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Nozzle for a paint spray gun
PATENTSGRANTED In the Metal Finishing Field Printed copies of patents are furnished by the Patent and Trademark Office for $3.00 each. Address orders to: Commissioner of Patents and Trademarks, Washington, DC. 20231.
Aqueous Acrylate Coating Composition U.S.Patent5,612404. Mar.16, 1997
SK. Das et al., assignors to PPG Industries Inc., Pittsburgh
An aqueous coating composition having pH above 7.0 with a binder comprising polyureas formed by the combination of an anionic amino polymer synthesized in water from olefinically unsaturated comisocyanate-reactive pounds containing groups and a polyisocyanate.
Paint Mixing Apparatus U.S.Patent 5,613,775. Mar. 25, 1997 G. Ne/i, z.s@w to Fast !$A., C&etk~ &&no, tta@
An apparatus for mixing liquid products to prepare coloring substances for paints.
Method for Producing Electroless Polyalloys U.S. Patent 5,614,003. Mar. 25, 1997 G.O. Mallory, Jr., CJoEkxtroless Technologies, Los Angeles
A nonchromate, metal pretreatment composition comprising a zinc salt hydrolysate’of a copolymer selected from the group consisting of maleic anhydride and vinyltrialkoxysilane, and acrylic acid and vinyltrialkoxysilane.
A method for producing an electroless polyalloy deposit containing phosphorus, a primary metal selected from the group consisting of nickel and cobalt, and at least one secondary metal selected from the group consisting of copper, molybdenum, tin, and tungsten, the improvement of which achieves a hard deposit as plated above about 800 VHNm,, and comprises preparing the polyalloy in an electroless polyalloy plating bath using a source of hypophosphite ion as a reducing agent and a source of fluoborate anion wherein the bath is maintained at an alkaline pH.
System for Coating Removal U.S.Patent 5,613,509. Mar. 25, 1997
Electroless Gold Plating Solution
Composition for Pretreatment of Metals U.S. Patent 5,612,421.Mar.16, 1997 A.E. Goliaszetvski et at., assignorsto BetzDeatim Inc., Trevose, Pa.
Laboratories AX. Kolb et a/., assignorsIOMaxwell Inc.,San D&o A method and apparatus for removing contaminants and coatings from a substrate using pulsed radiant energy and liquid carbon dioxide.
Nozzle for a Paint Spray Gun U.S. Patent 5,613,637. Mar. 25, 1997 E. Schmon, assignor to SATA-Farbsp&ztechnik GmbH & Co., Komwestheim, Germany
A nozzle structure for a paint spray gun comprising a central outlet for paint, an annular slot surrounding the central outlet, the annular slot being connected inside the nozzle structure via an annular duct to a number of virtually axially parallel bores, the bores being situated on at least one circle about a central axis of the nozzle structure, means for providing compressed air via the bores for delivery to the annular duct, and an air reversing disk located inside the annular duct and opposite the bores. 66
U.S. Patent 5,674,004. Mar. 25, 1997 H. Wachi and Y Otani, assignors to Electroplating Engineers of Japan Ltd., Tokyo
An electroless gold plating solution containing a gold alkali metal cyanide, a boron-based reducing agent, an alkali metal hydroxide as a pH controller, and a tballium compound, wherein 0.1 to 10 g/L of a chelating agent is added to the plating SOlution.
Aluminum Cleaner U.S. Patent 5,614,027. Mar. 25, 1997 S. Dunn and A. Winston,assignorsto Church& Dwighf Co, Inc., Princeton,NJ.
A method of cleaning aluminum or amminum alloy substrates so as to remove contaminants therefrom comprising contacting with an aqueous cleaning solution comprising a metal cleaning composition in water, said metal cleaning composition containing an alkoxylated thiol surfactant, an N-alkyl pyrrolidone surfactant, an alkalinity providing agent, and a corrosion inhibitor selected from the group consisting
of magnesium ions, zinc ions, and mixtures thereof.
Cleaning and Passivating Metal U.S. Patent 5,614,026, Mar.25, 7997 E.A. Rodzewich,assignor to SetzDearbom Inc., Trevose, Pa.
A method of cleaning and passivating a metal surface in a single step comprising contacting with a solution consisting essentially of an acidic cleaning system to which has been added a corrosion inhibiting amount of ethoxylated tertiary dodecyl mercaptan.
Method for Removing Flux Residues U.S. Patent 5,614,032. Mar. 25, 1997 C-f! Wong, assignor to AT&T Corp., Murray Hilt, N.J.
A method for cleaning an electronic device having thereon rosin flux residue comprising immersing in a cleaning solvent comprising terpene, wherein the cleaning solvent further comprises alcohol in an amount that is 1 to 20% by total weight and the alcohol consists essentially of at least one of isopropyl alcohol and isobutyl alcohol.
Coating for Aluminum U.S. Patent 5,674,035. Mar. 25, 1997 SK. Nadkami, assignorto A/can International Ltd., Montreal
A composition for application to surfaces of aluminum articles to produce, upon heating, a nonabrasive, hydrophilic, corrosion-resistant coating thereon, said composition comprising, in an aqueous vehicle, effective minor amounts of nitrilotrismethylenetriphosphonic acid, phosphoric acid, and borate material of the group consisting of zinc borate and sodium borate, the amount of nitrilotrismethylenetriphosphonic acid present being 2.5 to 7.8 parts by weight of nitrilotrismethylenetriphosphonic acid measured as a solution at 50% concentration, subject to the proviso that the material includes an effective amount of at least one borate, also optionally an effective minor amount of polyacrylic acid, to provide a coating on proMETAL FINISHING
. DECEMBER
1997
Aqueous Acrylate Coating Composition U.S.Patent5,612404. Mar.16, 1997
SK. Das et al., assignors to PPG Industries Inc., Pittsburgh
An aqueous coating composition having pH above 7.0 with a binder comprising polyureas formed by the combination of an anionic amino polymer synthesized in water from olefinically unsaturated comisocyanate-reactive pounds containing groups and a polyisocyanate.
Paint Mixing Apparatus U.S.Patent 5,613,775. Mar. 25, 1997 G. Ne/i, z.s@w to Fast !$A., C&etk~ &&no, tta@
An apparatus for mixing liquid products to prepare coloring substances for paints.
Method for Producing Electroless Polyalloys U.S. Patent 5,614,003. Mar. 25, 1997 G.O. Mallory, Jr., CJoEkxtroless Technologies, Los Angeles
A nonchromate, metal pretreatment composition comprising a zinc salt hydrolysate’of a copolymer selected from the group consisting of maleic anhydride and vinyltrialkoxysilane, and acrylic acid and vinyltrialkoxysilane.
A method for producing an electroless polyalloy deposit containing phosphorus, a primary metal selected from the group consisting of nickel and cobalt, and at least one secondary metal selected from the group consisting of copper, molybdenum, tin, and tungsten, the improvement of which achieves a hard deposit as plated above about 800 VHNm,, and comprises preparing the polyalloy in an electroless polyalloy plating bath using a source of hypophosphite ion as a reducing agent and a source of fluoborate anion wherein the bath is maintained at an alkaline pH.
System for Coating Removal U.S.Patent 5,613,509. Mar. 25, 1997
Electroless Gold Plating Solution
Composition for Pretreatment of Metals U.S. Patent 5,612,421.Mar.16, 1997 A.E. Goliaszetvski et at., assignorsto BetzDeatim Inc., Trevose, Pa.
Laboratories AX. Kolb et a/., assignorsIOMaxwell Inc.,San D&o A method and apparatus for removing contaminants and coatings from a substrate using pulsed radiant energy and liquid carbon dioxide.
Nozzle for a Paint Spray Gun U.S. Patent 5,613,637. Mar. 25, 1997 E. Schmon, assignor to SATA-Farbsp&ztechnik GmbH & Co., Komwestheim, Germany
A nozzle structure for a paint spray gun comprising a central outlet for paint, an annular slot surrounding the central outlet, the annular slot being connected inside the nozzle structure via an annular duct to a number of virtually axially parallel bores, the bores being situated on at least one circle about a central axis of the nozzle structure, means for providing compressed air via the bores for delivery to the annular duct, and an air reversing disk located inside the annular duct and opposite the bores. 66
U.S. Patent 5,674,004. Mar. 25, 1997 H. Wachi and Y Otani, assignors to Electroplating Engineers of Japan Ltd., Tokyo
An electroless gold plating solution containing a gold alkali metal cyanide, a boron-based reducing agent, an alkali metal hydroxide as a pH controller, and a tballium compound, wherein 0.1 to 10 g/L of a chelating agent is added to the plating SOlution.
Aluminum Cleaner U.S. Patent 5,614,027. Mar. 25, 1997 S. Dunn and A. Winston,assignorsto Church& Dwighf Co, Inc., Princeton,NJ.
A method of cleaning aluminum or amminum alloy substrates so as to remove contaminants therefrom comprising contacting with an aqueous cleaning solution comprising a metal cleaning composition in water, said metal cleaning composition containing an alkoxylated thiol surfactant, an N-alkyl pyrrolidone surfactant, an alkalinity providing agent, and a corrosion inhibitor selected from the group consisting
of magnesium ions, zinc ions, and mixtures thereof.
Cleaning and Passivating Metal U.S. Patent 5,614,026, Mar.25, 7997 E.A. Rodzewich,assignor to SetzDearbom Inc., Trevose, Pa.
A method of cleaning and passivating a metal surface in a single step comprising contacting with a solution consisting essentially of an acidic cleaning system to which has been added a corrosion inhibiting amount of ethoxylated tertiary dodecyl mercaptan.
Method for Removing Flux Residues U.S. Patent 5,614,032. Mar. 25, 1997 C-f! Wong, assignor to AT&T Corp., Murray Hilt, N.J.
A method for cleaning an electronic device having thereon rosin flux residue comprising immersing in a cleaning solvent comprising terpene, wherein the cleaning solvent further comprises alcohol in an amount that is 1 to 20% by total weight and the alcohol consists essentially of at least one of isopropyl alcohol and isobutyl alcohol.
Coating for Aluminum U.S. Patent 5,674,035. Mar. 25, 1997 SK. Nadkami, assignorto A/can International Ltd., Montreal
A composition for application to surfaces of aluminum articles to produce, upon heating, a nonabrasive, hydrophilic, corrosion-resistant coating thereon, said composition comprising, in an aqueous vehicle, effective minor amounts of nitrilotrismethylenetriphosphonic acid, phosphoric acid, and borate material of the group consisting of zinc borate and sodium borate, the amount of nitrilotrismethylenetriphosphonic acid present being 2.5 to 7.8 parts by weight of nitrilotrismethylenetriphosphonic acid measured as a solution at 50% concentration, subject to the proviso that the material includes an effective amount of at least one borate, also optionally an effective minor amount of polyacrylic acid, to provide a coating on proMETAL FINISHING
. DECEMBER
1997