| Patent Number |
Title Of Patent |
Date Issued |
| 5416175 |
Method for reducing sheeting during polymerization of .alpha.-olefins |
May 16, 1995 |
| A method for reducing sheeting during polymerization of alpha-olefins in a fluidized bed employing catalysts prone to cause sheeting which comprises feeding a material carrying a static electric charge opposite to the static charge in said bed, said opposite charge of said material being |
| 5416053 |
Homogenous polyethylenes and ethylene/propylene copolymers rubbers |
May 16, 1995 |
| A process for the production of polyethylenes or EPRs comprising contacting a mixture comprising ethylene, one or more alpha-olefins, and, optionally, a diene, under polymerization conditions, with a catalyst system comprising:(A) a catalyst precursor comprising:(i) a vanadium compound, |
| 5412049 |
Polymer compositions containing hydroxyl functional (meth)acrylates and hydroxyalkyl carbamate ( |
May 2, 1995 |
| This invention relates to novel copolymers based on the copolymerization product of hydroxyl (meth)acrylate esters and (meth)acrylate esters of hydroxyalkyl carbamates; and other homopolymers and copolymers base on (meth)acrylate esters. In addition, novel copolymer blends may be for |
| 5412038 |
Process utilizing alkenylcarboxylate crosslinkers |
May 2, 1995 |
| A process for crosslinking a polymer containing hydroxyl groups which process comprises:(a) forming a mixture of said polymer and crosslinking amount of a poly(alpha, beta-alkenylcarboxylate), and(b) maintaining the mixture at conditions under which the polymer cures by reaction of the h |
| 5410003 |
Process for production of homogeneous polyethylenes |
April 25, 1995 |
| A process for the production of a homogeneous polyethylene comprising contacting ethylene, one or more alpha-olefins, and one or more unconjugated dienes, under polymerization conditions, with a catalyst system comprising:(A ) a modified supported vanadium based catalyst precursor;(B) an |
| 5409646 |
Method for compounding a polymerized alpha-olefin resin |
April 25, 1995 |
| A method for compounding at least one polymerized alpha-olefin resin in an extruder including a screw having a feeding section, a melting section, and a venting section, which method includes: (1) introducing the resin and a heat transfer medium into the feeding section such that the res |
| 5405901 |
Process of producing ethylene polymer blends in gas phase |
April 11, 1995 |
| A gas phase process for the production of a polyethylene blend comprising contacting ethylene and at least one alpha-olefin comonomer having 3 to 8 carbon atoms with a magnesium/titanium based catalyst system including an activator and a cocatalyst in each of two fluidized bed reactors c |
| 5405900 |
Polymers containing macromonomers |
April 11, 1995 |
| Polymers are disclosed which comprise:(A) about 1-99.9 weight percent of one or more alpha, beta-monoethylenically unsaturated carboxylic acids, typically methacrylic acids;(B) about 0-98.9 weight percent of one or more monoethylenically unsaturated monomers, typically ethyl acrylate;(C) |
| 5405219 |
Solids feeder |
April 11, 1995 |
| An article of manufacture comprising (i) a double cone having apexes at opposite ends, said double cone having independent gas inlet means at about the apex of the first cone and multiple independent gas outlet means in the second cone, and (ii) a hollow tube, open at both ends, inside t |
| 5403089 |
Method and apparatus for metering and mixing non-compressible and compressible fluids |
April 4, 1995 |
| The present invention is directed to methods and apparatus for effectively proportionating a mixture of compressible and non-compressible fluids and in particular, the present invention is directed to apparatus and methods for forming a coating composition mixture containing a substantia |
| 5401803 |
Ethylene-vinyl acetate copolymer additives for molding compositions |
March 28, 1995 |
| Additive compositions comprising ethylene-vinyl acetate copolymers suitable for use in molding compositions are disclosed. The ethylene-vinyl acetate copolymers have a low degree of crystallinity which can provide a desirable balance of pigmentability, shrinkage resistance and solubility |
| 5401802 |
Polymers containing complex hydrophobic groups |
March 28, 1995 |
| Water-soluble polymers are disclosed which comprise hydrophobic segments, each segment containing at least one hydrophobic group or comlex hydrophobic group covalently bonded to the polymer, wherein the polymer has an amount of complex hydrophobic groups sufficient to provide for enh |
| 5391656 |
Recovery of unreacted monomers in an olefin polymerization process |
February 21, 1995 |
| A method of recovering and recycling monomers from a gas phase olefins polymerization reactor through the use of the monomer feed stream. A high pressure monomer source is reduced in pressure so as to reduce the temperature of the monomer source. The monomer source is then used to cool |
| 5387619 |
Chemical reaction suppression system |
February 7, 1995 |
| A process for inhibiting chemical reactions of a fluid functionally reactive organic material by mixing it with supercritical fluid ("SCF") or near supercritical fluid, especially carbon dioxide maintained under supercritical fluid conditions. The process includes the ability to rest |
| 5380591 |
Telephone cables |
January 10, 1995 |
| An article of manufacture comprising (i) a plurality of electrical conductors, each surrounded by one or more layers of a composition comprising (a) one or more polyolefins and, blended therewith, (b) a mixture containing one or more alkylhydroxyphenylalkanoyl hydrazines and one or m |
| 5376743 |
Process for the production of sticky polymers |
December 27, 1994 |
| A process for the production of EPM or EPDM comprising contacting ethylene, propylene, and, optionally, one or more dienes, in a fluidized bed, at a temperature at or above the sticking temperature of the product resin, under polymerization conditions, with(i) a prepolymer containing a t |
| 5374305 |
Precursor coating compositions containing water and an organic coupling solvent suitable for spr |
December 20, 1994 |
| The present invention relates to precursor coating compositions containing water and at least one organic solvent which are particularly suitable for being admixed with at least one supercritical fluid used as a viscosity reduction diluent and then spraying this resultant liquid mixture |
| 5371148 |
Reactive polymers having pendant flexible side chains prepared from ethylenically unsaturated ca |
December 6, 1994 |
| This invention relates to reactive polymers, e.g., aqueous emulsion polymers, having pendant flexible or dangling side chains prepared from ethylenically unsaturated carbodiimides, e.g., carbodiimide (meth)acrylates. The reactive polymers contain ethylenic unsaturation near the surfa |
| 5371145 |
High density, high molecular weight polyethylene |
December 6, 1994 |
| A process comprising continuously contacting with a catalyst, under polymerization conditions, ethylene or a mixture comprising ethylene and one or more alpha-olefins in a first fluidized bed reactor and a mixture comprising ethylene and one or more alpha-olefins in a second fluidized |
| 5370812 |
Lubricant compositions for refrigerators comprising polyalkylene glycol and a hydrocarbon solven |
December 6, 1994 |
| Lubricant compositions are disclosed which comprise polyalkylene glycols and hydrocarbon solvents having 15 or less carbon atoms per molecule. The polyalkylene glycols are soluble in fluorocarbon-based refrigerants, such as for example, HFC-134a, and the hydrocarbon solvents are soluble |
| 5367037 |
Process for producing ethylene/propylene/ethylidene norbornene rubbers |
November 22, 1994 |
| A process for the production of EPDM comprising reacting ethylene, propylene, ethylidene norbornene, and hydrogen, in the gas phase, in a fluidized bed, under polymerization conditions, in the presence of a catalyst system comprising:(a) the reaction product of a vanadium compound and a |
| 5367030 |
Process for crosslinking thermoplastic silane polymers |
November 22, 1994 |
| A process for crosslinking a thermoplastic ethylene silane copolymer which comprises forming the ethylene silane copolymer in a thermoforming operation into a shaped article and thereafter subjecting the thermoplastic ethylene silane copolymer shaped article to a solution of benzoic |
| 5365075 |
Method for automated identification of recycled plastic articles with comparison of direct and d |
November 15, 1994 |
| A method for differentiating polymers contained in plastic articles by passing the articles between a light source and an array of detectors which are positioned in a manner such as to allow simultaneous measurements of a directly transmitted light signal and a diffused light signal. |
| 5362823 |
Catalyst system containing an autoacceleration inhibitor |
November 8, 1994 |
| In a transition metal catalyst system, the improvement comprising including in the catalyst system an autoacceleration inhibitor, which (i) at about the temperature at which the catalyst system autoaccelerates, decomposes into a poison for the catalyst system; (ii) is present in the cata |
| 5362700 |
Catalysts and process of making same for the production of linear polyamines |
November 8, 1994 |
| A catalyst composition for the condensation of alcohols with amines to produce an enhanced ratio of acyclic polyamines to other reaction products, comprising a reaction product of: (a) high surface area metal oxides or metal oxide precursors, or mixtures thereof, of metals selected f |
| 5362519 |
Polyesters particularly suitable for use in coating compositions which are sprayed with compress |
November 8, 1994 |
| The present invention relates to polyesters which are particularly suitable in coating compositions which are sprayed with compressed fluids which act as viscosity reducing diluents. |
| 5360938 |
Asymmetric syntheses |
November 1, 1994 |
| This invention relates to asymmetric syntheses in which a prochiral or chiral compound is contacted in the presence of an optically active metal-ligand complex catalyst to produce an optically active product. |
| 5358706 |
Muco-adhesive polymers |
October 25, 1994 |
| Cationic polysaccharide polymers and anionic therapeutic agents delivery systems are disclosed which have been found to be substantive to mucosal surfaces. The present delivery system is well suited for the delivery of anionic ophthalmic pharmaceuticals. |
| 5357020 |
Polysiloxane with chromanol moiety |
October 18, 1994 |
| A polysiloxane having at least one chromanol moiety and its use as an antioxidant stabilizer in a polyolefin composition. |
| 5354915 |
Catalysts for the reduction of carbonylic compounds to alcohols |
October 11, 1994 |
| This invention provides an improved process for converting .alpha.,.beta.-olefinically unsaturated aldehydic or ketonic compounds into the corresponding allylic alcohol using an alcohol as a hydrogen donor. This process is conducted in the presence of a supported tetragonal zirconium |
| 5352734 |
Polymers containing complex hydrophobic groups |
October 4, 1994 |
| Water-soluble polymers are disclosed which comprise hydrophobic segments, each segment containing at least one hydrophobic group or comlex hydrophobic group covalently bonded to the polymer, wherein the polymer has an amount of complex hydrophobic groups sufficient to provide for enh |
| 5348666 |
Method for stabilizing glutaraldehyde in aqueous systems |
September 20, 1994 |
| A method is disclosed for stabilizing glutaraldehyde in aqueous systems is disclosed. The method of the invention comprises the addition of an oxidizer to the aqueous system so as to prevent the undesired conversion of glutaraldehyde to non-biocidal products. |
| 5346961 |
Process for crosslinking |
September 13, 1994 |
| A process for crosslinking comprising (a) introducing into a reactor, under crosslinking conditions, a mixture comprising(i) one or more polyolefins;(ii) organic peroxide;(iii) an ester, ether, or ketone containing two or more unsaturated groups; and(iv) a compound having the formula: ## |
| 5342987 |
Alkenyl alkanoate production |
August 30, 1994 |
| This invention provides a process for producing improved catalysts for the production of alkenyl alkanoates by the reaction of an alkene, an alkanoic acid and an oxygen-containing gas. The catalysts contain palladium, gold and a potassium promoter and are characterized by a reduced sodiu |
| 5342907 |
Ethylene/propylene copolymer rubbers |
August 30, 1994 |
| A process comprising contacting a mixture comprising ethylene, propylene, and, optionally, a diene, in the gas phase, under polymerization conditions, with a catalyst system comprising:(a) a catalyst precursor, in independent or prepolymer form, consisting of vanadium (acetylacetonate).s |
| 5342891 |
(N-substituted carbamoyloxy) alkanoyloxyalkyl acrylate polymers and compositions made therefrom |
August 30, 1994 |
| This invention is directed to polymers (including oligomers) that contain (N-substituted carbamoyloxy)alkanoyloxyalkyl acrylates, to a process for their preparation by reacting the carbamoyloxy alkanoyloxyalkyl acrylates with themselves, with lactone acrylates, and/or with other ethyleni |
| 5342883 |
Polymers containing macromonomers |
August 30, 1994 |
| Polymers are disclosed which comprise:(A) about 1-99.9 weight percent of one or more alpha, beta-monoethylenically unsaturated carboxylic acids, typically methacrylic acids;(B) about 0-98.9 weight percent of one or more monoethylenically unsaturated monomers, typically ethyl acrylate;(C) |
| 5332793 |
Ethylene/propylene copolymer rubbers |
July 26, 1994 |
| A process for the production of EPRs comprising contacting ethylene, propylene, and optionally, a diene, under polymerization conditions, with a catalyst system comprising:(A) a catalyst precursor comprising:(i) a vanadium compound, which is the reaction product of(a) VX.sub.3 wherein each X |
| 5331102 |
Method for decolorization of alkanolamines and alkyleneamines |
July 19, 1994 |
| Color-containing alkanolamines or alkyleneamines, having color numbers of up to 100 PtCo or higher, can be treated with inorganic solid acidic catalysts. Inorganic support materials having bonded inorganic acid functionalities may be used as the inorganic solid acidic catalysts. In t |
| 5330955 |
Carbonylation reaction catalysts |
July 19, 1994 |
| A process and novel catalyst for the carbonylation of one or more of alcohols, ethers and ether alcohols to esters and, optionally, to carboxylic acids. The reaction is effected in the vapor state over a solid catalyst comprising a polyoxometalate anion in which the metal is at least |
| 5328522 |
Solder pastes |
July 12, 1994 |
| Solder powders coated with a thin layer of parylene and solder pastes containing the coated solder powders are disclosed. The coated solder powders can exhibit a high degree of resistance to oxidation and to reaction with the flux contained in the solder paste without substantially i |
| 5326602 |
Polyethylene blends |
July 5, 1994 |
| A pre-formed composition having essentially no yield point comprising a blend of:(a) at least about 50 percent by weight of a copolymer of ethylene and a 4 to 8 carbon atom alpha-olefin having a density in the range of 0.880 to 0.915 gram per cubic centimeter; a melt index of no greater |
| 5324798 |
Polymer finishing process |
June 28, 1994 |
| A finishing process for a polymer containing an active catalyst residue. Starting polymer has a crystallinity of less than 10 percent by weight and is maintained in an essentially oxygen free reaction zone at a temperature less than polymer sticking temperature. The polymer is stabilized |
| 5321180 |
Conversion of vinylcyclohexene to ethylbenzene |
June 14, 1994 |
| Vinylcyclohexene is converted to ethylbenzene by contacting vinylcyclohexene with an alkali metal, liquid ammonia and an initiator. The method of the present invention allows the reaction to be conducted in a single step while selectively producing ethylbenzene with yields exceeding |
| 5319003 |
Method for improving the mechanical performance of composite articles |
June 7, 1994 |
| A process for making a composite article having improved mechanical properties such as fatigue life, which process comprises contacting at least one continuous filament with a mixture comprising a resin and a strain relieving polymer. |
| 5318225 |
Methods and apparatus for preparing mixtures with compressed fluids |
June 7, 1994 |
| Methods and apparatus are disclosed for forming a liquid spray mixture containing accurately proportionated amounts of viscous coating concentrate and compressed fluid diluent such as carbon dioxide. The proportionation is accomplished by passing the fluid diluent through two sets of |
| 5317036 |
Gas phase polymerization reactions utilizing soluble unsupported catalysts |
May 31, 1994 |
| Gas phase polymerization processes are disclosed which utilize unsupported soluble transition metal coordination catalysts. The catalysts are introduced into the reactor as a solution. |
| 5314587 |
Method for measuring reflux flow in a distillation process |
May 24, 1994 |
| A method and apparatus are disclosed wherein a standpipe mounted in an accumulator outside the operating zone of a distillation column is used in conjunction with a liquid level controller to measure condensate collected in the accumulator and to change the amount of energy provided to t |
| 5312996 |
Hydroformylation process for producing 1,6-hexanedials |
May 17, 1994 |
| This invention relates to a hydroformylation process for producing a 1,6-hexanedial which comprises reacting a butadiene with hydrogen and carbon monoxide in the presence of a catalytic amount of rhodium complexed with certain poly-phosphite ligands to achieve high conversions of the |
| 5312862 |
Methods for admixing compressed fluids with solvent-borne compositions comprising solid polymers |
May 17, 1994 |
| Methods are presented by which compressed fluids such as carbon dioxide, nitrous oxide, and ethane can be admixed with solvent-borne compositions that contain a high concentration of solid polymer, such as coating compositions, whereby precipitation of the solid polymer can be avoided, |
