| Patent Number |
Title Of Patent |
Date Issued |
| 5609794 |
Demulsifier for water-in-oil emulsions, and method of use |
March 11, 1997 |
| A water-in-oil demulsifier is prepared by (a) reacting a high molecular weight polyalkylene glycol (PAG) with ethylene oxide (EO) to form a PAG/EO adduct, (b) esterifying the PAG/EO adduct with a diacid anhydride to form a diester, (c) reacting the diester with a vinyl monomer, and (d) |
| 5608029 |
Mannich base polymers |
March 4, 1997 |
| A process for producing an oil soluble interpolymer polymer of 1,2-alkylenediamine such as N-ethyl ethylenediamine, aldehyde-provider such as formaldehyde, and ortho-unsubstituted hydroxyaromatics such as 4-polyalkylene phenol is disclosed. The decyclized Mannich Base monomer units p |
| 5607890 |
Supported Lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactio |
March 4, 1997 |
| 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 having immobilized thereon a least |
| 5605880 |
Lubricating oil composition |
February 25, 1997 |
| A lubricating oil composition is provided which is obtained by containing in (A) a base oil in which the content of the aromatic ingredients is 3.0% by weight or less, N is 50 ppm by weight or less, S is 50 ppm by weight, and the viscosity is 2.0-50.0 mm.sup.2 /s, based on the total weig |
| 5605706 |
Meltblowing die |
February 25, 1997 |
| A meltblowing die assembly featuring a preassembled die tip assembly permitting the rapid exchange thereof. The preassembled die tip assembly includes a die tip having a triangular nosepiece, a member mounted on the die tip assembly for conforming the die tip to the die body, and a pair |
| 5602217 |
Process of polymerization using aged activators |
February 11, 1997 |
| This invention is generally directed toward a catalyst system useful for polymerizing olefins. The method for preparing the catalyst of the invention provides for combining a bulky ligand transition metal catalyst with an activator that has been aged, optionally with a support. The c |
| 5601747 |
Increasing the friction durability of power transmission fluids through the use of oil soluble c |
February 11, 1997 |
| A method of controlling the friction coefficients and improving the friction durability of an oleaginous compositions, such as an ATF, comprising adding to the composition a combination of competing additives comprising (a) at least one friction reducing chemical additive having a po |
| 5600055 |
Immobilized Lewis Acid catalysts |
February 4, 1997 |
| Immobilized Lewis Acid catalyst comprising polymer having at least one Lewis Acid immobilized within the structure therein, said polymer having monomer units represented by the structural formula: ##STR1## wherein a represents about 1 to about 99 mole %b represents about 0 to about 5 |
| 5600031 |
Process for preforming cobaltous salts using shell-type preformer catalysts |
February 4, 1997 |
| A process for preparing oxo alcohols and aldehydes by the cobalt catalyzed hydroformylation of C.sub.2 to C.sub.17 linear or branched monoolefins with subsequent hydrogenation of the hydroformylation product, in which oxo process aqueous solutions of cobalt salts are converted to active |
| 5599761 |
Ionic metallocene catalyst compositions |
February 4, 1997 |
| An ionic catalyst system component comprising a water-stable anion having a plurality of lipophilic radicals covalently coordinated to and shielding a central, formal charge bearing metal or metalloid atom, in which the lipophilic radicals of the anion include substituted aromatic radica |
| 5597866 |
Propylene polymer compositions having improved impact strength |
January 28, 1997 |
| Crystalline propylene polymer compositions having improved impact strength and improved clarity are disclosed. The composition is prepared by melt blending a propylene polymer, e.g., polypropylene, and from about 1 to 35 wt % of an elastomeric interpolymer of a C.sub.4 to C.sub.8 isomono |
| 5597506 |
Increasing the friction durability of power transmission fluids through the use of oil soluble c |
January 28, 1997 |
| A method of controlling the friction coefficients and improving the friction durability of an oleaginous compositions, such as an ATF, comprising adding to the composition a combination of competing additives comprising (1) at least one friction modifying chemical additive having a p |
| 5595963 |
Synergistic antioxidant combinations for lubricating oils |
January 21, 1997 |
| This invention provides synergistic combinations of dithioketals with hindered phenols, phosphite esters, or mixtures thereof. These combinations are useful antioxidants in lubricating oils. |
| 5595950 |
Polymerization catalyst systems, their production and use |
January 21, 1997 |
| This invention is generally directed toward a supported catalyst system useful for polymerizing olefins. The method for supporting the catalyst of the invention provides for a supported bulky ligand transition metal catalyst which when utilized in a polymerization process substantially |
| 5593466 |
Oil and fuel oil compositions |
January 14, 1997 |
| Crude oils, lubricating oils or fuel oils have their flow point improved by adding to the crude oil, lubricating oil or fuel oil a minor proportion by weight of a polymer containing the repeating units: ##STR1## where x is an integer and y is 0 or an integer and wherein in the total |
| 5591551 |
UV/EB curable butyl copolymers for lithographic and corrosion-resistant coating applications |
January 7, 1997 |
| A lithographic coating and method of framing a lithographic image are disclosed. The method comprises coating at least a portion of a surface of an article with a radiation-crosslinkable polymer, and exposing the coated surface to a pattern of radiation to crosslink the polymer in a |
| 5588972 |
Adducts of quinone compounds and amine-containing polymers for use in lubricating oils and in fu |
December 31, 1996 |
| Adducts useful as fuel or lubricating oil additives are disclosed. The adducts comprise the reaction product of at least one quinone compound and an amine-containing polymeric material comprising at least one member selected from the group consisting of (i) a first amine-containing polym |
| 5587498 |
Method for amide preparation |
December 24, 1996 |
| A method for amidation of carboxylic acids using a supported transition metal catalyst. The amides prepared by this inventive method are available in high-yield and excellent purity, without catalytic residue. |
| 5587261 |
UV/EB curable butyl copolymers for lithographic and corrosion-resistant coating |
December 24, 1996 |
| A lithographic coating and method of framing a lithographic image are disclosed. The method comprises coating at least a portion of a surface of an article with a radiation-crosslinkable polymer, and exposing the coated surface to a pattern of radiation to crosslink the polymer in a |
| 5585416 |
UV/EB curable butyl copolymers for lithographic and corrosion-resistant coating applications |
December 17, 1996 |
| A lithographic coating and method of framing a lithographic image are disclosed. The method comprises coating at least a portion of a surface of an article with a radiation-crosslinkable polymer, and exposing the coated surface to a pattern of radiation to crosslink the polymer in a |
| 5585225 |
UV/EB curable butyl copolymers for lithographic and corrosion-resistant coating applications |
December 17, 1996 |
| A lithographic coating and method of framing a lithographic image are disclosed. The method comprises coating at least a portion of a surface of an article with a radiation-crosslinkable polymer, and exposing the coated surface to a pattern of radiation to crosslink the polymer in a |
| 5585031 |
Increasing the friction durability of power transmission fluids through the use of oil soluble c |
December 17, 1996 |
| A method of controlling the friction coefficients and improving the friction durability of an oleaginous compositions, such as an ATF, comprising adding to the composition a combination of competing additives comprising (a) at least one friction reducing chemical additive having a po |
| 5585030 |
Increasing the friction durability of power transmission fluids through the use of oil soluble c |
December 17, 1996 |
| A method of controlling the friction coefficients and improving the friction durability of an oleaginous compositions, such as an ATF, comprising adding to the composition a combination of competing additives comprising (a) at least one friction reducing chemical additive having a po |
| 5582761 |
Increasing the friction durability of power transmission fluids through the use of oil soluble c |
December 10, 1996 |
| A method of controlling the friction coefficients and improving the friction durability of an oleaginous compositions, such as an ATF, comprising adding to the composition a combination of competing additives comprising (1) at least one friction modifying chemical additive having a p |
| 5580939 |
Process and catalyst for polyolefin density and molecular weight control |
December 3, 1996 |
| Catalysts comprising (a) derivatives of mono, bi and tricyclopentadienyl coordination complexes with a transition metal and (b) an alumoxane are employed in a process of producing polyolefins of controlled molecular weight. |
| 5580935 |
Functionalized polymer and method to obtain functionalized polymer |
December 3, 1996 |
| This invention relates to functionalized polymers and a method to obtain them comprising combing a living polymer or a polymer having a terminal halide with an alkylsilylpseudohalide. |
| 5580484 |
Lubricating oil dispersants derived from hydroxy aromatic succinimide Mannich base condensates o |
December 3, 1996 |
| The present invention is directed to lubricating oil and fuel dispersants comprising hydroxy aromatic succinimide Mannich Base condensates of heavy polyamine. A heavy polyamine is a mixture of polyalkylenepolyamines comprising small amounts of lower polyamine oligomers such as tetrae |
| 5578682 |
Bimodalization of polymer molecular weight distribution |
November 26, 1996 |
| The present invention provides a post-polymerization process for modifying the molecular weight distribution of a polymer having a monomodal molecular weight distribution, which polymer normally exhibits a decrease in molecular weight when subjected to high shear mixing in the presence o |
| 5578652 |
Method of producing rigid foams and products produced therefrom |
November 26, 1996 |
| A thermosetting plastic foam solid is obtained using a blowing agent comprised at least partially from depolymerization of dicyclopentadiene into essentially pure cyclopentane. This unique hydrocarbon is miscible in polyester polyols, where others, such as extracted cyclopentane, are not |
| 5578237 |
Gel-free .alpha.-olefin dispersant additives useful in oleaginous compositions |
November 26, 1996 |
| Gel-free dispersant additives for lubricating and fuel oil compositions comprise at least one adduct of (A) .alpha.-olefin homopolymer or interpolymer of 700 to 10,000 number average molecular weight, free radically grafted with an average of from about 0.5 to about 5 carboxylic acid |
| 5578091 |
Chemical compositions and their use as fuel additives |
November 26, 1996 |
| Compounds of general formula (I) wherein X and Y are the same or different and are selected from the group consisting of SO.sub.3 (--), --CO--, --C(O)O(--), --R.sup.4 --C(O)O--, --NR.sup.3 C(O)--, --R.sup.4 O--, --R.sup.4 --C(O)O--, --R.sup.4 -- and --NC(O)--, R.sup.4 being --(CH.sub |
| 5576373 |
Composite tire innerliners and inner tubes |
November 19, 1996 |
| Tire innerliners and inner tubes are prepared from blends of general purpose rubbers and silicate clay. The clays provide the requisite low air permeability without adversely affecting the flexibility of the rubber composition. |
| 5576372 |
Composite tire innerliners and inner tubes |
November 19, 1996 |
| Tire innerliners and inner tubes are prepared from blends of general purpose rubbers and silicate clay. The clays provide the requisite low air permeability without adversely affecting the flexibility of the rubber composition. |
| 5576274 |
Fuel and lubricant additives derived from dihydroxy-aromatic compounds |
November 19, 1996 |
| The present invention relates to a novel process for the production of fuel and lubricant additives useful as dispersants and multifunctional viscosity modifiers wherein a dihydroxyaromatic compound is alkylated with an olefinic polymer and then aminated in such a manner as to oxidize th |
| 5574084 |
Ethylene based hot melt adhesives and modifiers for those hot melt adhesives |
November 12, 1996 |
| Modifiers for ethylene copolymers for use in hot melt adhesives are provided, particularly modifiers for ethylene vinyl acetate-based adhesives which improve adhesive properties are provided. Blends comprising ethylene copolymers, modifiers and tackifiers and applications thereof are |
| 5571950 |
Method for testing soot-related viscosity increase |
November 5, 1996 |
| A method for testing a sample for soot-related viscosity increase comprising: (a) preparing the sample which comprises a major amount of an oil of lubricating viscosity, (b) measuring the viscosity of the sample (c) preparing a stable sample/paste dispersion of the sample and a carbon |
| 5571885 |
Immobilized lewis acid catalysts |
November 5, 1996 |
| Immobilized Lewis Acid catalyst comprising polymer having at least one Lewis Acid immobilized within the structure therein, said polymer having monomer units represented by the structural formula:whereina represents about 1 to about 99 mole %b represents about 0 to about 50 mole %c represent |
| 5571883 |
Elastomeric vehicle vibration damping devices |
November 5, 1996 |
| Motor vehicle vibration damping parts based on an ethylene, alpha-olefin, vinyl norbornene elastomeric polymer are manufactured with more efficiency due to vibration damping part compounds having lower viscosity, easier processing than ethylene, alpha-olefins, diene monomer compounds, wh |
| 5571868 |
Calendered elastomeric articles |
November 5, 1996 |
| Ethylene, alpha-olefin, non-conjugated bicyclic diene elastomeric polymers and/or polymer blends when compounded and formed into a calendered sheet, show surprising improvements for the combination in both green strength and peel adhesion in the unvulcanized state. Such green strength an |
| 5571867 |
Hydrocarbon resins, processes for their manufacture and adhesive compositions containing such re |
November 5, 1996 |
| The invention relates to a hydrogenated hydrocarbon resin of a softening point from 75.degree. to 110.degree. C. having an Mw/Mn of less than 2 as determined by GPC, an aromaticity level of from 15 to 25%, and a melt viscosity in mPa.s at a shear rate of 50 sec.sup.-1 of less than 500 |
| 5571619 |
Fibers and oriented films of polypropylene higher .alpha.-olefin copolymers |
November 5, 1996 |
| A propylene, .alpha.-olefin copolymer, where the .alpha.-olefin has 5 or more carbon atoms made with a metallocene catalyst system provides substantially higher cold flow resistance from when the propylene copolymer is made with an .alpha.-olefin having 4 or less carbon atoms. Other |
| 5569804 |
Method to recover cyclic diolefin monomer from its dimer in the production of alkenyl bridged ri |
October 29, 1996 |
| The present invention relates to a method for using a single distillation column to recover the reactants and products from the reaction of a cyclic diolefin and an olefin to produce an alkenyl bridged ring compound. |
| 5567775 |
Craft curing of modified isomonoolefin/para-alkylstyrene copolymers |
October 22, 1996 |
| This invention provides for curable and graft-cured polymer compositions prepared from a mixture comprising:a) an elastomeric copolymer containing from about 0.01 up to about 10 mole % of Y ester groups randomly distributed along and pendant to the elastomeric polymer chain, said Y ester |
| 5567344 |
Gel-free dispersant additives useful in oleaginous compositions, derived from functionalized and |
October 22, 1996 |
| Gel-free dispersant additives for lubricating and fuel oil compositions comprise at least one adduct of (A) .alpha.-olefin homopolymer or interpolymer of 700 to 10,000 number average molecular weight, free radically grafted with an average of from about 0.5 to about 5 carboxylic acid |
| 5565250 |
Multi-layer film |
October 15, 1996 |
| A multi-layer film comprising a thermoplastic barrier layer, and a seal layer. The seal layer being an ethylene copolymer, having in the range of from about 5 to about 12 mol percent of a comonomer selected from the group consisting of vinyl acetate, ethyl acrylate, methyl acrylate and |
| 5565161 |
Process for producing a functionalized thermoplastic polymer |
October 15, 1996 |
| Multiple sequential chemical reactions on a polymeric feedstock are carried out in an extruder with multiple reaction zones. Each reaction zone has means for introduction of reagents, for mixing of reagents with polymer and for removal of by/co-products or unreacted reagents. |
| 5565128 |
Lubricating oil mannich base dispersants derived from heavy polyamine |
October 15, 1996 |
| An oil-soluble lubricating oil additive useful as a dispersant, comprising Mannich Base condensates of an alkyl (hydrocarbon or polymer) substituted hydroxy aromatic compound with an aldehyde and a heavy polyamine. A heavy polyamine is a mixture of polyalkylenepolyamines comprising small |
| 5565092 |
Halogen resistant hydrogenation process and catalyst |
October 15, 1996 |
| A process has been developed for decolorizing (and/or hydrogenating, and/or dehalogenating) a halogen containing unsaturated feedstock and/or polymeric resins. The process has the advantage of being substantially less affected by prolonged exposure to halogen contaminants and impurities |
| 5563313 |
Immobilized Lewis Acid catalysts |
October 8, 1996 |
| Immobilized Lewis Acid catalyst comprising polymer having at least one Lewis Acid immobilized within the structure therein, said polymer having monomer units represented by the structural formula:wherein a represents about 1 to about 99 mole %b represents about 0 to about 50 mole %c represen |
| 5562867 |
Biodegradable two-cycle oil composition |
October 8, 1996 |
| A biodegradable two-cycle oil composition which comprises a C.sub.13 oxo alcohol adipate in admixture with a dispersant and a lubricity agent; it is especially useful for outboard marine engines. |
