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Class Information
Number: 423/61
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Group vib metal (cr, mo, or w) > Forming compound containing plural metals
Description: Processes including the step of chemically forming a compound which contains at least two metals.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7968066 Method for production of alkali metal chromates Jun. 28, 2011
7445763 Coating powder of Cr or V doped titanium suboxides Nov. 4, 2008
7354565 Lead iron tungstate capacitive transducer, relaxor material therefor and method of manufacture of said relaxor material Apr. 8, 2008
7261820 Method for decreasing a concentration of metal in aqueous solution Aug. 28, 2007
7045112 Method of making manganese sulfide compositions May. 16, 2006
6500779 Molybdenum based oxidation catalysts Dec. 31, 2002
6395241 Process for recovering the carbide metal from metal carbide scrap May. 28, 2002
6149883 Pressure oxidation process for the production of molybdenum trioxide from molybdenite Nov. 21, 2000
6103392 Tungsten-copper composite powder Aug. 15, 2000
5993756 Sodium tungstate preparation process Nov. 30, 1999
5932184 Method for recovery of tungsten from spent catalysts Aug. 3, 1999
5912399 Chemical synthesis of refractory metal based composite powders Jun. 15, 1999
5882620 Pyrometallurgical process for forming tungsten carbide Mar. 16, 1999
5874056 Metal tungstates and method of preparing them and their use Feb. 23, 1999
5819158 Reclamation of tungsten values from tungsten-thoria Oct. 6, 1998
5776264 Method for producing amorphous based metals Jul. 7, 1998
5667759 Method for manufacturing alkali chromates from chromium ore Sep. 16, 1997
5594929 Method of preparing powders for hard materials Jan. 14, 1997
5547646 Process for the decomposition of chrome ore by alkaline oxidation Aug. 20, 1996
5514360 Negative thermal expansion materials May. 7, 1996
5505918 Method for manufacturing alkali chromates from chromium ore Apr. 9, 1996
5503813 Molybdenum recovery from epoxidate Apr. 2, 1996
5482690 Low-residue high-extraction production of sodium dichromate Jan. 9, 1996
5470549 Method of making tungsten-copper composite oxides Nov. 28, 1995
5468457 Method of making tungsten-copper composite oxides Nov. 21, 1995
5374408 Process for the preparation of alkaline chromates from chromium minerals Dec. 20, 1994
5273726 Removal of aluminum from ammonium molybdate solution Dec. 28, 1993
5273735 Process for the preparation of sodium dichromate Dec. 28, 1993
5256608 High hardness, wear resistant materials Oct. 26, 1993
5250274 Process for the production of sodium dichromate Oct. 5, 1993
5223460 High hardness, wear resistant materials Jun. 29, 1993
5215945 High hardness, wear resistant materials Jun. 1, 1993
5082637 Removal of potassium from ammonium molybdate Jan. 21, 1992
5079199 Method of manufacturing dielectric ceramic compositions of lead-based perovskite Jan. 7, 1992
5007960 Method for removing chromium from chromium containing waste material Apr. 16, 1991
4917871 Chevrel-phase syntheses and electrochemical cells Apr. 17, 1990
4695447 Destruction of inorganic hazardous wastes Sep. 22, 1987
4643884 Purification of molybdenum trioxide Feb. 17, 1987
4629503 Process for the recovery of tungsten in a pure form from tungsten-containing materials Dec. 16, 1986
4629606 Recovery of tungsten compounds Dec. 16, 1986
4604267 Process for purifying molybdenum trioxide Aug. 5, 1986
4604266 Process for purifying molybdenum trioxide Aug. 5, 1986
4603043 Controllable nitrate fusion Jul. 29, 1986
4601890 Process for purifying molybdenum trioxide Jul. 22, 1986
4599224 Recovery of molybdenum from molybdenum disulfide Jul. 8, 1986
4596701 Process for purifying molybdenum trioxide Jun. 24, 1986
4560539 Removal of ammonia from sodium tungstate solutions Dec. 24, 1985
4555294 Inorganic composition adapted for use in bonding a high temperature resistant polymeric material to an aluminum base substrate Nov. 26, 1985
4555386 Process for purifying molybdenum trioxide Nov. 26, 1985
4548700 Hydroconversion process Oct. 22, 1985

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