectrolyte resins are (co)polymers without hydrolyzable groups. The matrix polymer is a tough, and highly chemical-resistant (co)polymer, preferably a fluoropolymer. The polymeric resin blend is useful for forming films, and especially films useful for MEAs for use in fuel cells. | 10-02-2008 |
20080287646 | Polyarylene and Method for Producing the Same - A dihalobenzene compound represented by the formula (1): | 11-20-2008 |
20090048424 | FLUOROSULFONYL GROUP-CONTAINING MONOMER AND ITS POLYMER, AND SULFONIC ACID GROUP-CONTAINING POLYMER - To provide a fluorosulfonyl group-containing monomer having a high polymerization reactivity and plural fluorosulfonyl groups. Further, to provide a fluorosulfonyl group-containing polymer and a sulfonic acid group-containing polymer, obtained by using the monomer. | 02-19-2009 |
20090137773 | Production Processes and Systems, Compositions, Surfactants, Monomer Units, Metal Complexes, Phosphate Esters, Glycols, Aqueous Film Forming Foams, and Foam Stabilizers - Compositions and methods for making compositions such as RF(Rτ)nQ are provided. The RF group can include at least two —CF3 groups, the Rτ group can be a group having at least two carbons, n can be at least 1, and the Q group can include one or more atoms of the periodic table of elements. RF-intermediates (RF(RT)nQg); Surfactants (RF(RT)nQs); Foam stabilizers (RF(RT)IIQFS); Metal complexes (RF(RT)IIQMC); Phosphate ester (RF(RT)HQPE); Polymers (RF(RT)IIQMU); Monomers (RF(RT)IIQM); Urethanes (RF(Rτ)nQu); and/or Glycols (RF(RT)IIQH) and methods for making the same are provided. | 05-28-2009 |
20090221787 | Production Of Monomer, Oligomer And Polymer Phosphonic Acid Esters And Phosphonic And Sulphonic Acids By A Nucleophile Aromatic Substitution - The invention relates to producing monomer, oligomer and polymer non-fluorinated, partially fluorinated or perfluorinated sulphonic acids by reacting halogenated, low-molecular weight, oligomer or macromolecular arenes with (hydrogen) sulphites, dithionites, sulphides or other reducing sulfur salts, possibly by oxidising sulphur-containing arene intermediates which are formed at a sulphur oxidation degree less than +6 by means of appropriate oxidation agents with formation of corresponding sulphonate functional groups (sulphonic acid, sulfohalogenide, sulphonamide and sulphonic acid ester groups). The invention also relates to a method for producing monomer, oligomer or polymer non-halogenated, partially halogenated or perhalogenated phosphonic acid esters and the derivatives thereof (for example, a free phosphonic acid or a phosphonic acid salt) by a nucleophile aromatic substitution (Michaelis-Becker-reaktion, complete or partial substitution of halogenide functional groups by phosphate functional groups (phosphonic acid esters, phosphonic acid amides, phosphonic acids, phosphonic acid salts, phosphonic acid halogenides). Said invention also relates to a method for producing polymer or ionomer non-halogenated, partially halogenated or perhalogenated containing (CF | 09-03-2009 |
20090275725 | POLYSULPHONES AND POLYETHER SULPHONES WITH REDUCED YELLOW INDEX AND PROCESSES FOR THEIR PREPARATION - The present invention relates to a process for the preparation of polysulfones having a yellowness index according to DIN 6167 of less than 19 and polyether sulfones having a yellowness index according to DIN 6167 of less than 30, wherein the polymerization is carried out in basic, aprotic solvents with the use of a positively conveying stirrer passing close to the wall. The present invention also relates to the polyether sulfones and polysulfones obtainable for the first time by this process and to the use of such polymers for the production of moldings, films, membranes and foams. | 11-05-2009 |
20090292105 | SULPHONYL-1,2,4-TRIAZOLE SALTS - The invention relates to triazole salts, to their preparation and to applications thereof. The salts have at least one anionic triazolium group which carries at least one chlorosulphonyl, fluorosulphonyl or alkoxyfluorosulphonyl group, each of the anionic groups being combined with a proton or a cation that has a valency of less than or equal to 4. The salts are useful as synthesis reagents, as chemical-reaction or polymerization catalysts, and as ion-conducting materials for electrochemical generators, supercapacitors and electrochromic devices. | 11-26-2009 |
20090326188 | Method for producing polyarylene - A method for producing a polyarylene comprising polymerizing only a dihalobiphenyl compound represented by the formula (1): | 12-31-2009 |
20100004424 | Methods for the Formation of Hydrogels Using Thiosulfonate Compositions and Uses Thereof - The present invention provides both crosslinked polymer compositions capable of forming hydrogels upon exposure to an aqueous environment and thiosulfonate hydrogel-forming components. The thiosulfonate hydrogel-forming components of the invention are preferably multi-arm thiosulfonate polymer derivatives that form a crosslinked polymer composition when exposed to a base without requiring the presence of a second cross-linking reagent, redox catalyst, or radiation. Methods for forming hydrogel compositions, as well as methods for using the hydrogels, are also provided. | 01-07-2010 |
20100036085 | AROMATIC POLYAMIDE, POLYMERIZATION METHOD THEREOF, AND OPTICAL FILM USING THE SAME - A novel aromatic polyamide compound, a polymerization method thereof, and an optical film for use in a flexible display substrate produced using the same are disclosed. The aromatic polyamide compound is a copolymer comprising a repeating unit of a para-substituted aromatic diamine and a repeating unit of a meta- or meta-para-substituted aromatic diamine. The aromatic polyamide compound is colorless and transparent, excellent in heat resistance, and excellent in processability such as the compound being easily dissolved in a polar organic solvent without the addition of an inorganic salt. Therefore, the aromatic polyamide compound is suitable for producing the optical film for use in a display substrate. | 02-11-2010 |
20100121025 | FLUOROSULFONATES - A process comprising polymerizing in an aqueous medium at least one fluorinated olefin monomer other than vinylidene fluoride in the presence of a compound of formula (1): | 05-13-2010 |
20110071271 | SMART DEVICES BASED ON A DYNAMIC SHAPE MEMORY EFFECT FOR POLYMERS - Certain polymer materials, including perfluorosulfonic acid ionomers, have been found to be capable of being deformed from an initial permanent shape into three or more temporary shapes. An article thus formed from such a polymer material may be used initially in a final temporary shape. As the article is progressively heated, the polymer composition reverts successively from its final temporary shape through its intermediate temporary shapes. If a suitable temperature is reached, the original permanent shape is recovered. The article may be devised to serve successive functions in each of its several shapes. | 03-24-2011 |
20110071272 | FLUOROSULFONYL GROUP-CONTAINING MONOMER AND ITS POLYMER, AND SULFONIC ACID GROUP-CONTAINING POLYMER - A fluorosulfonyl group-containing monomer having a high polymerization reactivity and plural fluorosulfonyl groups, a fluorosulfonyl group-containing polymer and a sulfonic acid group-containing polymer, obtained by using the monomer. | 03-24-2011 |
20120004387 | POLYARYLENE POLYMERS AND PROCESSES FOR PREPARING - Provided are sulfone-containing polyarylene polymers. Also provided are monomers and processes for preparing the polymers. The polyarylene polymers are suitable for use as engineering polymers. | 01-05-2012 |
20120149866 | Solvent resistant polymers - What is disclosed relates to polymers that resist dissolution in organic solvents, are vasodilators, and are tunable explosives. These polymers also form solvent resistant coatings and solvent resistant fibers as well as bonding materials. | 06-14-2012 |
20120202967 | Method For Preparing Terpolymer Of Poly (Biphenyl Sulfone Ether) And Poly (Ether Sulfone) - A method for preparing terpolymer of poly (biphenyl sulfone ether) and poly (ether sulfone) comprises: adding high-temperature organic solvent into a flask, stirring and heating to 80° C., adding 4,4′-dichlorodiphenylsulfone,4,4′-Bis(4-chlorophenyl)sulfonyl-1,1′-biphenyl and 4,4′-dihydroxydiphenylsulfone with solid content of 20-35%; stirring until monomers are completely dissolved, heating to 100° C., adding salt-forming agent and xylene; stirring while heating so that salt-forming reaction begins in the system, wherein the system temperature is controlled between 190° C. and 210° C.; when the amount of water discharged reaches the theoretical value, the first stage of salt-forming reaction is finished; heating the system to 230-236° C., and maintaining for 3-4 hours to obtain polymer viscous liquid; and refining the polymer viscous liquid to obtain a terpolymer containing different structural units in the molecular chain, wherein the Tg of the terpolymer can be regulated by changing the ratio of the two dichloro-containing monomers. | 08-09-2012 |
20120289678 | METHOD OF MAKING POLYARYLENE IONOMERS AND MEMBRANES - Described herein is the preparation of polyarylene ionomers copolymers, both polysulfones and sulfonimide containing, useful as membranes in electrochemical cells. | 11-15-2012 |
20120322973 | POLYARYLENE POLYMERS AND PROCESSES FOR PREPARING - Provided are sulfone-containing polyarylene polymers, and processes for preparing the polymers. The polyarylene polymers are suitable for use as engineering polymers. | 12-20-2012 |
20140221603 | INITIATOR - An initiator for cationic polymerization comprises a salt of a protic acid as well as a protic add. The molar ratio of protic acid to salt is in the range from 1:0.01 to 1:2000. The initiator is used for example for cationic homo- or copolymerization of trioxane, and permits stable and flexible operation of the polymerization. | 08-07-2014 |
20140249291 | METHOD OF MAKING INTEGRATED ION MEMBRANE SEALING RING ASSEMBLY - A method of making a sealing ring ion membrane integrated component, includes: mixing and stirring sulfonic resin with dimethylformamide; filtering the mixed liquid; placing the filtrate in a plastic container for precipitating; the sealing ring into a worktable of a drying apparatus; pouring the precipitated filtrate into the worktable of the drying apparatus, and vacuuming while drying; and taking the dried integrated ion membrane sealing ring assembly out of the drying apparatus, and then cooling the assembly. | 09-04-2014 |
20150352502 | METHOD FOR MANUFACTURING SULFONE POLYMER MEMBRANE - The invention pertains to a method for manufacturing a sulfone polymer membrane comprising the steps of: (i) preparing a sulfone polymer solution [solution (SP)] comprising: —at least one sulfone polymer [polymer (P)]; a solvent mixture [mixture (M)] comprising: at least one solvent selected from the group consisting of diesters of formula (I | 12-10-2015 |
20190144611 | ALIPHATIC POLYSULFONES WITH IMPROVED MECHANICAL INTEGRITY | 05-16-2019 |