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Class Information
Number: 502/164
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Organic compound containing > Organic phosphorus or nitrogen, except the ammonium ion > Quaternary ammonium or phosphonium
Description: Composition in which the nitrogen or phosphorus has four valence satisfied by organic moieties.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6462156 |
Catalyst activators comprising expanded anions |
Oct. 8, 2002 |
| 6436865 |
Liquid catalyst for crosslinking with an amino resin |
Aug. 20, 2002 |
| 6420587 |
Catalyst system for producing aromatic carbonates |
Jul. 16, 2002 |
| 6407027 |
Catalyst composition and method for producing diaryl carbonates, using bisphosphines |
Jun. 18, 2002 |
| 6395671 |
Catalyst activators comprising expanded anions |
May. 28, 2002 |
| 6387842 |
Process for preparing oxygenates and catalysts therefor |
May. 14, 2002 |
| 6346324 |
Cis-bridged metal complexes and catalyst systems containing the same |
Feb. 12, 2002 |
| 6331502 |
Catalyst system containing a semilabile anionic ligand and a use of such catalyst system to produce .alpha., .beta., -unsaturated carboxylic acids and their esters |
Dec. 18, 2001 |
| 6313317 |
Ruthenium-phosphine complex and method for producing the same |
Nov. 6, 2001 |
| 6291387 |
Transition metal-free olefin polymerization catalyst |
Sep. 18, 2001 |
| 6255537 |
Process for preparing poly(alkylene oxide) |
Jul. 3, 2001 |
| 6235865 |
Phosphonium borate compound, making method, curing catalyst, and epoxy resin composition |
May. 22, 2001 |
| 6215032 |
Catalyst recovery for halogen exchange reactions |
Apr. 10, 2001 |
| 6197991 |
Method and catalyst system for producing |
Mar. 6, 2001 |
| 6177538 |
Method for producing tetrabutyl ammonium phenolate diphenol adduct |
Jan. 23, 2001 |
| 6156867 |
Polyester polymerization catalyst, a production method thereof, and a polyester production method using said catalyst |
Dec. 5, 2000 |
| 6136746 |
Poly-oxyanions as anchoring agents for metal complexes |
Oct. 24, 2000 |
| 6127301 |
Catalyst system and method for reaction of olefin |
Oct. 3, 2000 |
| 6127307 |
Catalyst composition free from noble metals |
Oct. 3, 2000 |
| 6121185 |
Highly soluble olefin polymerization catalyst activator |
Sep. 19, 2000 |
| 6121184 |
Supported bis(phosphorus) ligands |
Sep. 19, 2000 |
| 6114272 |
Catalyst of rhodium and a non-aqueous ligand liquid for preparation of aldehydes |
Sep. 5, 2000 |
| 6114563 |
Method and catalyst system for producing aromatic carbonates |
Sep. 5, 2000 |
| 6114589 |
Process for the preparation of fluorinated aromatic compounds |
Sep. 5, 2000 |
| 6107232 |
Polymerization catalyst and process for preparing polymer by use of same |
Aug. 22, 2000 |
| 6103867 |
Catalyst systems for producing copolymers of carbon monoxide and olefinically unsaturated compounds |
Aug. 15, 2000 |
| 6096673 |
Catalyst recovery in the production of 2,5-dihydrofuran by isomerization of vinyl oxirane |
Aug. 1, 2000 |
| 6096680 |
Liquid clathrate compositions |
Aug. 1, 2000 |
| 6054407 |
Peroxo-containing metal complexes having amine oxide, phosphine oxide, arsine oxide, pyridine N-oxide or pyridine ligands as epoxidation catalysts |
Apr. 25, 2000 |
| 6040262 |
Catalyst and use thereof |
Mar. 21, 2000 |
| 6040263 |
Catalytic composition based on transition metal complexes, and a process for the hydrogenation of unsaturated compounds |
Mar. 21, 2000 |
| 6025295 |
Supported catalysts |
Feb. 15, 2000 |
| 5990352 |
Phosphazenium salt and preparation process thereof, and process for producing poly(alkylene oxide) |
Nov. 23, 1999 |
| 5981423 |
Process for preparing vulcanization promoter for fluorine-containing elastomers |
Nov. 9, 1999 |
| 5972825 |
Substituted diphenyldiphosphines and a process for their preparation |
Oct. 26, 1999 |
| 5916432 |
Process for dispersing transition metal catalytic particles in heavy oil |
Jun. 29, 1999 |
| 5914044 |
Immobilized branched polyalkyleneimines |
Jun. 22, 1999 |
| 5821322 |
Diaminoalkyl quaternary ammonium salts and method for their preparation and use |
Oct. 13, 1998 |
| 5817592 |
Process for the preparation of a hydrogenation catalyst |
Oct. 6, 1998 |
| 5804525 |
Method for making polycarbonates |
Sep. 8, 1998 |
| 5750455 |
Catalytic composition and process for the alkylation of aliphatic hydrocarbons |
May. 12, 1998 |
| 5744416 |
Catalyst system for polycarbonate manufacture |
Apr. 28, 1998 |
| 5739257 |
Binary phase transfer/amine catalyst for making aromatic polycarbonates |
Apr. 14, 1998 |
| 5736621 |
Process for the preparation of polyesters and copolyesters, the products prepared by this process and their use |
Apr. 7, 1998 |
| 5731460 |
Oxidative cleavage of alkenes with a catalyst system containing a source of molybdenum, a source of rutlenium and a phase transfer agent |
Mar. 24, 1998 |
| 5693585 |
Aliphatic alkylation catalyst comprising an active phase containing a cuprous compound on a support |
Dec. 2, 1997 |
| 5681790 |
Catalyst for preparing methacrylic acid |
Oct. 28, 1997 |
| 5625107 |
Catalyst for conversion of methane to ethylene, preparation thereof, and process for manufacturing ethylene using said catalyst |
Apr. 29, 1997 |
| 5625027 |
Branched polycarbonate |
Apr. 29, 1997 |
| 5593932 |
Process for sweetening a sour hydrocarbon fraction using a mixture of a supported metal chelate and a solid base |
Jan. 14, 1997 |
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