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7504438 |
Demulsifiers, their preparation and use in oil bearing formations
The invention comprises a polymeric demulsifier, methods of producing the demulsifier and methods of using the demulsifier. The demulsifier is the reaction product of at least one amine-containing...
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7425594 |
Copolymer of glycidyl ester and/or ether with polyol
A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein...
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7405265 |
Method of preparing catalyst for polymerization of aliphatic polycarbonate and method of polymerizing aliphatic polycarbonate
Disclosed is a method of preparing a catalyst for polymerization of aliphatic polycarbonates and a method of polymerizing an aliphatic polycarbonate. This method includes reacting a zinc precursor...
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7388068 |
Copolymers made of alkylene oxides and glycidyl ethers and use thereof as polymerizable emulsifiers
Disclosed are copolymers made of alkylene oxides and glycidyl ethers according to formula (I)
in which R 1 is hydrogen or a C 1 -C 4 -alkyl radical, R 2 and R 4 are an alkyl or aryl radical...
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7361728 |
Electrically conducting materials from branched end-capping intermediates
The present invention relates to a class of conducting oligomers and polymers and to a method for the preparation of the same. The conducting oligomers and polymers contain an end-capping group,...
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7323528 |
Block copolymers containing functional groups
The present invention provides a block copolymer of styrene and an unsaturated cyclic anhydride, such as maleic anhydride, a process for making a copolymer using controlled free radical...
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7309754 |
Stable encapsulant fluid capable of undergoing reversible Diels-Alder polymerization
An encapsulant fluid is provided comprising a mixture of a diene-containing compound and a dienophilic compound. At least one of the diene-containing and the dienophilic compounds is protected so...
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7273909 |
Polyethylene glycol aldehydes
Polyethylene glycol aldehyde compounds are provided. Methods of making and using such compounds, as well as chemical intermediates are also provided.
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7268204 |
Complex of a multimetal cyanide compound and methods of forming polyethercarbonate polyols
A method of forming a polyethercarbonate polyol enhances incorporation of CO 2 into the polyethercarbonate polyol. The method provides a catalyst including a multimetal cyanide compound. The...
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7262266 |
Copolymerization of polybenzazoles and other aromatic polymers with carbon nanotubes
The present invention is generally directed to the block copolymerization of rigid rod polymers with carbon nanotubes (CNTs), the CNTs generally being shortened, to form nanotube block copolymers....
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7259229 |
Electroactive 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.
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7217783 |
Oxytetramethylene glycol copolymer and process for producing the same
An oxytetramethylene glycol copolymer obtained by copolymerizing tetrahydrofuran and neopentyl glycol which has a specific number average molecular weight Mn, a specific molecular weight...
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7217769 |
Medical device with plasma cross-linked hydrophilic coating
A medical device with a hydrophilic and lubricious coating, wherein the coating includes a hydrophilic polymeric unit layer deposited on the medical device and cross-linked with a plasma deposited...
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7148318 |
Method for producing polytetrahydrofurane having a low color indices
The invention provides a process for preparing polytetrahydrofuran, tetrahydrofuran copolymers, their monoesters or diesters and the monoesters or diesters of polytetrahydrofuran having a low color...
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7141643 |
Alkylene oxide-lactone copolymers
A block copolymer is disclosed, which comprises a first block comprising polymerized units of an alkylene oxide and a second block comprising polymerized units of an alkylene oxide and a lactone,...
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7129283 |
Binders containing an epoxy resin, an ester of a fatty acid, and a fluorinated acid
This invention relates to foundry binder systems, which cure in the presence of sulfur dioxide and an oxidizing agent, comprising (a) an epoxy resin; (b) an ester of a fatty acid; (c) a fluorinated...
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7125952 |
(Partially) conjugated polymer process for its preparation and use in electroluminescent devices
A polymer for use in an optical device comprising one or more regions, where each region comprises (i) a first structural unit having general formula I:
where m=1 or 2 and which contains at...
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7115706 |
Polyether polymers and compositions derived therefrom
Polyether polymers providing a backbone substituted at intervals with electron stabilizing groups containing electron withdrawing groups are described. The polymers capture electrons and are...
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7097883 |
Low temperature liquid polythioether polymers
Polythioether polymers, curable compositions of polythioether polymers, the process of making polythioether polymers, and the use of polythioether polymers in sealants, wherein the polythioether...
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7056988 |
Polymer compound, process for producing the same, molded article and process for producing the same
A polymer compound contains a cyclic structure represented by the following general formula (1):
wherein each of X and Y represent an alkylene group or the like, where X and Y may be the same...
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7056978 |
Toughened epoxy-anhydride no-flow underfill encapsulant
A curable underfill encapsulant composition which is especially useful in the no-flow underfill encapsulation process. The composition contains an epoxy resin, a fluxing agent, a linear...
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7037399 |
Underfill encapsulant for wafer packaging and method for its application
A curable underfill encapsulant composition that is applied directly onto semiconductor wafers before the wafers are diced into individual chips. The composition comprises a thermally curable epoxy...
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7019107 |
Method for the production of poly(3-hydroxyalkanoates) in the presence of a nucleophile
The invention relates to a catalytical process for preparing poly(3-hydroxyalkanoates) by copolymerizing an oxirane compound with carbon monoxide in the presence of
a) at least one single-...
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7009033 |
Heterofunctional polyethylene glycol and polyethylene oxide, process for their manufacture
Heterofunctional polyethylene glycol or polyethylene oxide, represented by one of the following formula (I) to (IV):
wherein:
m is an integer from 5 to 10,000; n is an integer from 1 to...
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6987201 |
Acetic anhydride, method of purifying crude acetic anhydride, and method of producing polyoxytetramethylene glycol using acetic anhydride
The present invention provides acetic anhydride, a method of purifying crude acetic anhydride, and a method of producing polyoxytetramethylene glycol using acetic anhydride. A method of producing...
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6979719 |
Coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group
The invention pertains to a coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group. The invention also comprises a...
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6977236 |
Preparation of a double metal cyanide catalyst
The present invention relates to a process for the preparation of a double metal cyanide (DMC) catalyst, which process involves:
(a) combining an aqueous solution of metal salt with an...
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6906156 |
Accelerators for cationic polymerization catalyzed by iron-based catalyst
Accelerators that can be useful for an energy polymerizable composition comprising a cationically curable material; energy polymerizable compositions comprising at least one cationically curable...
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6903180 |
Epoxy resins, process for preparation thereof, epoxy resin compositions and cured articles
This invention relates to novel epoxy resins and epoxy resin compositions comprising said epoxy resins or cured articles thereof. The cured articles have excellent properties in respect to flame...
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6894091 |
Semiconductor encapsulating epoxy resin composition and semiconductor device
A semiconductor encapsulating epoxy resin composition comprising (A) an epoxy resin, (B) a phenolic resin curing agent, (C) a molybdenum compound, and (D) 300-900 parts by weight per 100 parts by...
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6844287 |
Supported catalysts for the fixation of carbon dioxide into aliphatic polycarbonates and a process for preparing the same
The present invention provides a process for preparing supported zinc dicarboxylate catalysts with high activity for the copolymerization of carbon dioxide and epoxides by supporting zinc...
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6815529 |
Catalyst for producing aliphatic polycarbonate and the preparation thereof
This invention relates to a catalyst for producing aliphatic polycarbonate, which is composed of a rare-earth coordination compound; an alkyl metal compound; a polyol; and a carbonate. The...
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6765069 |
Plasma cross-linked hydrophilic coating
A method for making a hydrophilic and lubricious coating, the coating so made and a medical device including such coating, wherein the coating includes a hydrophilic polymeric unit layer...
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6762278 |
Process for the copolymerization of alkylene oxides and carbon dioxide using suspensions of multi-metal cyanide compounds
A method of forming a polyethercarbonate polyol using a multimetal cyanide compound is disclosed. The method includes providing a multimetal cyanide compound having a crystalline structure and a...
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6677426 |
Modified epoxy resin composition, production process for the same and solvent-free coating comprising the same
There is provided a modified epoxy resin composition including a reaction product of an epoxy resin and an alkyl-substituted acetoacetate and a reaction product of an alcohol having at least one...
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6664364 |
Selenium-containing transparent optical material
There are herein disclosed a transparent optical material containing at least one selenium atom, a plastic lens comprising the transparent optical material, and methods for preparing them. In...
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6649733 |
Polymeric thickeners for aqueous compositions
Latexes are thickened by compounds of the formula: R 1 —(O—A) a —B 1 —R 2 —(B 2 —R 3 ) d —(B 3 —(A′—O) b-f —(A′—B 4 ) f —R 4 —(B 5 —R 5 ) e ) n —B 6 —(A″O)...
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6642344 |
Curing agents for epoxy-based polymers
A method for making flexible epoxy resins by curing an epoxide and a bis-phenol with an aliphatic secondary diamine having the structural formula (I) or (II): where R 1 and R 2 are each...
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6624286 |
Double-metal cyanide catalysts containing polyester for preparing polyether polyols
The invention relates to new improved double-metal cyanide (DMC) catalysts for the preparation of polyether-polyols by polyaddition of alkylene oxides on to starter compounds containing active...
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6613449 |
Underfill material for COF mounting and electronic components
A solventless non-filler underfill material for COF mounting comprising an organic material, which is used to fill the gap between an FPC having a polyimide film substrate and a copper circuit...
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6528616 |
Double metal cyanide catalysts for the production of polyther polyols
The invention relates to new double metal cyanide (DMC) catalysts for the production of polyether polyols by polyaddition of alkylene oxides to starter compounds containing active hydrogen atoms,...
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6512026 |
Powder clear varnish and aqueous powder clear varnish slurry
Novel powder clearcoat materials and novel powder clearcoat slurries comprising a) at least one epoxide-containing binder containing from 0.5 to 40% by weight, based on the binder, of copolymerized...
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6506821 |
Self-dispersible hardenable epoxide resins
A self-dispersible curable epoxy resin composition containing a reaction product of: (a) 1.0 equivalent of epoxy resin; (b) 0.01 to 1.0 equivalent of polyhydric phenol; and (c) 0.005 to 0.5...
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6500912 |
Epoxy resin system
A curable epoxy composition comprises an epoxy resin having at least 1.5 epoxy groups per molecule and an amine-terminated polyamide. The liquid amine-terminated polyamide is prepared by reacting a...
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6495637 |
Water-compatible urethane-containing amine hardener
A formulation to produce urethane linkages reacts cyclocarbonate groups with diamines. Aliphatic polyhydroxyl precursor molecules are first epoxidized. The invention does not require complete...
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6492449 |
Polymers obtained from monomers allowing a sequential polymerization, and their use for preparing ionic conductors
The present invention concerns polymers obtained by anionic initiation and bearing functions that can be activated by cationic initiations that are not reactive in the presence of anionic...
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6465606 |
Polyether monoamine with 36-44 EO units and 1-6 PO units
A polyether monoamine containing from about 36 to about 44 ethylene oxide units and from about 1 to about 6 propylene oxide units is useful as a reactant with functionalized polypropylene such as...
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6465582 |
Polyoxazoline compounds and their use in surface coating compositions
Polyoxazoline compounds useful as crosslinkers in liquid or powder surface coating compositions which contain at lest four, for example six, oxazoline or substituted oxazoline functional groups...
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6458918 |
Method for producing partially crystalline polyether polyols
The present invention relates to a process for the preparation of novel, partially crystalline polyether polyols with a functionality of ≧2, an average molecular weight M n of 500 to 100,000 and...
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6455711 |
Method for producing polytetrahydrofuran
A process for preparing polytetrahydrofuran, polytetrahydrofuran copolymers or diesters or monoesters of these polymers comprises polymerizing tetrahydrofuran in the presence of at least one...
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