Patents in Class 528/226

Matches 1 - 50 out of 304

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Match	Document	Document Title
1	7507771	Ion conductive copolymers containing one or more hydrophobic oligomers In one aspect, the invention provides ion conductive copolymers comprising (1) a plurality of first oligomers, (2) a plurality of second oligomers, (3) ion conductive monomers and (4) linking...
2	7473719	Crosslinkable hydrophilic materials from polymers having pendent Michael donor groups The present invention provides crosslinkable compositions useful in the preparation of hydrophilic gels, and are prepared from polymers having pendent hydrophilic groups, and pendant Michael donor...
3	7307138	Polymer electrolytes and process for their preparation A sulfonated aromatic polyether ketone of the formula (II) [Ar—O—Ar′—CO—Ar′—O—Ar—CO—Ar� ��—CO—] ...
4	7307106	Photocurable Michael addition polymers A curable composition is described comprising a Michael donor component, a polyacryl component, and a monoacryl component, where at least one of the Michael donor or monoacryl components comprises...
5	7169825	Dual cure reaction products of self-photoinitiating multifunctional acrylates with thiols and synthetic methods Self-photoinitiating liquid oligomeric compositions are disclosed. The oligomeric compositions are formed from multifunctional mercaptans and Michael addition polyacrylate resins, synthesized from...
6	7030206	Polymer electrolyte and proton-conducting membrane To provide a sulfonic acid group-containing polymer having improved hot water resistance and radical resistance (durability), a solid polymer electrolyte including the polymer, and a...
7	6984713	Sulfonated polyetherketoneketone The invention relates to a sulfonated polyetherketonketone (sPEKK), which is amorphous and/or which can be obtained by sulfonating amorphous PEKK. This sPEKK can be preferably produced by using a...
8	6946540	Method of measuring extent of curing of compacted poly(arylene sulfide) Disclosed herein is a process for preparing cured arylene sulfide polymers. A first curing vessel comprising a first agitator is used to cure a poly(arylene sulfide) compacted powder. The curing...
9	6590067	Modification of polymers with basic N-groups and ion exchange groups in the lateral chain A method for lateral chain modification of aryl main chain polymers with aromatic ketones or aldehydes containing tertiary basic N-groups is described. The modification can be accomplished via...
10	6531568	Polyimide containing crosslinkable group and process for producing the same This invention provides crosslinkable-group-containing polyimides of various known thermoplastic polyimide backbone structures, which are provided with far better heat resistance, chemical...
11	6323301	High performance UV and heat crosslinked or chain extended polymers Disclosed is a composition comprising a polymer with a weight average molecular weight of from about 1,000 to about 100,000, said polymer containing at least some monomer repeat units with a first,...
12	6273543	Aqueous developable high performance curable polymers Disclosed is a composition which comprises a polymer containing at least some monomer repeat units with water-solubility- or water-dispersability-imparting substituents and at least some monomer...
13	6214488	Polymer electrolyte membrane and process for the production thereof In order to produce a polymer electrolyte membrane from sulfonated, aromatic polyether ketone, an aromatic polyether ketone of the formula (I) ##STR1## in which Ar is a phenylene ring having p-...
14	6203143	Hydroxyalkylated high performance curable polymers Disclosed is a composition which comprises (a) a polymer containing at least some monomer repeat units with photosensitivity-imparting substituents which enable crosslinking or chain extension of...
15	6201098	Process for preparing sulphurous polymers The invention concerns a process for preparing linear or branched sulphurous polymers such as polyarylene sulphides, in particular polyphenylene sulphide, from an aromatic dihalide compound and a...
16	6087414	Process for direct substitution of high performance polymers with unsaturated ester groups Disclosed is a process which comprises reacting a polymer of the general formula ##STR1## wherein x is an integer of 0 or 1, A is one of several specified groups, such as ##STR2## B is one of...
17	6031068	Polyimide composition and base tape for TAB carrier tape and flexible printed circuit board made from said composition The object of the present invention is to provide polyimide composition having such excellent property as low water absorption and low hygroscopic swelling, and a base tape for a TAB carrier tape...
18	5955564	1,5(8)-bis (substituted-N-propylamino)-4,8(5)-bis(arylthio)anthraquinone compounds This invention relates to new blue anthraquinone colorants having Formula I ##STR1## wherein R and R1 are the same or different and are selected from hydrogen and unsubstituted or substituted C1-C6...
19	5744575	Aromatic polyimide and gas separation An aromatic polyimide having a recurring unit of the formula (I): ##STR1## wherein Ar is a divalent aromatic group having one or two benzene rings which has a sulfonate group of --SO 3 H, --SO 3 ...
20	5741408	Polymer electrolyte membrane for use in fuel cells and electrolysis cells In order to produce a polymer electrolyte membrane from sulfonated, aromatic polyether ketone, an aromatic polyether ketone of the formula (I) ##STR1## in which Ar is a phenylene ring having p-...
21	5734005	Aromatic polymers Polyarylketones are made by electrophilic substitution using a dispersant for the polymer. The dispersant comprises a polymer having first pendent groups which are substantially compatible with the...
22	5637670	Polybenzimidazoles via aromatic nucleophilic displacement Novel molecular weight controlled and endcapped polybenzimidazoles (PBI) are prepared by the aromatic nucleophilic displacement reaction of di(hydroxyphenylbenzimidazole) monomers with activated...
23	5621067	Wholly aromatic polyamides with improved flame resistance Wholly aromatic polyamides and their shaped articles containing at least 85 mole percent of repeat units of m-phenylene isophthalamide: ##STR1## and repeat units of selected aromatic diamines and...
24	5554717	Synthesis of polyanilines and its co-polymers by melt condensation Synthesis of crystalline polyaniline, its derivatives and its co-polymers with other conjugated monomers by melt poly-condensation of bifunctional starting materials having a quinone and...
25	5530089	Polysulfoneimides Polysulfoneimide oligomers having crosslinking end cap moleties which provide improved solvent-resistance to cured composites are generally represented by backbones of the formula: ##STR1## wherein...
26	5516566	Cyclic oligomers for production of linear polyketones, polyphthalazines and polyisoquinolines Low molecular weight cyclic oligomers of formula (I) ##STR1## in which n is an integer of 2 to 20, and each C in the oligomer is a radical of formula (II): ##STR2## and each X in the oligomer is...
27	5484876	Production process for aromatic thioether ketone/thioether sulfone copolymers Disclosed herein are an aromatic thioether ketone/thioether sulfone random copolymer comprising phenylene thioether ketone recurring units (I) and phenylene thioether sulfone recurring units (II),...
28	5426172	Concentration or separation method, copolyamides copolyimide-amides and the use thereof Mixtures of salts of organic carboxylic acids and organic compounds of non-salt character, dissolved in a C 1 -C 4 alkanol, can be concentrated or separated with a semipermeable membrane made...
29	5424136	Polymers of 1,3 dioxolan-4-ones Useful materials are formed by polymerizing a 1,3 dioxolan-4-one monomer. The 1,3 dioxolan-4-one monomer can be copolymerized with a variety of comonomers, including glycolide, lactide, dioxanone,...
30	5378772	High-heat-resistant, crystalline block copolymers and production process thereof Disclosed herein are a poly(arylene thioether) block copolymer alternately comprising (A) at least one poly(arylene thioetherketoneketone) block having predominant recurring units of the formula...
31	5378770	Poly(arylene thioether-ketone-ketone) copolymer and production process thereof Disclosed herein is a poly(arylene thioether-ketone-ketone) copolymer comprising (A) at least one poly(arylene thioether-ketone-ketone) segment having predominant recurring units of the formula...
32	RE34820	Amideimide sizing for carbon fiber Sizing for carbon fibers with uncapped or capped linear polyamideimides. The uncapped linear polyamideimides useful as carbon fiber sizings generally contain repeating units having the general...
33	5332799	Solutions of polyimide-forming starting materials In solutions of polyimide-forming starting materials, containing diamines and tetracarboxylic diesters, at least 2 mol % of the ester groups in the tetracarboxylic diesters are derived from...
34	5328981	Recovery of poly(arylene sulfide ketone) and poly(arylene sulfide diketone) resins A poly(arylene sulfide ketone) or poly(arylene sulfide diketone) resin having improved handling characteristics is prepared by a process comprising preparing in a first enclosed vessel a slurry...
35	5328979	Thermoplastic copolyimides and composites therefrom Copolyimide compositions and methods for their preparation which are melt-processible at relative low pressures, i.e. less than 1000 psi, and are suited for laminating and molding, are described....
36	5322922	Copolyamide or copolyimide-amide containing sulfo groups Mixtures of salts of organic carboxylic acids and organic compounds of non-salt character, dissolved in a C 1 -C 4 alkanol, can be concentrated or separated with a semipermeable membrane made...
37	5321096	Polyimide composition A thermoplastic resin composition comprise 99.9.about.50 parts by weight of one or more thermoplastic resin selected from the group consisting of aromatic polyimide, aromatic polyetherimide,...
38	5312894	Granular high-melt-stable poly(arylene thioether-ketone) and production process thereof A granular, high-melt-stable poly(arylene thioetherketone) has a solution viscosity (η inh ) of at least 0.30 dl/g, a retention (400° C./20 min) of melt crystallization enthalpy (ΔHmc) of at...
39	5306789	Amorphous, soluble, aromatic polymers with high glass transition temperatures Amorphous polymers which are soluble in organic solvents and can thus be cast as films have high glass transition temperatures which make them suitable for numerous high temperature applications;...
40	5304626	Polyimide copolymers containing 3,3',4,4'-tetracarboxybiphenyl dianhydride (BPDA) moieties A chemical resistant copolymer useful in electronic applications, said copolymer is a polyimide containing a 3,3',4,4'-tetracarboxybiphenyl dianhydride (BPDA) moiety, at least one other dianhydride...
41	5286413	Mixtures of polar polymers and dedoped conductive polymers, processes for obtaining these mixtures and use of these mixtures to produce electronic, optoelectrical, electrical and electromechanical devices A polymer mixture, including at least one conductive polymer which has been dedoped to provide at least one dedoped conductive polymer; and at least one polar polymer. The polymer mixture has...
42	5266674	Process for preparing arylene sulfide copolymers An arylene sulfide copolymer and a process for preparing same by contacting a mixture of two structurally different dihaloromatic compounds, at least one organic amide, at least one...
43	5264538	Cyclic poly(aryl ether) oligomers Cyclic poly(aryl ether) oligomers and mixtures thereof, and methods for the preparation thereof in a highly dilute reaction medium under reaction conditions favorable for ring closure at low...
44	5264520	Polymerization of cyclic poly(aryl ether) oligomers This invention is a process for the preparation of poly(aryl ethers) from cyclic poly(aryl ether) oligomers. These low melt viscosity cyclic oligomers undergo ring opening and chain extension upon...
45	5264176	Production of biaxially-oriented film from aromatic sulfide/ketone polymers An aromatic sulfide/ketone polymer is prepared from a dihaloaromatic ketone, alkali metal sulfide, water and a polar organic compound. The polymerization reaction mixture is subjected to a heat...
46	5258440	Resin compositions of high heat resistance Disclosed herein is a resin composition of high heat resistance, comprising 100 parts by weight of at least one arylene thioether ketone polymer and 0.05-30 parts by weight of strontium carbonate.
47	5239049	Selected poly(dianhydrides) compounds, selected poly(amic acid) compounds, and selected poly(imide) compounds Poly(dianhydride) compounds having formulae (I) and (II): ##STR1## where m is 0 to 50. ##STR2## wherein n is 0 to 20 and X is bond junction, oxygen atom, sulfur atom, SO 2 , C(CF 3 ), CO, C(CH 3 )...
48	5237046	Process for stabilizing the molecular weight of linear or optionally branched polyarylene sulfides The invention relates to a process for stabilizing the molecular weight of high molecular weight, optionally branched polyarylene sulfides prepared by reaction of aromatic dihalogen compounds and,...
49	5233018	Perfluorinated polyimide, perfluorinated poly(amic acid), starting compounds therefor, and methods for preparing them A perfluorinated polyimide comprising a repeating unit represented by general formula (1): ##STR1## and a perfluorinated poly(amic acid) comprising a repeating unit represented by general formula...
50	5232630	Method of manufacturing conductive heterocyclic polymers by reacting new polymeric intermediate products with NH.sub.3, a NH.sub.3 producing substance, P.sub.2 S.sub.5 or Lawesson's reagent The polymers are prepared by using the new intermediate product which forms a polymeric precursor, and which is converted into the desired heterocyclic polymer by ring closure.

Matches 1 - 50 out of 304

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