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Class 204/503 - And shading or coloring agent


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Process in which the bath used for coating also contains
No. of patents: 59
Last issue date: 03/06/2007


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NumberTitleIssue Date
7185418Stacked stator core and method of manufacturing thereof, and rotary motor and method of manufacturing thereof
The present invention relates to a structure of a stacked stator core formed when rotary motors are manufactured and to a method of manufacturing the stacked stator core. It is possible to improve the workability in the winding process and the productivity of the st...
03/06/2007
7077941Multi-layer electrodeposition coating film-forming method and coating product formed by the same
A multi-layer electrodeposition coating film-forming method which comprises subjecting a cationic electrodeposition coating composition containing at least two emulsions to an electrodeposition coating, said cationic electrodeposition coating composition being such ...
07/18/2006
5667894Cathodic electrocoating compositions containing methane sulfonic acid as a neutralizing agent
An improved aqueous cathodic electrocoating composition having a binder of an epoxy-amine adduct which is of an epoxy resin that has been reacted with an amine, and a blocked polyisocyanate crosslinking agent; wherein the improvement is the use of an alka...
09/16/1997
5639361Binder system for electrodeposition coating
Binder systems suitable for electrodeposition coating and based on basic, thermally crosslinkable epoxy or polyurethane resins as binders (B), containing from 0.001 to 1% by weight of a polymer (I) whose predominant components are ethyl acrylate and/or n-...
06/17/1997
5539026Composition for improved cathodic deposition
An aqueous solution or dispersion of a vehicle for an aqueous cataphoretic coating material, the solution or dispersion containing one or more acid-neutralized, basic, film forming resins, an organic solvent, and a cross linking agent for the film forming...
07/23/1996
5527614Pigment dispersants with primary amine functionality suitable for use in cathodic electrocoat compositions
A compound that is useful as a dispersant for pigments in waterborne coating compositions, particularly in cathodic electrocoat compositions, is described. The compound comprises an acrylic backbone having a pigment-interactive substituent and a stabilizi...
06/18/1996
5510400Cationic electrodeposition coating composition
The present invention provides a cationic electrodeposition coating composition which satisfies both stability of paint with time and corrosion resistance when baked at low-temperature. A cationic electrodeposition coating composition comprises: (A) a cat...
04/23/1996
5451306Method of forming film on electronic part metal surface having burrs
The present invention relates to a film forming method, in which a specified electrodeposition paint composed of at least an emulsion, a gel fine particle dispersion, and a pigment paste is applied by an electrodeposition coating method to an electronic p...
09/19/1995
5401782Cationic pigment grinding resin for electrodeposition paint and production thereof
Disclosed is a cationic resin which can produce a pigment paste having high dispersion stability, an electrodeposition paint with good storage stability and a coated film with preferred corrosion resistance. The cationic pigment grinding resin for electro...
03/28/1995
5369151Resin composition for aqueous paints
A resin composition for an aqueous coating composition contains as a main component a cationic resin (U) having a primary hydroxyl group, obtained by reacting (A) a phenol-novolak epoxy resin, (B) a primary or secondary amine compound having a primary hyd...
11/29/1994
5356959Epoxy resins for ternary sulfonium electrocoating compositions
Epoxy resins obtainable by reacting A) a polyfunctional epoxide, which carries on average 1.5 to 2.5 epoxy groups per molecule and has an epoxide equivalent weight of from 100 to 2000, with based on 1 mol of epoxy groups B) from 0.1 to 0.5 mol of an alkylpheno...
10/18/1994
5324756Pigment dispersant for cathodic electrocoating compositions
A pigment dispersant that is useful in a cathodic electrocoating composition is prepared by bringing into contact the following compounds: a cyclic alkylene urea amine, a polyepoxide and a dialkanol amine; this pigment dispersant has an advantage of allow...
06/28/1994
5314594Cathodic electrodeposition coatings having an additive for improved throwing power
An improved aqueous electrocoating composition having a binder of an epoxy-amine adduct and a blocked polyisocyanate crosslinking agent; wherein the improvement is the use of an effective amount of an additive of an alkyl thioester or a polymeric product ...
05/24/1994
5281316Cathodic electrodeposition coatings having improved throwing power
An improved aqueous electrocoating composition having a binder of an epoxy-amine adduct and a blocked polyisocyanate crosslinking agent; wherein the improvement is the use of an effective amount of a blend of a zinc containing compound and a lead pigment ...
01/25/1994
5258459Resin composition for coating and electrodeposition coating composition containing the same
Disclosed are a resin composition (D) for coating obtained by reacting (A) an epoxy resin, (B) a butadiene-acrylonitrile copolymer having carboxyl groups or amino groups at both terminals of the molecule and (C) a bifunctional mononuclear phenolic compoun...
11/02/1993
5206274Aqueous dispersion of cationic advanced diglycidyl ether blend
A method for preparing an advanced epoxy cationic resin from an epoxy-based resin containing oxirane groups by converting at least some of the oxirane groups to cationic groups is improved by using as the epoxy-based resin a blend of (I) an epoxy-based re...
04/27/1993
5185074Process for producing color filter
A process for producing color filters, which comprises dispersing or dissolving pigments and the like having spectral properties in three primary colors, and a structure reinforcing resin in an aqueous medium, in the presence of a surfactant comprising a ...
02/09/1993
5185065Low temperature coring cathodic electrocoating composition
An electrocoating composition containing an epoxy amine adduct which is the reaction product of a polyepoxide resin and an amine, an acrylic amine resin and a blocked polyisocyanate crosslinking agent; wherein the composition is prepared by blending a first em...
02/09/1993
5169882Amine resin from epoxy/diol copolymer-block copolymer resin
The present invention provides a resin which is a mixture of a) the product of a diol and one or more diepoxides and b) an A-B-A block copolymer wherein A represents blocks of an epoxy/diol copolymer which is the reaction product of a diol and a diepoxide...
12/08/1992
5145568Nonaqueous cathodic electrocoat pigment paste
An electrodepositable cationic electrocoating bath containing a nonaqueous pigment paste containing organic solvent. The use of an organic solvent in the place of an aqueous solvent minimizes or eliminates foaming in the process of making the pigment past...
09/08/1992
5130004Pigment grinding vehicles containing quaternary ammonium and ternary sulfonium groups
A pigment paste suitable for use in cationic electrodeposition is disclosed. The pigment paste comprises a cationic resinous grinding vehicle derived from an epoxy resin containing both quaternary ammonium and ternary sulfonium salt groups. Also disclosed...
07/14/1992
5095051Amide diol extended cathodic electrodeposition resins
An improved electrodepositable cationic resin is disclosed. Prior art electrodepositable cationic resins are formed from polyepoxides which are chain extended with polyether or polyester polyols to internally flexibilize the resin. Our polyepoxide resin i...
03/10/1992
5089101Cationic electrodeposition coating composition
A cationic electrodeposition coating composition comprising [A] a neutralization product or a quaternary ammonium salt of a comb-shaped copolymer obtained by copolymerizing (a) 3 to 90 parts by weight of an ethylenically unsaturated monomer having a hydrocarbo...
02/18/1992
5074978Hydroxy terminated polyester additive in cathodic electrocoat compositions
What is disclosed are electrodepositable cationic baths containing low molecular weight hydroxyl terminated polyester adhesion promotion additives. These low molecular weight hydroxyl terminated polyesters have been found to improve chip resistance, adhes...
12/24/1991
5055168Binder for cathodic electrocoating
Binders for cathodic electrocoating which are water-dilutable on protonation with acids contain (A) from 50 to 95% by weight of a polymerization, polycondensation or polyaddition product having an average molecular weight of from 200 to 20,000, primary an...
10/08/1991
5051160Polymeric reaction product that becomes water-thinnable on protonation with an acid
Polymeric reaction products which become water-thinnable on protonation with an acid and are suitable for use in the form of aqueous dispersions as additives in electrocoating baths are formed from A. a butadiene/acrylonitrile copolymer which contains primary ...
09/24/1991
5049249Low cure cathodic electrodeposition coatings
A low temperature cure electrodepositable cathodic resin is disclosed. The resin is the reaction product of a polyepoxide amine adduct and a novel blocked crosslinking agent. The crosslinking agent of our invention is tetramethylxylene diisocyanate blocke...
09/17/1991
5035785Nonionic surfactant as a pigment dispersant and film build additive
Disclosed herein are electrodepositable cationic baths containing nonionic pigment dispersants. These nonionic pigment dispersants are ethoxylated styrenated phenols which allow for increased production capacity and lower VOC. The ethoxylated styrenated p...
07/30/1991
5021470Flexible aryl alkyl epoxy resins, their amine resin derivatives and their use in electrodeposition coatings
A series of oligomeric adducts of diols and diepoxides are disclosed which are precursors of amine resins for use in electrodeposition coatings. The adducts are epoxide-alcohol addition products of a polyaromatic and/or a mono-aromatic diol and a polyarom...
06/04/1991
4988420Electrophorectically overcaotable coatings applied by electrocoating
The invention relates to a cathodically depositable aqueous electropaints which contain cationic amine-modified epoxy resins and are pigmented, with electroconductive carbon black and which, on deposition and crosslinking, provide electrophoroetically ove...
01/29/1991
4977202Cationic, advanced epoxy resin compositions from (1) diglycidyl ethers of phenols (2) diglycidyl ethers of alkane diols and (3) dihydric phenols
A method for preparing an advanced epoxy cationic resin from an epoxy-based resin containing oxirane groups by converting at least some of the oxirane groups to cationic groups, wherein the improvement is using as the epoxy-based resin an advanced epoxy r...
12/11/1990
4976833Electrodeposition coatings containing blocked tetramethylxylene diisocyanate crosslinker
An electrodepositable cathodic resin is disclosed. The resin is the reaction product of a polyepoxide amine adduct and a crosslinking agent which is polyol modified tetramethylxylylene diisocyanate blocked with alcohol or caprolactam. The resulting resin ...
12/11/1990
4946569Controlled film build epoxy coatings applied by cathodic electrodeposition
A method for preparing an advanced epoxy cationic resin from an epoxy-based resin containing oxirane groups by converting at least some of the oxirane groups to cationic groups, wherein the improvement is using as the epoxy-based resin a blend of (I) an e...
08/07/1990
4900415Low cure cathodic electrodeposition coatings
A low temperature cure electrodepositable cathodic resin is disclosed. The resin is the reaction product of a polyepoxide amine adduct and a novel blocked crosslinking agent. The crosslinking agent of our invention is tetramethylxylene diisocyanate blocke...
02/13/1990
4883572Controlled film build epoxy coatings applied by cathodic electrodeposition
A method for preparing an advanced epoxy cationic resin from an epoxy-based resin containing oxirane groups by converting at least some of the oxirane groups to cationic groups is improved by using as the epoxy-based resin a blend of (I) an epoxy-based re...
11/28/1989
4867854Controlled film build epoxy coatings applied by cathodic electrodeposition
An improvement is described for a process for the preparation of an epoxy cationic resin from an epoxy resin composition having terminal oxirane groups which includes the step of converting oxirane groups to cationic groups by reacting a nucleophile with ...
09/19/1989
4865704Non-autocrosslinking binder combination for water-dilutable lacquers
A non-autocrosslinking binder composition for water-dilutable lacquers containing 1 to 99% by weight of a hydroxyl group-containing and amino group-containing epoxide resin and 99 to 1% by weight of an amino groupcontaining synthetic resin binder prepared...
09/12/1989
4863575Cationic, advanced epoxy resin compositions incorporating glycidyl ethers of oxyalkylated aromatic or cycloalkphatic diols
An advanced epoxy cationic resin having a charge density of from 0.2 to 0.6 milliequivalent of cationic charge per gram of resin is prepared by reacting in the presence of a suitable catalyst (A) a composition comprising (1) at least one diglycidyl ether ...
09/05/1989
4781808Aqueous cathodic electrocoating material and a process for coating an electrically conductive substrate
The invention relates to an aqueous cathodic electrocoating material which contains a synthetic resin binder containing amino and/or hydroxyl groups and capable of being rendered water-soluble by the addition of an acid. The synthetic resin binder contain...
11/01/1988
4699937Synthetic resin carrying basic nitrogen groups, its preparation, coating materials produced using this resin, and cathodic electrocoating
A synthetic resin carrying basic nitrogen groups, its preparation, coating materials prepared from this resin, and a process for cathodic electrocoating. This synthetic resin is obtained by reacting (A) an epoxy resin which (B) a diketimine of a diprimary amin...
10/13/1987
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