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Class Information
Number: 502/24
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Regenerating or rehabilitating catalyst or sorbent > Treating with a liquid or treating in a liquid phase, including dissolved or suspended > Including intended dissolution or precipitation of a substantial amount of an ingredient of the ultimate composition
Description: Process in which an essential component of the composition is (1) dissolved in a solvent or by reaction, or (2) caused to come out of solution in a solid phase, permitting separation from reaction products and/or extraneous material or providing such component in an effective form.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7527771 |
Dissolving metal particles from supported catalyst using ultrasonic energy, solvent and etchant |
May. 5, 2009 |
| 7501106 |
Denitrification catalyst regeneration method |
Mar. 10, 2009 |
| 7481938 |
Metal compound removal |
Jan. 27, 2009 |
| 7439390 |
Process for preparing amino acids using the amidocarbonylation reaction |
Oct. 21, 2008 |
| 7182926 |
Process for separating and recovering valuable metals |
Feb. 27, 2007 |
| 6982234 |
Methods and apparatus for removing catalyst from oxidation reactor effluent |
Jan. 3, 2006 |
| 6809053 |
Method for reactivating sulfonated resin catalyst |
Oct. 26, 2004 |
| 6777369 |
Process for producing catalyst |
Aug. 17, 2004 |
| 6733564 |
Process for recovery of nickel from spent catalyst |
May. 11, 2004 |
| 6559085 |
Method for regenerating molybdenum-containing oxide fluidized-bed catalyst |
May. 6, 2003 |
| 6555004 |
Method for separating catalyst, product and solvent |
Apr. 29, 2003 |
| 6403514 |
Process for the regeneration of zeolitic catalysts containing titanium |
Jun. 11, 2002 |
| 6331261 |
Water softener salt formulation |
Dec. 18, 2001 |
| 6309996 |
Suspension carbonation process for reactivation of partially utilized sorbent |
Oct. 30, 2001 |
| 6255510 |
Production of aromatic carboxylic acids and recovery of Co/Mn catalyst from ash |
Jul. 3, 2001 |
| 6232495 |
Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids |
May. 15, 2001 |
| 6162753 |
Process for recovering cobalt carbonyl catalysts used to produced N-acyl-alpha-amino acid derivatives by amidocarbonylation |
Dec. 19, 2000 |
| 6096673 |
Catalyst recovery in the production of 2,5-dihydrofuran by isomerization of vinyl oxirane |
Aug. 1, 2000 |
| 5965472 |
Recovery of catalyst systems from diaryl carbonate-containing reaction solutions by suspension crystallization |
Oct. 12, 1999 |
| 5955394 |
Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids |
Sep. 21, 1999 |
| 5936130 |
Process for preparing a rhodium complex solution and process for producing an aldehyde |
Aug. 10, 1999 |
| 5908805 |
Preparation of transition metal/phosphine catalysts by hydrogen reduction |
Jun. 1, 1999 |
| 5882619 |
Preparation of a hydrogenation catalyst using M(OR).sub.m X.sub.n |
Mar. 16, 1999 |
| 5840643 |
Recovery of oxidation catalysts used for the production of trimellitic acid |
Nov. 24, 1998 |
| 5837635 |
Process for producing mixed oxide powders from deactivated denox catalysts |
Nov. 17, 1998 |
| 5756413 |
Process for recovering cobalt carbonyl catalysts used in the preparation of N-acyl-.alpha.-amino acid derivates by amidocarbonylation |
May. 26, 1998 |
| 5716895 |
Process for regeneration of catalysts |
Feb. 10, 1998 |
| 5693833 |
Process for the reactivation of iodine-containing catalysts |
Dec. 2, 1997 |
| 5648308 |
Process for upgrading metallocene catalysts |
Jul. 15, 1997 |
| 5618503 |
Antimony pentafluoride |
Apr. 8, 1997 |
| 5580991 |
Process for preparing butyrolactone and method for separating organic phosphorous-ruthenium complex as catalyst and reusing the same |
Dec. 3, 1996 |
| 5516735 |
Method for stabilizing rhodium compound |
May. 14, 1996 |
| 5484201 |
System for the recovery of oil and catalyst from a catalyst/oil mix |
Jan. 16, 1996 |
| 5463146 |
Process for preparing 1,3-propanediol |
Oct. 31, 1995 |
| 5463145 |
Process for preparing 1,3-propanediol |
Oct. 31, 1995 |
| 5463144 |
Process for preparing 1,3-propanediol |
Oct. 31, 1995 |
| 5431892 |
Process for recovering valuable metal from waste catalyst |
Jul. 11, 1995 |
| 5420088 |
Electrochemical catalyst recovery method |
May. 30, 1995 |
| 5385875 |
Method for stabilizing rhodium compound |
Jan. 31, 1995 |
| 5364822 |
Process for the recovery of group VIII noble metals |
Nov. 15, 1994 |
| 5302360 |
Method of working up antimony halide catalyst solutions |
Apr. 12, 1994 |
| 5290743 |
Process for regenerating a deactivated rhodium hydroformylation catalyst system |
Mar. 1, 1994 |
| 5238889 |
Process for the separation of oligomeric materials from a catalyst mixture |
Aug. 24, 1993 |
| 5232559 |
Separation of molybdenum |
Aug. 3, 1993 |
| 5216182 |
Preparation of mono epoxides and tertiary butyl alcohol using regenerated catalyst |
Jun. 1, 1993 |
| 5182241 |
Treating accumulated waste water from plastic substrates activated with Pd/Sn solutions |
Jan. 26, 1993 |
| 5124290 |
Process for removing metallic corrosion products from carbonylation reactions carried out under anhydrous conditions |
Jun. 23, 1992 |
| 5100850 |
Oxidative secondary rhodium recovery process |
Mar. 31, 1992 |
| 5101052 |
Molybdenum recovery |
Mar. 31, 1992 |
| 5093509 |
Removal of trace quantities of molybdenum |
Mar. 3, 1992 |
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