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| Number | Title | Issue Date |
| 5183836 | Composite paint A composite paint for an automotive outer panel comprises an electrodeposition paint film coated on the surface of a steel sheet. The electrodeposition paint film has a minimum melt viscosity not less than 0.2 during hardening and consists essentially of ... | 02/02/1993 |
| 5169882 | Amine 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 |
| 5157060 | Coating composition According to this invention we provide an aqueous coating composition, suitable for application to a cathodic substrate by electrodeposition, which comprises a dispersion in an aqueous medium in the presence of an amine-ionizing acid of cationically stabi... | 10/20/1992 |
| 5114552 | Compositions comprising ionic resins and capped polyisocyanate mixtures containing a diphenyl-2,4'-diisocyanate and a diphenyl-4,4'-diisocyanate Curable electrocoating compositions and the use of these compositions in a method of electrodeposition are disclosed. The electrocoating compositions comprise an aqueous dispersion of an active hydrogen-containing ionic resin and a capped polyisocyanate i... | 05/19/1992 |
| 5108575 | Polyamine enamine containing cationic resin Disclosed herein is a cathodic electrodepositable resin containing polyamine enamine. It has been discovered that reacting epoxy resins with polyamine enamine is a viable method of introducing amine functionality to the epoxy resin. The polyamine enamine ... | 04/28/1992 |
| 5089100 | Method of incorporating polyamine into a cationic resin Disclosed herein is a method of incorporating amine functionality onto a polyepoxy resin to be used for cathodic electrocoat. This method has the following steps: a) reacting an epoxy resin with an amount of secondary amine so that unreacted epoxy functio... | 02/18/1992 |
| 5075165 | Composite paint film A composite paint film formed on a steel sheet of an automotive vehicle body. The composite paint film comprises an electrodeposition paint film (I) coated on the steel sheet, and an intermediate coat paint film (II) coated on the first paint film. The el... | 12/24/1991 |
| 5074979 | Cationic resin containing blocked isocyanate groups suitable for use in electrodeposition A cationic resin containing blocked isocyanate groups which is suitable for use in electrodeposition is disclosed. The cationic resin is derived from an epoxy resin and contains in the resin molecule cationic salt groups, active hydrogen groups and blocke... | 12/24/1991 |
| 5074978 | Hydroxy 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 |
| 5035785 | Nonionic 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 |
| 4981759 | Coating method A coating method, which comprises (i) applying to a substrate a multilayer film-forming cationic electrodeposition paint composed of (A) a cationic electrodepositable epoxy resin having a surface tension of 40 to 60 dynes/cm and being able to form a cathodical... | 01/01/1991 |
| 4977202 | Cationic, 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 |
| 4933056 | Cationic electrodepositable compositions through the use of sulfamic acid and derivatives thereof A cationic electrodepositable composition containing a resinous phase dispersed in an aqueous medium is disclosed. The resinous phase has basic nitrogen groups which are at least partially neutralized with sulfamic acid or a derivative thereof, that is, a... | 06/12/1990 |
| 4931157 | Epoxy resin advancement using urethane polyols and method for use thereof An ungelled reaction product of a polyepoxide and an active hydrogen-containing material containing at least two active hydrogens per molecule is disclosed. The active hydrogen-containing material being a hydroxyalkyl-substituted urethane in which the hyd... | 06/05/1990 |
| 4916019 | Cationic electrodeposition coating composition for multilayer film formation A cationic electrodeposition coating composition for forming a multilayer film, said composition comprising (A) an epoxy-type cationic electrodepositable resin which is an addition-reaction product formed between an epoxy resin and a basic amino compound,... | 04/10/1990 |
| 4883572 | Controlled 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 |
| 4879013 | Method of cationic electrodeposition using dissolution resistant anodes Disclosed is cationic electrodeposition of an aqueous cationic resinous composition with an anode comprising a self-supporting substrate to which is adhered a coating of a conductive material selected from the group consisting of platinum, palladium, rhod... | 11/07/1989 |
| 4872961 | Corrosion resistant, low temperature cured cathodic electrodeposition coating Cathodic electrodepositable coating compositions comprising an aqueous dispersion of (1) at least one cationic epoxy-based resin, (2) at least one blocked isocyanate crosslinker, and (3) a solvent system containing one or more organic solvents are improve... | 10/10/1989 |
| 4867854 | Controlled 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 |
| 4845170 | Self-crosslinking cationic paint binders containing urea groups and process of manufacture A process for producing self-crosslinking cationic paint binders, water-dilutable upon protonation, on the basis of urea group carrying reaction products of modified phenols and epoxy resins as well as with the binders produced according to the process an... | 07/04/1989 |
| 4781808 | Aqueous 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 |
| 4698141 | Cationic, advanced epoxy resin compositions 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... | 10/06/1987 |
| 4596744 | Oxime blocked isocyanate cross-linker for cathodic electrocoat Oxime blocked polyisocyanate cross-linking agents for use with amine epoxy resin adducts in cathodic electrodeposition processes. The oxime blocking agents are the reaction products of acyclic aliphatic carbonyl-containing compounds having at least 7 carb... | 06/24/1986 |
| 4566963 | Water-dispersible binders based on modified epoxide/amine adducts, and their preparation and use This application discloses water-dispersible binders which are based on modified epoxide/amine adducts and are the reaction products of A. polyepoxides having an epoxide equivalent greater than 1 and a mean molecular weight Mn of 140 to 5,000 with B... | 01/28/1986 |
| 4557814 | Synthetic resin carrying basic nitrogen groups, and its preparation A synthetic resin which carries basic nitrogen groups and can be diluted with water as a result of protonation with an acid can be obtained by reacting an epoxy resin, having a mean molecular weight Mn of from 300 to 6,000 and containing on ave... | 12/10/1985 |
| 4548965 | Water-dispersible binders for cationic electrocoating finishes, and process for their preparation The invention relates to water-dispersible binders for cationic electrocoating finishes, which are obtained by reaction of (A) epoxy resins containing low molecular weight aromatic groups and having an epoxide equivalent weight of less than 375 with (B) alipha... | 10/22/1985 |
| 4482446 | Article and method of electrodeposition of aqueous dispersions with finely-divided, non-ionic plastics An aqueous dispersion based on an acid-protonized reaction product from (a) Mannich bases free from epoxide groups, from (a1) condensed phenols free from ether groups with at least two aromatic rings and with at least two phenolic hydroxyl groups and/or ... | 11/13/1984 |
| 4468307 | Method of cationic electrodeposition An improved process for the preparation of cationic resins derived from polyepoxides is disclosed. Typically, the process comprises contacting the polyepoxide with particular polyether polyols and heating the two together to form a resin which may then be... | 08/28/1984 |
| 4454264 | Heat curable aqueous lacquer coating composition, its use for electrical deposition, and a process of cathodic deposition onto an electrical conductive substrate Paint coating material capable of cathodic deposition based on a vehicle mixture that has been made water-thinnable with acid and optionally customary additives, wherein said vehicle contains in combination (A) from 50 to 90% by weight of a polymer and/or poly... | 06/12/1984 |
| 4321305 | Beta-diketone-epoxy resin reaction products useful for providing corrosion resistance Novel compositions of matter comprising a water-dispersible reaction product of beta-diketones and epoxy material are hereby provided. The beta-diketones useful herein are those which enolize in amounts that render them sufficiently acidic and reactable w... | 03/23/1982 |
| 4292155 | Cationic electrodeposition employing novel mercapto chain extended products Cationic electrodeposition employing novel chain-extended cationic resinous products is disclosed. The products are formed by chain extending polyepoxides with polymercapto compounds and reacting with amines to provide cationic groups.... | 09/29/1981 |
| 4253930 | Process for electrodepositing cationic compositions A resin useful for electrocoating is obtained by reacting a reaction product of an epoxy group-containing compound with a carboxyl group-containing butadiene/acrylonitrile copolymer with simultaneously or separately an amino group-containing compound and ... | 03/03/1981 |
| 4210506 | Coating bath for the cataphoretic coating of metallic surfaces Coating bath and method for cataphoretic coating of metallic iron surfaces from aqueous solutions and/or aqueous dispersions of salts of cationic film-forming agents. An additional content of metallic ions from metallic salts is dissolved in the coating b... | 07/01/1980 |
| 4144159 | Electrodeposition of N-heterocyclic-containing resins Water-dispersible resins formed from polyglycidyl ethers of polyphenols and N-heterocyclic compounds and containing cationic salt groups are disclosed. The resins can be dispersed or dissolved in water, and can be applied to a wide variety of different su... | 03/13/1979 |
| 4134816 | Process for cationic electrodeposition Aqueous coating compositions comprising a blocked organic polyisocyanate and a resin containing active hydrogen atoms and quaternary ammonium groups are disclosed. The resin is prepared by the reaction of a polyepoxide with an amine-acid salt. These compo... | 01/16/1979 |
| 4097352 | Electrodeposition of compositions containing sulfonium resins and capped polyisocyanates It has been found that aqueous coating compositions comprising a blocked organic polyisocyanate and quaternary sulfonium group-containing resin containing isocyanate reactive groups can be electrodeposited. These compositions deposit on the cathode to pro... | 06/27/1978 |
| 4071428 | Process for electrodeposition of quaternary ammonium salt group-containing resins A method of cationic electrodeposition employing an aqueous dispersion of a quaternary ammonium salt group-containing resin is disclosed. The resin comprises the reaction product of a polymeric tertiary amine and a 1,2-epoxy-containing material.... | 01/31/1978 |
| 4046729 | Water-reduced urethane coating compositions A water-diluted, ungelled, non-sedimenting polyurethane and a process for preparing such a polyurethane in the presence of water is disclosed. The polyurethanes are prepared so that they contain a high percentage of highly active hydrogens which enable th... | 09/06/1977 |
| 4040924 | Aqueous cationic electrodeposition of epoxy resins having quaternary groups carrying blocked NCO Resinous vehicles suitable for use in cationic electrodeposition are disclosed. The vehicles comprise the reaction product of any epoxy-containing organic material and an organic tertiary amine acid salt or sulfide-acid mixture; the amine and the sulfide ... | 08/09/1977 |
| 3984299 | Process for electrodepositing cationic compositions It has been found that aqueous coating compositions comprising a blocked organic polyisocyanate, an amine adduct of an epoxy group-containing resin, and optionally a catalyst for urethane formation can be electrodeposited. These compositions deposit on th... | 10/05/1976 |
