Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
Class Information
Number: 502/33
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 > Organic liquid > Oxygen containing
Description: Process in which the organic material contains element number 8.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
5625114 Process for the recovery of spent acid catalyst Apr. 29, 1997
5620936 Recovery of spent catalyst Apr. 15, 1997
5472921 Process for the recovery of spent fluorinated sulphonic acid catalyst in an alkylation process Dec. 5, 1995
5468701 Process for regenerating spent acid-activated bentonite clays and smectite catalysts Nov. 21, 1995
5397756 Process for the presulphurization of hydrocarbon treatment catalysts Mar. 14, 1995
5389592 Method of enhancing the activity of regenerated catalysts Feb. 14, 1995
5358915 Process for regenerating spent acid-activated bentonite clays and smectite catalysts Oct. 25, 1994
5326923 Method for regenerating certain acidic hydrocarbon conversion catalysts by solvent extraction Jul. 5, 1994
5314851 Reactivation of solid oxidation catalysts May. 24, 1994
5260239 External catalyst rejuvenation system for the hydrocarbon synthesis process Nov. 9, 1993
5254705 Process for producing desulfurized fats and oils or fatty acid esters and process for producing alcohols by using said desulfurized fats and oils or fatty acid esters Oct. 19, 1993
5250483 Method for treatment of catalysts using denitrifying bacteria Oct. 5, 1993
5230791 Process for the reactivation of spent alumina-supported hydrotreating catalysts Jul. 27, 1993
5223464 Process for regenerating a catalyst used in production of olefins by catalytic ether decomposition Jun. 29, 1993
5216182 Preparation of mono epoxides and tertiary butyl alcohol using regenerated catalyst Jun. 1, 1993
5208194 Recovery of group VIII transition metals from organic solutions using acidic ion-exchange resins May. 4, 1993
5143873 Process for activation or regeneration of nickel catalyst Sep. 1, 1992
5139983 Process for the presulphurization of a hydrocarbon treatment catalyst Aug. 18, 1992
5071802 Regeneration of catalysts by burning in the presence of alcohols Dec. 10, 1991
5070064 Catalyst pretreatment method Dec. 3, 1991
5068477 Process for reducing a refining catalyst and use of the catalyst in hydrogenation Nov. 26, 1991
5043518 Process for regenerating a catalyst and resultant regenerated catalyst and production of olefins by catalytic ether decomposition using regenerated catalyst Aug. 27, 1991
5026474 Process for the fixed-bed sweetening of petroleum fractions Jun. 25, 1991
5002914 Process for purifying and recovering the contaminated catalyst solution arising in the carbonylation of methanol and/or methyl acetate and/or dimethyl ether Mar. 26, 1991
4999326 Palladium catalyst reactivation Mar. 12, 1991
4985383 Process for removing metallic corrosion products from a contaminated catalyst solution produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether Jan. 15, 1991
4983558 Process for presulfurizing a hydrocarbon treatment catalyst Jan. 8, 1991
4982043 Organic solvent treatment for catalysts and olefin dimerization processes therewith Jan. 1, 1991
4954467 Passivation of metal contaminated cracking catalysts using aqueous suspensions of antimony oxide Sep. 4, 1990
4939109 Passivation of metal contaminated cracking catalysts Jul. 3, 1990
4927795 Passivation of metal contaminated cracking catalysts May. 22, 1990
4849189 Vandium recovery process Jul. 18, 1989
4800186 Regeneration of fluorocarbonsulfonic acid catalysts Jan. 24, 1989
4794098 Process for the stabilization of activated catalyst masses Dec. 27, 1988
4746640 Process for purifying and recovering catalyst solution contaminated during the carbonylation of methyl acetate and/or dimethylether May. 24, 1988
4735749 Production of acetyl compound Apr. 5, 1988
4719195 Process for presulfurizing a hydrogen treatment catalyst Jan. 12, 1988
4714688 Process for regenerating used catalysts by means of hydrogen peroxide aqueous solution stabilized with an organic compound Dec. 22, 1987
4661463 Preparation of soluble molybdenum catalysts for epoxidation of olefins Apr. 28, 1987
4659682 Recovery of noble metal values from carbonylation residues Apr. 21, 1987
4650649 Catalyst recovery process Mar. 17, 1987
4649127 Process for hydrogenative reactivation of spent catalysts Mar. 10, 1987
4629711 Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether Dec. 16, 1986
4612293 Upgrading of spent butane isomerization catalyst to pentane isomerization catalyst Sep. 16, 1986
4598057 Regeneration of soluble molybdenum catalysts from spent catalyst streams Jul. 1, 1986
4562165 Regenerating sorbents Dec. 31, 1985
4557760 Process for recovering noble metals belonging to group VIII of the Periodic System of the elements from a contaminated catalyst solution originating from the carbonylation of methyl acetate an Dec. 10, 1985
4556644 Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether Dec. 3, 1985
4552854 Removal of arsenic compounds from spent catecholated polymer Nov. 12, 1985
4550090 Regeneration of ZSM-5 type catalyst with a source of alkali or alkaline earth metal cations or ammonia Oct. 29, 1985

1 2 3










 
 
  Recently Added Patents
Digital broadcasting system and method of processing data in digital broadcasting system
Personal IP toll-free number
ZNF217 a new prognostic and predictive biomarker of recurrent invasive and metastatic phenotypes in breast cancer
(-)-epigallocatechin gallate derivatives for inhibiting proteasome
Container
Diameter signaling for mobile IPv4
Interactivity model for shared feedback on mobile devices
  Randomly Featured Patents
Pulse arc welding machine disabled during short-circuits
Arrangement in a current detection circuit
Process for preparing polyether polyols
Method and apparatus for wrist arthroplasty
Electrostatic discharge (ESD) protective device for integrated circuit packages with no-connect pins
Liquid crystal display
Process for producing a catalyst for oxidizing carbon monoxide and air filter produced by the process
Method for administering immunopotentiator
Device for detecting a variable for a process fluid via differential measurement
UWB dual tunnel diode detector for object detection, measurement, or avoidance