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Method of etching aluminum foil
PATENTS GRANTED 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, D.C. 2023 1.
Waterborne Coating Composition U.S.Patent 5,4(X,790.Mar. 26,
1995 J.E. Poole and R.L. Martin, assignors to PPG industries Inc., Pittsburgh
A waterborne coating composition with improved smoothness comprising a polymeric film-forming resin in aqueous medium and 0.1 to 5% of an oligomeric material containing from two to four urethane, urea, or amide moieties per molecule, and two or more moieties selected from the group consisting of hydroxyl and tertiary amine.
Spray Gun with Disposable Mixer U.S.Patent 5,405,&X3. Apr. Ii, 1995 J.D. Moses, assignor to American Matrix Technologies Inc., lowa Cify lowa
A method for applying a resin under pressure and in confluence with a catalyst in which the catalyst reacts with the resin to harden the resin and form a coating as the resin and catalyst are spread on an article.
Blast Cleaning System U.S. Patent5,4&2&?3. Apr. 11, 1995 L.N. Goenka, assignor to Ford Motor Co., Dearborn, Mich. An apparatus for cleaning a workpiece with abrasive carbon dioxide (CO,) snow.
Method of Etching Aluminum Foil U.S. Patent5,405,493. Apr. 11, 1995 D. Goad, assignor to KDK Corp., Ibaraki, Japan
A method of etching aluminum foil comprising the steps of depositing on the foil surface a discontinuous layer of metal that is cathodic to the foil in an electrolyte, and then electrochemically etching the foil in the electrolyte.
Recovery Process U.S.Patent 5,405,5(X Apr. 71, J.I. Bishara et a/., assignors Corp., Chardon, Ohio
1995 fo E/tech Systems
A method for the electrolytic recovery of product from an electrolyte solution con86
taining metal in solution, including the electrolysis of an acidic solution, the recovery of metal, or both, comprising providing an electrolytic cell comprising an anode chamber and an anode therein; a cathode chamber and a cathode therein; a diaphragm of a fibrous mat containing 5-70 weight percent organic halocarbon polymer in fiber form in combination with 3G95 weight percent of finely divided inorganic particulates, said diaphragm having a weight per unit of surface area of 3-12 kilograms per square meter.
Magnetron Sputtering Apparatus U.S. Patenr5,405,517. Apr. 11, 1995 CM. Lampkin, assignor to Curtis M. Lampkin, Merritt /s/and, F/a.
A method for sputtering a compound thin film of selected coating materials onto selected substrates, comprising providing an evacuable coating chamber containing a thermally cooled rotating primary magnetron surrogate cathode, a plurality of controllable auxiliary coating means for coating the surface of the primary cathode with a plurality of selected materials, and causing the controllable auxiliary coating means to cooperate to deposit upon the surface of said primary surrogate cathode a multimaterial coating containing all the necessary materials in controlled amounts, wherein said multimaterial coating on the surface of said primary surrogate cathode is rotated into a sputter plasma zone of said primary cathode, causing the selected compound thin film to be deposited on at least one substrate.
Workpiece Holder U.S. Patent5,405,518. Apr. 11, 1995 M-H. Hsieh and C-S. Chang, assignors to industrial Techndogy Research Institufe, Hsinchu, Taiwan
An apparatus for high-temperature electrochemical etching operations containing a workpiece holder to be immersed in an etching fluid.
Zinc Alloy Plating Process U.S. Pafenr5,465,523. Apr. 11, 1995 WE. Eckles, assignor to Taskem Inc., Cleveland
A process for electrodepositing a zinc alloy onto a metal substrate comprising preparing an electroplating bath of zinc
ions, alloy metal ions, and a brightening agent of a quatemary ammonium polymer.
Polyester Powder Coating U.S. Patenf 5,405,910. Apr. 11, 1995 W-S. Kim and S-J. Kim, assignors to Korea Chemical Co., Kyunggido, Rep. of Korea
A process for preparing a powder coating composition comprising acryl-modified polyester resins.
Powder Coating Composition U.S. Patent $405,912. Apr. 11, 1995 6. Simkin, assignor to E/f Atochem North America Inc., Philadelphia
A solvent-free pigmented blend useful for powder coatings comprising a PVDF resin, a thermoplastic resin, a pigment, and 0.1-5.0 weight percent, based on the weight of the blend, of a VDF/TFEMFP terpolymer.
Polyurethane Powder Coating U.S. Patent 5,405,929. Apr. 11, 1995 R.S. Barbee and B.S. Phillips, assignors to Eastman Chemical Co., Kingsport, Term.
A powder coating composition in the form of an intimate blend, in a finely divided form, comprising a polyester resin and a cross-linking effective amount of a blocked polyisocyanate.
Powder Coating U.S. Pafent 5,405,925. Apr. II, 1995 P Kappler et a/., assignors to Elf Afocbem S.A., France
A hardenable fluoridated copolymer of tetrafluoroethylene, vinylidene fluoride, and an allylic monomer.
Rotary Brush U.S. Patent 5,406,669. Apr. 18, 1995 6. Lesiw, assignor to The Milwaukee Brush Mfg. Co. Inc., Milwaukee
A rotary brush comprising a central hub having a peripheral edge, and wherein a plurality of apertures are formed in the hub and located in predetermined spaced relation along the peripheral edge; and a plurality of knots of wires forming a brush face having an undulating width face dimension. METAL
FINISHING
. JANUARY
1996
Waterborne Coating Composition U.S.Patent 5,4(X,790.Mar. 26,
1995 J.E. Poole and R.L. Martin, assignors to PPG industries Inc., Pittsburgh
A waterborne coating composition with improved smoothness comprising a polymeric film-forming resin in aqueous medium and 0.1 to 5% of an oligomeric material containing from two to four urethane, urea, or amide moieties per molecule, and two or more moieties selected from the group consisting of hydroxyl and tertiary amine.
Spray Gun with Disposable Mixer U.S.Patent 5,405,&X3. Apr. Ii, 1995 J.D. Moses, assignor to American Matrix Technologies Inc., lowa Cify lowa
A method for applying a resin under pressure and in confluence with a catalyst in which the catalyst reacts with the resin to harden the resin and form a coating as the resin and catalyst are spread on an article.
Blast Cleaning System U.S. Patent5,4&2&?3. Apr. 11, 1995 L.N. Goenka, assignor to Ford Motor Co., Dearborn, Mich. An apparatus for cleaning a workpiece with abrasive carbon dioxide (CO,) snow.
Method of Etching Aluminum Foil U.S. Patent5,405,493. Apr. 11, 1995 D. Goad, assignor to KDK Corp., Ibaraki, Japan
A method of etching aluminum foil comprising the steps of depositing on the foil surface a discontinuous layer of metal that is cathodic to the foil in an electrolyte, and then electrochemically etching the foil in the electrolyte.
Recovery Process U.S.Patent 5,405,5(X Apr. 71, J.I. Bishara et a/., assignors Corp., Chardon, Ohio
1995 fo E/tech Systems
A method for the electrolytic recovery of product from an electrolyte solution con86
taining metal in solution, including the electrolysis of an acidic solution, the recovery of metal, or both, comprising providing an electrolytic cell comprising an anode chamber and an anode therein; a cathode chamber and a cathode therein; a diaphragm of a fibrous mat containing 5-70 weight percent organic halocarbon polymer in fiber form in combination with 3G95 weight percent of finely divided inorganic particulates, said diaphragm having a weight per unit of surface area of 3-12 kilograms per square meter.
Magnetron Sputtering Apparatus U.S. Patenr5,405,517. Apr. 11, 1995 CM. Lampkin, assignor to Curtis M. Lampkin, Merritt /s/and, F/a.
A method for sputtering a compound thin film of selected coating materials onto selected substrates, comprising providing an evacuable coating chamber containing a thermally cooled rotating primary magnetron surrogate cathode, a plurality of controllable auxiliary coating means for coating the surface of the primary cathode with a plurality of selected materials, and causing the controllable auxiliary coating means to cooperate to deposit upon the surface of said primary surrogate cathode a multimaterial coating containing all the necessary materials in controlled amounts, wherein said multimaterial coating on the surface of said primary surrogate cathode is rotated into a sputter plasma zone of said primary cathode, causing the selected compound thin film to be deposited on at least one substrate.
Workpiece Holder U.S. Patent5,405,518. Apr. 11, 1995 M-H. Hsieh and C-S. Chang, assignors to industrial Techndogy Research Institufe, Hsinchu, Taiwan
An apparatus for high-temperature electrochemical etching operations containing a workpiece holder to be immersed in an etching fluid.
Zinc Alloy Plating Process U.S. Pafenr5,465,523. Apr. 11, 1995 WE. Eckles, assignor to Taskem Inc., Cleveland
A process for electrodepositing a zinc alloy onto a metal substrate comprising preparing an electroplating bath of zinc
ions, alloy metal ions, and a brightening agent of a quatemary ammonium polymer.
Polyester Powder Coating U.S. Patenf 5,405,910. Apr. 11, 1995 W-S. Kim and S-J. Kim, assignors to Korea Chemical Co., Kyunggido, Rep. of Korea
A process for preparing a powder coating composition comprising acryl-modified polyester resins.
Powder Coating Composition U.S. Patent $405,912. Apr. 11, 1995 6. Simkin, assignor to E/f Atochem North America Inc., Philadelphia
A solvent-free pigmented blend useful for powder coatings comprising a PVDF resin, a thermoplastic resin, a pigment, and 0.1-5.0 weight percent, based on the weight of the blend, of a VDF/TFEMFP terpolymer.
Polyurethane Powder Coating U.S. Patent 5,405,929. Apr. 11, 1995 R.S. Barbee and B.S. Phillips, assignors to Eastman Chemical Co., Kingsport, Term.
A powder coating composition in the form of an intimate blend, in a finely divided form, comprising a polyester resin and a cross-linking effective amount of a blocked polyisocyanate.
Powder Coating U.S. Pafent 5,405,925. Apr. II, 1995 P Kappler et a/., assignors to Elf Afocbem S.A., France
A hardenable fluoridated copolymer of tetrafluoroethylene, vinylidene fluoride, and an allylic monomer.
Rotary Brush U.S. Patent 5,406,669. Apr. 18, 1995 6. Lesiw, assignor to The Milwaukee Brush Mfg. Co. Inc., Milwaukee
A rotary brush comprising a central hub having a peripheral edge, and wherein a plurality of apertures are formed in the hub and located in predetermined spaced relation along the peripheral edge; and a plurality of knots of wires forming a brush face having an undulating width face dimension. METAL
FINISHING
. JANUARY
1996