U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6205950

Pet Toilet-Like Water Disk and Food Storage

One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 502/203 - Boron halide


Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Composition in which the boron is chemically united to a
No. of patents: 56
Last issue date: 09/20/2005


1    
NumberTitleIssue Date
6946395Devices containing zirconium-platinum-containing materials and methods for preparing such materials and devices
Methods for forming materials containing both zirconium and platinum, such as platinum-zirconium films, and articles containing such materials. The resultant films can be used as electrodes in an integrated circuit structure, particularly in a memory device such as ...
09/20/2005
6858560Ethylene oxide catalyst
An ethylene oxide catalyst is provided which is essentially transition metal and rhenium free and which consists essentially of silver, alkali metal, sulfur and boron components on a support such as alumina, optionally with a fluorine or chlorine component. ...
02/22/2005
6806328Polymerization catalyst activator complexes and their use in a polymerization process
The present invention includes polymerization catalyst activator complexes which include at least Group 13 metals. The activator complexes of the invention are prepared, in general, by reacting a halogenated aryl Group 13 metal compound with a diol. The activator co...
10/19/2004
6774195Catalyst composition and process for preparing norbornene-type homopolymers or copolymers
A catalyst composition and process for preparing norbornene-type homopolymers or copolymers. The norbornene-type homopolymers or copolymers can be prepared using an in-situ catalyst composition including: (a) a transition metal compound of ML4, wherein M ...
08/10/2004
6635597Perfluoronaphthyl substituted boron containing catalyst activator
A catalyst activator particularly adapted for use in the activation of metal complexes of metals of Group 3-10 for polymerization of ethylenically unsaturated polymerizable monomers, especially olefins, comprising a neutral (Lewis acid) or charge separate...
10/21/2003
6613850Method for feeding boron compounds, fine particles of boron compounds, catalyst components for the polymerization of olefins comprising them, and processes for the production of the particles
A method for feeding a boron compound, which comprises feeding at least one boron compound selected from (1) to (3) described below in the state suspended or slurried in a solvent continuously to a reactor; a boron compound in the form of fine particles b...
09/02/2003
6562752Metallic sulphide catalysts, processes for synthesising said catalysts and use thereof
A catalyst containing a sulfide phase comprising (a) sulfur (b) and at least one element A selected form group IIIB, including the lanthanides and actinides, group IVB and group VB, and optionally (c) at least one element B selected from group VIIB and gr...
05/13/2003
6562917Method for preparing polybutadiene having controlled molecular weight and high 1,4-cis content
A method for preparing polybutadiene having controlled molecular weight and high 1,4-cis content over 95% in the presence of a diethylzinc compound as a cocatalyst (i.e., alkylating agent) and molecular-weight-controlling agent, in which the molecular wei...
05/13/2003
6476164Carbenium cationic complexes suitable for polymerization catalysts
This description addresses a process for the preparation of polyolefins from one or more olefinic monomers comprising combining under polymerization conditions said olefins with the product of combining i) an organometallic catalyst compound and ii) a coc...
11/05/2002
6432867Process for sulfurizing catalysts in a reducing medium
Sulfided catalysts produced by sulfurizing supported catalysts containing at least one element selected from group IIIB, including the lanthanides and actinides, group IVB and group VB, wherein the catalyst is brought into contact with at least one source...
08/13/2002
6350715Preparation of an activated catalyst using an inert gas in the absence of hydrogen
The invention pertains to a process for preparing an activated catalyst, to the activated catalyst composition and the use thereof in the conversion of hydrocarbon feedstocks, such as isomerisation. The catalyst composition comprising a Group VIII noble m...
02/26/2002
6316382Process for sulphurizing catalysts by reduction followed by sulphurization
The invention concerns a process for sulphurizing supported catalysts containing at least one element selected from group IIIB, including the lanthanides and actinides, group IVB, group VB and group VIB, said process being characterized in that said catal...
11/13/2001
6262202Noncoordinating anions for olefin polymerization
Bulky noncoordinating anions that are surprisingly stable under olefin polymerization conditions such that olefin polymers can be prepared with unexpectedly high molecular weights at high catalyst efficiencies. Thus the invention is directed to an olefin ...
07/17/2001
6242378Process for sulphurizing catalysts in the presence of carbon and elemental sulphur
The invention concerns a process for sulphurising supported catalysts containing at least one element selected from group IIIB, including the lanthanides and actinides, group IVB and group VB, said process being characterized in that said catalyst is sulp...
06/05/2001
6232420Polymers from ionic metallocene catalyst compositions
Ionic catalyst compositions can be prepared by combining two components. The first component is a bis(cyclopentadienyl) Group IV-B metal complex containing at least one ligand which will combine irreversibly with the second component or at least a portion...
05/15/2001
6218488Polymerization process for olefin copolymers using bridged hafnocene compounds
The invention is a polymerization process for ethylene copolymers having a density less than 0.915 comprising contacting ethylene, one or more ଱-olefin monomer, and optionally one or more diene monomer, with a catalyst composition comprising the rea...
04/17/2001
6194345Process for activating halogenated catalysts, catalysts obtained by this process, and use of these catalysts in acid catalyst processes
The invention relates to a process of activating a supported acid catalyst, and consists in the conversion of Lewis acid-type acid sites which are deposited on a solid substrate into activated acid sites in a non-oxydizing acid medium. The catalyst is exp...
02/27/2001
5869723Ionic compound and olefin polymerization catalyst containing the same
Ionic compounds represented by general formula (I), method of their production, olefin polymerization catalyst components, and olefin polymerization catalysts containing the components are provided. ›M(R1)k (R2)1 (R...
02/09/1999
5817593Catalyst and process for producing amines
This invention includes catalysts comprising rhenium (atomic number 75), nickel, cobalt, boron and copper and/or ruthenium impregnated on a support material and a process for preparing said catalyst, said process comprising (i) impregnating a mixture of m...
10/06/1998
5814715Amorphous olefin polymers, copolymers, methods of preparation and derivatives thereof
The present invention includes related methods and uses, including composition comprising the polymer derived from a monomer having the formula: H2 C.dbd.CHR; (1) and optionally at least one monomer selected f...
09/29/1998
5789335Supported Lewis acid catalysts for hydrocarbon conversion reactions
A supported Lewis acid catalyst, which comprises an inorganic oxide substrate having immobilized thereon at least one Lewis acid and a modifying agent containing at least one functional moiety capable of reacting with surface hydroxyl groups originally pr...
08/04/1998
5741753Nitrate-free catalyst for the wash-and-wear finishing of textiles
Essentially nitrate-free catalyst for the wash-and-wear finishing of textiles with formaldehyde-free crosslinkers, comprising magnesium, tetrafluoroborate, chloride and sulfate ions in the molar weight ratios of (a) Mg2+ : BF4-...
04/21/1998
5739074Metal cation-modified alkylation catalysts
A catalytic composite of a refractory inorganic oxide whose bound surface hydroxyl group has reacted with a Friedel-Crafts type metal halide and whose acidity has been modified by the deposition of a monovalent metal cation, especially an alkali metal cat...
04/14/1998
5731256Alkylation catalyst for C4 -C5 isoparaffins using at least one C2 -C6 olefin
The present invention concerns a catalyst comprising a porous organic or mineral support, preferably silica, and an acidic phase containing B(OSO2 CF3)3 and at least one acid selected from the group formed by sulphuric aci...
03/24/1998
5703201Catalyst for polymerization of polyketone formed by treatment with carbon monoxide and olefin
A process for the synthesis of a catalyst for the polymerization of carbon monoxide and at least one olefin which comprises treating a mixture of a compound of palladium, such as tetrakis(acetonitrile) palladium, and a Lewis acid anion, such as a fluoride...
12/30/1997
5561095Supported lewis acid catalysts for hydrocarbon conversion reactions
A supported Lewis acid catalyst system for catalyzing hydrocarbon conversion reactions including cationic polymerization, alkylation, isomerization and cracking reactions is disclosed, wherein the catalyst system comprises an inorganic oxide support havin...
10/01/1996
5506316Carbocationic catalysts and process for using said catalysts
A living carbocationic catalyst composition comprising an initiator of a tertiary alkyl halide, a tertiary aralkyl halide or polymeric halide a co-initiator of a methylaluminum or methylboron compound, and a solvent medium with a dielectric constant betwe...
04/09/1996
5489564Alkane disproportionation
A catalyst useful in the disproportionation of alkanes is provided comprising an acid component having the formula HB(OSO2 CF3)4 and a support. A method for the disproportionation of C4 -C16 alkanes e...
02/06/1996
5438028Method of enhancing finished catalysts
A method of enhancing the activity of a catalyst for the hydroprocessing of hydrocarbons, comprising: (a) applying a modifying element dissolved in a solvent onto the surface of a finished catalyst; (b) drying said modified finished catalyst to remove all free...
08/01/1995
5246904Catalyst for the wash-and-wear finishing of textiles
A chloride-free catalyst for wash-and-wear finishing textiles with formaldehyde-free crosslinking agents contains magnesium and fluoroborate ions in a ratio of from 1:0.1 to 1:4 and guarantees odorless results....
09/21/1993
5173467Isoparaffin:olefin alkylation process and catalyst complex
The invention provides a catalyst complex for promoting alkylation of an isoparaffin with an olefin, said catalyst complex comprising the reaction product of Lewis acid and at least one fluorophosphoric acid; and, additionally, excess Lewis acid in concen...
12/22/1992
5151400Process for the activation of halogenated catalysts and catalysts obtained by said process for utilization in hydrocarbon conversion processes
The invention relates to a process for the preparation and activation of a catalyst, comprising a stage of fabricating a support consisting at least in part of at least one refractory oxide mineral, a stage of depositing on the support at least one metal ...
09/29/1992
5100851Stationary aqueous acid phase transition metal catalysts for reduction of aromatics
The present invention provides a catalyst for hydrogenation of aromatic compounds, which comprises a hydrophilic support material; and a stationary aqueous acid phase supported by the hydrophilic support material, the aqueous acid having a transition meta...
03/31/1992
5068490BF3-tertiary etherate complexes for isobutylene polymerization
Disclosed herein are boron trifluoride etherate complexes in which the ether of the complex has at least one tertiary carbon bonded to an ether oxygen. The etherates are useful for polymerizing a one-olefin or mixtures thereof, preferably comprising isobu...
11/26/1991
5034368Process for the preparation of carboxylic acids or esters thereof
A process for the preparation of carboxylic acids or of esters thereof by contacting an olefinically unsaturated compound with CO in the presence of water or an alcohol, respectively, and of a catalytic system prepared by combining a ruthenium compound an...
07/23/1991
4983425Vapor phase hardening of curable organic compounds
This invention relates to a process for hardening a curable normally liquid hydrocarbon compound optionally substituted with an alkyloxy, ester aldehyde, amido, halo, sulfonate, sulfate, sulfite, mercapto or nitro group and containing at least one functio...
01/08/1991
4982042Process for manufacture of olefin oligomer
A process for the manufacture of an olefin oligomer, comprising the steps of polymerizing an olefin monomer in the presence of boron trifluoride and a boron trifluoride-alcohol complex as catalysts, to prepare a first oligomerization product, and then car...
01/01/1991
4973743Process for the production of polybasic acid esters with recovery of boron trifluoride
This invention provides a process for preparing an oligomer of at least one polyunsaturated aliphatic C12-22 monocarboxylic acid ester in the presence of boron trifluoride resulting in a high yield or predominantly trimeric product which, upon ...
11/27/1990
4950386Acidic promotion of transition metal sulfide catalysts for selective hydrogenation
It has now been discovered that hydrocarbon feeds containing a polycyclic aromatic compound or mixtures thereof can be selectively hydrogenated by contacting the feed with a transition metal catalyst and hydrogen in the presence of an acid to provide a hy...
08/21/1990
4517386Process for the rearrangement of epoxides
Terminal epoxides, also known as alpha-epoxides or 1,2-epoxides, are rearranged predominantly to the corresponding aldehydes using a catalyst system consisting of lithium tetrafluoroborate in a polyether solvent....
05/14/1985
1    
 
Sign InRegister
Username  
Password   
forgot password?