U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."

Sir William Preece, chief engineer, British Post Office ; 1878

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 528/401 - FROM FLUORINE-CONTAINING REACTANT


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter under Class 520, ... involving polymers
No. of patents: 232
Last issue date: 04/10/2012


1            
NumberTitleIssue Date
8153756Fluorine-containing monomer, fluorine-containing polymer and surface treating agent
Disclosed is a fluorine-containing polymer having: (A) a repeating unit derived from a fluorine-containing monomer which is represented by the following formula: CH2═C(—X)—C(═O)—Y—[—(CH2)m—Z—]p...
04/10/2012
8067528Method for producing fluorine-containing polymer, aqueous dispersion of fluorine-containing polymer, 2-acyloxycarboxylic acid derivative, and surface active agent
The present invention provides a method of producing a fluoropolymer, wherein polymerization using a carboxylate ester bond-containing carboxylic acid derivative as a surfactant in an aqueous medium to give the fluoropolymer is conducted, the above carboxylate ester...
11/29/2011
7932348Fluorine-containing polymerizable monomer and polymer compound using same
Polymers made by polymerization or cyclization condensation of a fluorine-containing polymerizable monomer represented by the formula [1] wherein “a” represents an integer from 1 to 4. The monomer contains a plurality o...
04/26/2011
7910686Block copolymer and application thereof
The present invention relates to a block copolymer having at least one block having an acid group and at least one block having substantially no acid group, wherein one end group of a repeating unit in at least one block of all blocks is oxygen and/or sulfur, and at...
03/22/2011
7705113Process for preparing peroxidic perfluoropolyethers
A process for preparing peroxidic perfluoropolyethers having a perioxidic content (PO) lower than or equal to 1.2 of formula A-CF2O(CF2CF2O)m(CF2O)n—(CF2CF2OO)ml...
04/27/2010
7678881Transparent resin material
The present invention has an object to provide a transparent resin material having a low water absorption ratio without deteriorating various properties such as transparency which transparent resin has and also having a controllable refractive index. The present inv...
03/16/2010
7563861Aromatic ring-containing polymer
An aromatic ring-containing polymer is provided having excellent flexibility and surface water-repellency. The polymer containing an aromatic ring has a fluoroalkyl group having two or more carbon atoms as a side chain, which is optionally interrupted by divalent gr...
07/21/2009
7541426Fluorinated comb-shaped polymers
Fluorinated comb co-polymers have a main chain including a semi-rigid hydrophobic fluorinated poly(ether) backbone and comb segments in the form of flexible and monodisperse side chains that are more hydrophilic than the backbone. The side chains may be hydrophilic ...
06/02/2009
7531620Cross-linkable highly fluorinated poly(arylene ethers) for optical waveguide applications
The invention relates to compounds of formula I: x+y+z=1 and x=0 to 1, y=0 to 1, z=0 to 1 and R is CH3 or CF3 and R1 and R2 each represent H or a functio...
05/12/2009
7435498Polymer electrolyte membranes crosslinked by nitrile trimerization
A method is provided for making a crosslinked polymer electrolyte, typically in the form of a membrane for use as a polymer electrolyte membrane in an electrolytic cell such as a fuel cell, by trimerization of nitrile groups contained on groups pendant from the poly...
10/14/2008
7432340Fluorinated alkyl substituted-thieno[3,4-]thiophene monomers and polymers therefrom
Partially and fully fluorinated alkyl substituted thienothiophene monomers (and polymers thereof) wherein the monomers are represented by the formula: wherein R is a partially or fully fluorinated primary, seco...
10/07/2008
7408019Fluorinated ether compound
A novel fluorinated ether compound useful as an inert medium is provided. The compound is represented by the following formula (1) such as the compound represented by the following formula (1a) or the compound represented by the following formula (1b):
08/05/2008
7396895Branched polyarylene ethers and processes for the preparation thereof
Disclosed is a process for preparing branched polyarylene ether polymers by (A) providing a reaction mixture comprising (i) a polyfunctional phenol compound of the formula Ar(OH)x wherein x≧3 and wherein Ar is an aryl moiety or an alkylaryl moiety, prov...
07/08/2008
7368068Sulfonic group-containing polyarylene block copolymer, process for production thereof, solid polymer electrolyte and proton conductive membrane
The present invention provides a sulfonic group-containing polyarylene block copolymer superior to the perfluoroalkylsulfonic acid polymers in cost, conductive properties and proccessability, a process for producing the copolymer, a solid polymer electrolyte and a p...
05/06/2008
7358320Fluorinated reactive compositions for golf balls
A golf ball is disclosued, comprising: a core, the core having a diameter of 1.5 inches to 1.65 inches and a first coefficient of restitution of 0.8 or greater at 125 ft/s; an intermediate layer disposed about the core, the intermediate layer having a first Shore D ...
04/15/2008
7335347Methods for purifying radiolabelled compounds
One aspect of the present invention relates to a method of purifying radiolabelled compounds comprising a) loading onto a fluorous polymer a radiolabelled compound precursor comprising a fluoroalkyl tin moiety; b) reacting the radiolabelled compound precursor with a...
02/26/2008
7327925Photosensitive acrylate composition and waveguide device
A photosensitive composition suitable for practical waveguide devices is provided. The photosensitive composition comprises at least one multifunctional acrylate prepared from a fluorinated multifunctional alcohol and at least one photoinitiator. The said compositio...
02/05/2008
7320829Fluorinated polymer and amine resin compositions and products formed therefrom
A reactive fluorinated polymer having polyester and polyether segments is mixed with a reactive melamine resin to form a coating composition. The polyether segment can include monomeric units from an oxetane monomer having pendant fluorine groups that are linked to ...
01/22/2008
7288619Fluorinated polyether polyamine and method of making the same
A composition comprises a condensation product of an amine-reactive fluorinated polyether and a polyamine. The compositions may be in dispersed in water. ...
10/30/2007
7268927Tunable optical filter array and method of use
According to an exemplary embodiment of the present invention, an optical apparatus includes an optical filter array which comprises a plurality of optical filter elements, wherein at least one of the optical filter elements is adapted for tuning to two or more wave...
09/11/2007
7259229Electroactive fluorene polymers having perfluoralkyl groups, process for preparing such polymers and devices made with such polymers
The present invention is generally directed to perfluoroalkylated fluorene polymers. It further relates to a process for preparing the polymers and devices that are made with the polymers. ...
08/21/2007
7239785Method of preventing optical fiber failure in high power application
A method of minimizing localized heating of, or minimizing signal losses across a source of loss in, an optical fiber used in transmission of a high power optical signal at an operating wavelength. These methods include the steps of: providing an optical fiber which...
07/03/2007
7232593Aligned emissive polymer blend, film and device based thereon
The invention relates to aligned emissive polymer blended with at least one chromophore with rigid-rod-type or discotic asymmetric molecular structure; to film incorporating such polymer blends; to devices incorporating such polymers blends or films, and to uses the...
06/19/2007
7230140Perfluoropolyether derivative
A novel perfluoropolyether derivative which is less likely to undergo decomposition, which is free from a problem of deterioration during its use, and which is useful as a lubricating oil or a coating agent, is provided. A compound represented by the followin...
06/12/2007
7217781Polyphosphazenes including ionic or ionizable moieties and fluorine-containing moieties
A polyphosphate polymer which includes both (i) ionic or ionizable moieties; and (ii) fluorine-containing moieties. Such polymers may be used as matrices for pharmaceuticals, as multilayer coatings for fuel cell membranes, as dopant for electrically conductive polym...
05/15/2007
7214833Process for preparing perfluoropolyethers
A process to obtain perfluoropolyethers comprising: a) synthesis of peroxidic perfluoropolyethers by one of the following reactions: al) TFE photooxidation, in solvents selected between perfluorocarbons and (mono)h...
05/08/2007
7205431Bis(3-alkoxyalkan-2-ol) sulfides, sulfones, and sulfoxides: new surface active agents
Compositions containing surfactant compounds according to formula (I) ROCH2CH(OH)CR1R2ZCR1R2CH(OH)CH2OR,  (I) wherein Z is S, SO, or SO2, can have a range of equilib...
04/17/2007
7193119Process for producing fluorinated alkyl ether
To provide a process for producing a fluorinated alkyl ether, whereby a sufficient reaction rate can be attained even under mild reaction conditions, and a post-process such as distillation after the reaction can be efficiently carried out. A process for prod...
03/20/2007
7183365Electroactive fluorene polymers having perfluoroalkyl groups, process for preparing such polymers and devices made with such polymers
The present invention is generally directed to perfluoroalkylated fluorene polymers. It further relates to a process for preparing the polymers and devices that are made with the polymers. ...
02/27/2007
7179551Poly(arylene ether) data storage media
A storage media comprises: a substrate comprising a plastic resin portion, wherein to plastic resin portion comprises poly(arylene ether) and a styrene material selected from the group consisting of polystyrene, styrenic copolymer(s), and reaction products and combi...
02/20/2007
7138483Monomers, conjugated polymers and electronic devices using such polymers
The energy levels (HOMO, LUMO) of the conjugated polymer are tuned independently, so that an energy match on both sides of the device can be accomplished while keeping the emission color in the blue region. Such polymers can be formed by polymerization of a mixture ...
11/21/2006
7138550Bridged carbocyclic compounds and methods of making and using same
Disclosed herein is a fluorinated bridged carbocyclic compound that can be polymerized by itself or with at least one other ethylenically unsaturated monomer to provide a polymer. The polymer may be used, for example, within a sub-300 nm photoresist composition. Als...
11/21/2006
7115430Light emitting layers for LED devices based on high Tg polymer matrix compositions
A light emitting device includes: (a) a light emitting layer including an electroluminescent organic material dispersed in a matrix, wherein the matrix contains a non-electroluminescent organic polymer having a Tg of at least 170° C., and each of the org...
10/03/2006
7094471Coating composition comprising a fluorochemical polyether silane partial condensate and use thereof
A composition comprising at least one fluorochemical polyether silane compound having a polyfluoropolyether segment and at least two hydrolysable silane groups per molecule, one or more non-fluorinated compounds having at least two hydrolysable groups per molecule, ...
08/22/2006
7087290Data storage media utilizing a substrate including a plastic resin layer, and method thereof
In one embodiment, a data storage media comprises: a substrate comprising at least one plastic portion, an edge lift height of less than about 8μ, and an axial displacement peak of less than about 500μ under shock or vibration excitation; and at least one data lay...
08/08/2006
7078445Photosensitive acrylate composition and waveguide device
A photosensitive composition suitable for practical waveguide devices is provided. The photosensitive composition comprises at least one multifunctional acrylate prepared from a fluorinated multifunctional alcohol and at least one photoinitiator. The said compositio...
07/18/2006
7074885Electroactive fluorene copolymers and devices made with such polymers
The present invention is generally directed to copolymers of fluorene. It further relates to devices that are made with the copolymers. ...
07/11/2006
7074886Electroactive fluorene polymers having perfluoroalkyl groups, process for preparing such polymers and devices made with such polymers
The present invention is generally directed to perfluoroalkylated fluorene polymers. It further relates to a process for preparing the polymers and devices that are made with the polymers. ...
07/11/2006
7060783Diamine compound polymer having condensed aromatic group
The present invention provides a diamine compound polymer and a method for producing the diamine compound polymer. The diamine compound polymer of the present invention has a condensed aromatic group represented by the following formulae (1-1) and (1-2).
06/13/2006
7055938Liquid jet recording head and process for production thereof
A liquid jet recording head comprises a constituting member formed from a cured product of a resin composition comprising (1) a curable epoxy compound, (2) a compound having a functional group reactive to the curable epoxy compound and a fluorocarbon moiety, and (3)...
06/06/2006
1            
 
Sign InRegister
Username  
Password   
forgot password?