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Class Information
Number: 502/12
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Including ion exchanging, except zeolites or product thereof > For regenerating or rehabilitating catalyst or sorbent
Description: Process, , of treating a composition which has been in use, to restore it to a state of intended function.

Patents under this class:

Patent Number Title Of Patent Date Issued
8492603 Selectivated isoolefin dimerization using metalized resins Jul. 23, 2013
8262753 Apparatus for generating hydrocarbon fuel Sep. 11, 2012
8242040 Process for the removal of corrosion metals from carbonylation catalyst solutions Aug. 14, 2012
7838454 Method and apparatus for desorbing material Nov. 23, 2010
7736613 Modification process of synthetic silica powder and its quartz glass product Jun. 15, 2010
7329624 Regenerable adsorbents for the purification of silicone based solvents Feb. 12, 2008
6403734 Organometallic fluorenyl compounds, preparation, and use Jun. 11, 2002
6001762 Reactivation of perfluorinated ion-exchange microcomposite catalysts Dec. 14, 1999
5955394 Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids Sep. 21, 1999
5731252 Process for improving productivity of a carbonylation catalyst solution by removing corrosion metals Mar. 24, 1998
5502016 Method to treat an ion-exchanger catalyst for the process of bisphenol-A synthesis Mar. 26, 1996
5470809 Method to treat an ion-exchanger catalyst for the process to synthesize alkylphenols Nov. 28, 1995
5306859 Alkylation catalyst regeneration utilizing polyvinylpyridine and amine substituted styrene divinylbenzene copolymer contact materials Apr. 26, 1994
5250483 Method for treatment of catalysts using denitrifying bacteria Oct. 5, 1993
5208194 Recovery of group VIII transition metals from organic solutions using acidic ion-exchange resins May. 4, 1993
5124290 Process for removing metallic corrosion products from carbonylation reactions carried out under anhydrous conditions Jun. 23, 1992
5051202 Process for bleaching and increasing the ion-exchange capability of sepiolite Sep. 24, 1991
4985133 Reducing NO.sub.x emissions from FCC regenerators by segregated cracking of feed Jan. 15, 1991
4929582 Hydrous oxide ion-exchange compound catalysts May. 29, 1990
4900520 Process for removal of soluble platinum group metal catalysts from liquid product mixtures Feb. 13, 1990
4894477 Process for regenerating a carbonylation catalyst solution to remove corrosion metals and carbonylation of methanol to acetic acid Jan. 16, 1990
4891130 Process for removing metals from aluminosilicate materials Jan. 2, 1990
4830997 Process for regenerating used catalysts by means of hydrogen peroxide aqueous solution stabilized with an organic compound May. 16, 1989
4714688 Process for regenerating used catalysts by means of hydrogen peroxide aqueous solution stabilized with an organic compound Dec. 22, 1987
4461714 Method of making crystalline 2-layer lithium aluminates in ion exchange resins Jul. 24, 1984
4312778 Membrane separation of catalyst metals from aromatic acid production Jan. 26, 1982
4298759 Separation of cobalt and manganese from trimellitic acid process residue by extraction, ion exchanger and magnet Nov. 3, 1981
4202797 Recovering catalyst values in reaction liquors from oxidative production of carboxylic and polycarboxilic acids May. 13, 1980
4162991 Recovering cobalt and bromide catalyst values using a strong anion exchange resin Jul. 31, 1979
4155877 Catalyst combustion regeneration process in downwardly moving bed with additional outlet responsive to gas flows May. 22, 1979
4122007 Reclaiming process for zeolite served for adsorbing ammoniacal nitrogen contained in sewage Oct. 24, 1978
4113754 Isolation and regeneration of rhodium-containing catalysts from distillation residues of hydroformylation reactions Sep. 12, 1978
4007130 Catalyst regeneration method Feb. 8, 1977

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