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Class Information
Number: 419/63
Name: Powder metallurgy processes > Forming articles by uniting randomly associated metal particles > Powder pretreatment > Includes a chemical reaction
Description: Processes wherein during the pre-treatment at least one component of the powder undergoes a chemical change.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7510680 |
Method for producing a metallic alloy by dissolution, oxidation and chemical reduction |
Mar. 31, 2009 |
| 7442338 |
Product manufacture in structural metallic materials reinforced with carbides |
Oct. 28, 2008 |
| 6849229 |
Production of injection-molded metallic articles using chemically reduced nonmetallic precursor compounds |
Feb. 1, 2005 |
| 6403210 |
Method for manufacturing a composite material |
Jun. 11, 2002 |
| 6340397 |
Method for making low core loss, well-bonded, soft magnetic parts |
Jan. 22, 2002 |
| 6150048 |
Metallic interconnection material for solid oxide fuel cell and method for preparing the same |
Nov. 21, 2000 |
| 5989489 |
Method for manufacturing a composite material |
Nov. 23, 1999 |
| 5968428 |
Molding method for powder particles |
Oct. 19, 1999 |
| 5925463 |
Electrochemical reduction of metal salts as a method of preparing highly dispersed metal colloids and substrate fixed clusters by electrochemical reduction of metal salts |
Jul. 20, 1999 |
| 5908588 |
Incipient flocculation molding of particulate inorganic materials |
Jun. 1, 1999 |
| 5852768 |
Process for producing precious metal powders |
Dec. 22, 1998 |
| 5785731 |
Process of making a non-sag tungsten wire for electric lamps |
Jul. 28, 1998 |
| 5718865 |
Mouldable alum composition |
Feb. 17, 1998 |
| 5538684 |
Powder metallurgy lubricant composition and methods for using same |
Jul. 23, 1996 |
| 5538684 |
Powder metallurgy lubricant composition and methods for using same |
Jul. 23, 1996 |
| 5529747 |
Formable composite magnetic flux concentrator and method of making the concentrator |
Jun. 25, 1996 |
| 5468446 |
Pelletizing or granulating process |
Nov. 21, 1995 |
| 5366687 |
Electrophoresis process for preparation of ceramic fibers |
Nov. 22, 1994 |
| 5360494 |
Method for alloying lithium with powdered magnesium |
Nov. 1, 1994 |
| 5342572 |
Combustion synthesis process utilizing an ignitable primer which is ignited after application of pressure |
Aug. 30, 1994 |
| 5340533 |
Combustion synthesis process utilizing an ignitable primer which is ignited after application of pressure |
Aug. 23, 1994 |
| 5340657 |
Pillared micas |
Aug. 23, 1994 |
| 5198188 |
Combustion synthesis method and products |
Mar. 30, 1993 |
| 5112572 |
Deoxidation treatment for consolidated atomized metal powder |
May. 12, 1992 |
| 4960459 |
Method for surface activation of water atomized powders by pickling |
Oct. 2, 1990 |
| 4957421 |
Metal treatment |
Sep. 18, 1990 |
| 4954169 |
Fine-grained, high-purity earth acid metal powders, a process for their production and their use |
Sep. 4, 1990 |
| 4946643 |
Dense, finely, grained composite materials |
Aug. 7, 1990 |
| RE33243 |
Process for treating a metal oxide powder |
Jun. 26, 1990 |
| 4933025 |
Method for enhancing magnetic properties of rare earth permanent magnets |
Jun. 12, 1990 |
| 4879262 |
Combustion synthesis of boride and other composites |
Nov. 7, 1989 |
| 4857266 |
Dispersion strengthened copper |
Aug. 15, 1989 |
| 4851053 |
Method to produce dispersion strengthened titanium alloy articles with high creep resistance |
Jul. 25, 1989 |
| 4778649 |
Method of producing composite materials |
Oct. 18, 1988 |
| 4718941 |
Infiltration processing of boron carbide-, boron-, and boride-reactive metal cermets |
Jan. 12, 1988 |
| 4668470 |
Formation of intermetallic and intermetallic-type precursor alloys for subsequent mechanical alloying applications |
May. 26, 1987 |
| 4664883 |
Method of making electrolytic capacitor anodes |
May. 12, 1987 |
| 4642218 |
Hot rolling of ceramics by the use of self propagating synthesis |
Feb. 10, 1987 |
| 4617158 |
Process for treating a metal oxide powder |
Oct. 14, 1986 |
| 4615735 |
Isostatic compression technique for powder metallurgy |
Oct. 7, 1986 |
| 4601876 |
Sintered Fe-Cr-Co type magnetic alloy and method for producing article made thereof |
Jul. 22, 1986 |
| 4582679 |
Titanium nitride dispersion strengthened alloys |
Apr. 15, 1986 |
| 4572844 |
Method for preparing coated powder |
Feb. 25, 1986 |
| 4569821 |
Method of preparing a porous metal body |
Feb. 11, 1986 |
| 4557894 |
Friction-actuated extrusion |
Dec. 10, 1985 |
| 4462845 |
Oxygen-free dispersion-strengthened copper and process for making same |
Jul. 31, 1984 |
| 4448746 |
Process for producing alloy steel powder |
May. 15, 1984 |
| 4336218 |
Method for recovering residual matter accumulated in the production and machining of steel |
Jun. 22, 1982 |
| 3963482 |
Large size aluminum particle containing aluminum oxide therein |
Jun. 15, 1976 |
| 3933961 |
Tabletting spherical dental amalgam alloy |
Jan. 20, 1976 |
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