| Patent Number |
Title Of Patent |
Date Issued |
| 6054420 |
Synthetic biodegradable lubricants and functional fluids |
April 25, 2000 |
| Synthetic biodegradable lubricants and functional fluids containing 45-94 wt. % of an ester of a C.sub.5 -C.sub.10 acid as the base oil, 5-18% of a polyol ester of a C.sub.12 -C.sub.28 acid as a lubricity additive, and 1-35 wt. % of an additive package for lubricants and functional fluid |
| 6051746 |
Oxygenate conversions using modified small pore molecular sieve catalysts |
April 18, 2000 |
| The invention relates to a process for converting oxygenated organic material, to olefins using small pore molecular sieve catalysts. More particularly, the invention relates to a method for converting oxygenated organic material to olefins with improved the olefin yields and decreased |
| 6051674 |
Polymeric vehicles which include a phenol blocked isocyanate having aliphatic hydroxyl fucntiona |
April 18, 2000 |
| The present invention is directed to a polymeric vehicle, the formulated coating composition and a coating binder made from the polymeric vehicle and a method for making the polymeric vehicle where the polymeric vehicle includes a phenol blocked isocyanate having reactive aliphatic hydro |
| 6051653 |
Metal salts of acrylic or methacrylic acid as curatives for compositions containing halogenated |
April 18, 2000 |
| The invention provides for curable compositions containing a halogenated copolymer of a C.sub.4 to C.sub.7 isomonoolefin, e.g., isobutylene and a para-alkylstyrene, e.g., para-methylstyrene, and further containing an effective amount of a metal salt, e.g. zinc, of an unsaturated carboxyl |
| 6051537 |
Dispersant additive mixtures for oleaginous compositions |
April 18, 2000 |
| Novel dispersant mixtures are provided, having improved lubricating oil performance characteristics, comprising nitrogen or ester containing dispersants selected from the group consisting of oil soluble salts, amides, imides, oxazoline and esters or mixtures thereof, wherein a first |
| 6049011 |
Hydroformylation process |
April 11, 2000 |
| A dilute ethylene stream, e.g., one produced by steam cracking, is oxonated to yield propanal, without the need to separate other lower hydrocarbons. |
| 6046373 |
Catalytic conversion of oxygenates to olefins |
April 4, 2000 |
| A method for preparing a catalyst and the use of such catalyst for converting an oxygenate feed to olefins wherein the catalyst is modified or treated with the aid of electromagnetic energy. |
| 6043200 |
Oleaginous compositions |
March 28, 2000 |
| The compatibility with nitrile ester seals of lubricating compositions containing active sulphur-containing additives may be enhanced bt treating the additives, or concentrates containing them, or the composition themselves, with one or more olefinically unsaturated compounds selected |
| 6042808 |
Zeolites and processes for their manufacture |
March 28, 2000 |
| Low temperature hydrothermal treatment of an LTL zeolite-producing mixture produces a colloidal suspension of the zeolite; the suspension may be used as seeds in Al-- and Ga--LTL zeolite manufacture. |
| 6040264 |
Use of alkaline earth metal containing small pore non-zeolitic molecular sieve catalysts in oxyg |
March 21, 2000 |
| A method for converting starting material to olefins comprising contacting the starting material with a small pore non-zeolitic molecular sieve catalyst under effective conditions to produce olefins, wherein the non-zeolitic molecular sieve has been prepared in-situ or modified after |
| 6040259 |
Metal-containing zeolite catalyst, preparation thereof and use for hydrocarbon conversion |
March 21, 2000 |
| There is provided a zeolite bound zeolite catalyst which does not contain significant amounts of non-zeolitic binder and a process for converting hydrocarbons utilizing the zeolite bound zeolite catalyst. The catalyst comprises first zeolite, crystals, a binder comprising second zeolite |
| 6039864 |
Hydrocarbon conversion process using a zeolite bound zeolite catalyst |
March 21, 2000 |
| There is provided a process for converting hydrocarbons which utilizes a zeolite bound zeolite catalyst that has enhanced performance when utilized in hydrocarbon conversion processes, e.g., catalytic cracking, alkylation, disproportionation of toluene, isomerization, and transalkylation |
| 6037445 |
Process for the continuous production of functionalized polymers |
March 14, 2000 |
| A continuous process for functionalizing polymers is disclosed, wherein (A) a liquid comprising the polymer and a gas comprising a functionalizing agent are continuously introduced into a dispersing zone operated in laminar flow with high intensity mixing of the liquid and the gas under |
| 6036407 |
Solids conveying system for compacted, friable solids that can not be pushed or compressed |
March 14, 2000 |
| A gas conveying system capable of conveying a solid material without pushing or compressing the solid material. The system comprising: at least one conduit assembly comprising a conduit, a lance assembly disposed about a first end of the conduit which is capable of removing the solid mat |
| 6034039 |
Lubricating oil compositions |
March 7, 2000 |
| Complex detergents provide improved deposit control and corrosion protection in crankcase lubricants. |
| 6033555 |
Sequential catalytic and thermal cracking for enhanced ethylene yield |
March 7, 2000 |
| The invention provides a process for improving the conversion of a hydrocarbon feedstock to light olefins comprising the steps of first contacting the hydrocarbon feedstock with a light olefin producing cracking catalyst and subsequently thermally cracking the unseparated stream to p |
| 6030930 |
Polymers derived from ethylene and 1-butene for use in the preparation of lubricant disperant ad |
February 29, 2000 |
| The invention pertains to oil soluble copolymers derived from ethylene and 1-butene which have a number average molecular weight between about 1,500 and 7,500, at least about 30 percent of all polymer chains terminated with ethylvinylidene groups, and ethylene-derived content of not grea |
| 6028210 |
Process for making sulfur boron antiwear agents for lubricating compositions |
February 22, 2000 |
| Sulfur-containing boroester compounds useful as antiwear additives for oleaginous compositions including alicyclic borate thioesters having the general formula (I): ##STR1## wherein R.sub.1 is a hydrocarbyl radical having 4 to 12 carbon atoms, R.sub.2 and R.sub.3 are independentl |
| 6028144 |
Composition for the carcass |
February 22, 2000 |
| A composition, suitable for use in producing a tire carcass, is provided. The composition comprises a halogen-containing copolymer of a C.sub.4 to C.sub.7 isomonoolefin and a para-alkylstyrene; a rubber such as a blend of natural rubber and a copolymer of styrene and butadiene; carbon bl |
| 6022929 |
Amorphous olefin polymers, copolymers, methods of preparation and derivatives thereof |
February 8, 2000 |
| The present invention includes related methods and uses, including composition comprising the polymer derived from a monomer having the formula:and optionally at least one monomer selected from the group consisting of monomers having the formula:wherein R is a hydrocarbon or substituted |
| 6019956 |
Zeolites and processes for their manufacture |
February 1, 2000 |
| Colloidal Offretite, a process for its manufacture, and zeolite manufacture using it. |
| 6017859 |
Polymers derived from olefins useful as lubricant and fuel oil additives, processes for preparat |
January 25, 2000 |
| Polymers (including copolymers) derived from one or more olefins, such including ethylene and C.sub.3 -C.sub.20 .alpha.-olefins such as propylene and 1-butene, which polymers have (a) an average ethylene sequence length, ESL, of from about 1.0 to less than about 3.0; (b) an average of at |
| 6015441 |
Fuel composition |
January 18, 2000 |
| A fuel oil composition comprising: (A) a major proportion of a middle distillate petroleum fuel having a wax content of less than 2 wt % at 10.degree. C. below the wax appearance point of the fuel, and either: (i) a final boiling point of greater than 355.degree. C. and either a (90-20%) |
| 6013851 |
Catalyst having a core and surface layer and use of same in olefin oligomerization |
January 11, 2000 |
| A molecular sieve comprising a core having deposited thereon a surface layer, wherein the surface layer has a higher Si:Al ratio than that of the core, provides for lower branching in olefin oligomerization products. |
| 6013727 |
Thermoplastic blend containing engineering resin |
January 11, 2000 |
| A thermoplastic composition which may be unvulcanized or vulcanized is provided which comprises a polymer blend of an elastomeric thermoplastic engineering resin and a halogen-containing copolymer of a C.sub.4 to C.sub.7 isomonoolefin and a para-alkylstyrene. A process for preparing a |
| 6013594 |
Spray dried polymer for catalyst support |
January 11, 2000 |
| This invention relates to catalyst supports made by spray drying an emulsion polymerized latex and the novel supported catalysts utilizing these supports. This invention further relates to a method for forming supported catalysts by spray drying a latex of microparticles containing c |
| 6011189 |
Method of producing rigid foams and products produced therefrom |
January 4, 2000 |
| A thermosetting plastic foam solid formed from the reaction product of: (a) either polyisocyanate or isocyanate-based foam; (b) a polyol-based foam; (c) a catalyst which is capable of promoting the thermosetting reaction between the polyisocyanate or isocyanate-based foam and the polyol- |
| 6011120 |
Alkenyl silane functionalization of alkylstyrene homopolyers and copolymers |
January 4, 2000 |
| There is provided a method of introducing ethylenically unsaturated functionality, into an alkylstyrene homopolymer or copolymer with an isoolefin, at the alkylbenzyl carbon atom comprising the steps of: forming a solution of the polymer in a hydrocarbon solvent; adding to the polymer |
| 6010998 |
Cleaning composition containing pine oil extenders |
January 4, 2000 |
| Pine oil cleaning compositions containing as extenders C.sub.9 to C.sub.12 olefins, C.sub.9 to C.sub.12 alcohols and acetates thereof. The extenders permit replacement of a portion of the pine oil constituents in cleaning compositions while preserving bloom and cleaning characteristics. |
| 6010588 |
Polyolefin fibers and their fabrics |
January 4, 2000 |
| Novel fibers have been made of reactor grade isotactic poly-alpha-olefin wherein polypropylene is produced by single-site catalysis and has a melt flow rate of greater than zero to about 5,000, MWD in the range of about 1.0 to about 3.5. |
| 6010545 |
Fuel oil compositions |
January 4, 2000 |
| The lubricity of low sulphur fuels is enhanced by incorporation of a lubricity enhancing additive in combination with a polyoxyalkylene compound. |
| 6008426 |
Process for catalytic conversion of olefins |
December 28, 1999 |
| The conversion of n-olefins, particularly n-butene, by skeletal isomerization, or by dimerization optionally with cracking, may be selectively carried out using as a catalyst a molecular sieve, such as a zeolite or silica/alumina phosphate, which has been ion exchanged with a cation |
| 6008425 |
Process for isomerization of alkylaromatic hydrocarbons |
December 28, 1999 |
| A process for isomerizating a feed containing alkylaromatic hydrocarbons, e.g., monocyclic alkylaromatic hydrocarbons and/or bicyclic alkylaromatic hydrocarbons. The process is carried out by contacting the feed under conversion conditions with a zeolite bound zeolite catalyst which |
| 6008307 |
Process for producing olefin polymers using cationic catalysts |
December 28, 1999 |
| A cationic catalyst composition comprising a reactive cation and a compatible non-coordinating anion used at a temperature of 20.degree. C. or less to produce olefin polymers, particularly polyisobutylene is disclosed. |
| 6008282 |
High impact styrene/acrylonitrile polymer blend compositions |
December 28, 1999 |
| Styrene/acrylonitrile (SAN) resin compositions are provided having both improved room temperature impact properties as well as good weatherability. The compositions comprise a mixture of SAN resin, an elastomeric halogenated copolymer comprising a C.sub.2 to C.sub.12 monoolefin, e.g. |
| 6005135 |
Water-borne polymeric vehicle for coating compositions containing an amine or ammonium salt of p |
December 21, 1999 |
| Water-borne polymeric vehicles are described where the polymeric vehicle includes the amine or ammonium salt of a phenolic ester alcohol. |
| 6004910 |
Crankcase lubricant for modern heavy duty diesel and gasoline fueled engines |
December 21, 1999 |
| A lubricating oil having an ashless nitrogenous TBN source together with ash containing detergent having a TBN in excess of 100, a source of magnesium, and metal dihydrocarbyl dithiophosphate with predominantly or exclusively secondary hydrocarbyl groups is described. It comprises a |
| 6002057 |
Alkylation process using zeolite beta |
December 14, 1999 |
| A process for the alkylation of an aromatic compound with C.sub.2 to C.sub.4 olefin alkylating agent. A process to produce ethylbenzene by reaction of ethylene in stoichiometric or excess amount with benzene in the presence of a zeolite beta catalyst. This process is especially suita |
| 5998686 |
Process for producing aromatic compounds from aliphatic hydrocarbons |
December 7, 1999 |
| A dehydrocyclo-oligomerization process is provided for converting aliphatic hydrocarbons to aromatics by contacting the feedstock under conversion conditions which a zeolite bound zeolite catalyst. The zeolite bound zeolite catalyst comprises first zeolite crystals which are bound togeth |
| 5997760 |
Carboxylic acid esters and composition comprising them |
December 7, 1999 |
| Esters of 2,4-dimethylheptanoic and 2,4,6-trimethylnonanoic acids, and their use as lubricants and refrigerant oils. |
| 5994603 |
Methylation of toluene to para-xylene |
November 30, 1999 |
| A process is provided for the production of paraxylene by the methylation of toluene in the presence of a zeolite bound zeolite catalyst. The catalyst comprises first zeolite crystals which are bound together by second zeolite crystals. When used to methylate toluene to para-xylene, |
| 5994482 |
Polypropylene copolymer alloys and process for making |
November 30, 1999 |
| The present invention relates to polypropylene alloys which are especially suited for soft fiber and fabric applications. An embodiment of these alloys comprise an ethylene-propylene random copolymer having an ethylene content of from about 1.0 to 5.0% by weight, in an amount of from abo |
| 5994278 |
Blends of lubricant basestocks with high viscosity complex alcohol esters |
November 30, 1999 |
| A lubricating oil comprising an add mixture of the following components: (A) a complex alcohol ester basestock which comprises the reaction product of an add mixture of the following: (1) a polyhydroxyl compound represented by the general formula:wherein R is any aliphatic or cyclo-aliph |
| 5994277 |
Lubricating compositions with improved antioxidancy comprising added copper, a molybdenum contai |
November 30, 1999 |
| Crankcase lubricant compositions for use in automobile or truck engines comprise a major amount of a lubricating oil, added copper present in oil-soluble form, at least 2 ppm of molybdenum present in oil-soluble form, and a total of from 0.05 to 2 mass % of one or more oil-soluble ar |
| 5993642 |
Hydrocarbon conversion process using a zeolite bound zeolite catalyst |
November 30, 1999 |
| There is provided a process for converting hydrocarbons which utilizes a zeolite bound zeolite catalyst that has enhanced performance when utilized in hydrocarbon conversion processes, e.g., catalytic cracking, alkylation, disproportionation of toluene, isomerization, and transalkylation |
| 5993054 |
System and method for continuously and simultaneously injecting two or more additives into a mai |
November 30, 1999 |
| Additives are blended with a stream of liquid, for example of diesel fuel, by injecting at least two different additive compositions into the stream, and adjusting the rates of injection and the relative proportions of the injected additive compositions. This enables the consumption of a |
| 5981820 |
Isomerization of olefins in the presence of reactive impurities |
November 9, 1999 |
| A process and catalyst for isomerizing olefins are disclosed. The process and catalyst are particularly useful for isomerizing alkenyl bridged ring compounds to the corresponding alkyladiene bridged ring compounds. In one embodiment, the isomerization catalyst comprises an oxygen treated |
| 5981817 |
Xylene isomerization process |
November 9, 1999 |
| A process for isomerizing a nonequilibrium xylene feed mixture is disclosed. The isomerization is conducted in the presence of hydrogen and at pressures in excess of 75 psig over a ZSM-5 type catalyst containing about 0.1 to 5 wt % of at least one metal selected from the group consis |
| 5981643 |
Depression of the glass transition temperature of polyolefins containing cyclic monomers |
November 9, 1999 |
| Copolymers of ethylene and a cyclic olefin, preferably a fused ring cyclic olefin (FRCO), optionally containing an alpha-olefin and/or a non-conjugated diene, display increasing glass transition temperatures (T.sub.g) as the amount of FRCO in the copolymer increases. This increase br |
| 5980731 |
Naphtha reforming catalyst and process |
November 9, 1999 |
| The invention provides a crystalline type L zeolite reforming catalyst comprising cylindrically shaped crystals having a length of 0.6 microns or less and an average length: diameter ratio of less than about 0.5, the catalyst containing at least one Group VIII metal and from about 0.1 to |
