| Patent Number |
Title Of Patent |
Date Issued |
| 5281651 |
Compatibilization of dissimilar elastomer blends using ethylene/acrylate/acrylic acid terpolymer |
January 25, 1994 |
| This invention relates to a compatibilized rubber composition and a process for compatibilizing dissimilar rubber blends comprising blending an ethylene/acrylate/acrylic acid terpolymer with 2 or more different rubbers, selected from the group including, but not limited to, EPR, EPDM, |
| 5281368 |
Norbornene polymerization initiators and process for preparing same |
January 25, 1994 |
| The present invention relates to a novel compound, its use as an initiator in anionic polymerizations yielding norbornene-terminated homopolymers of block copolymers, and the further use of said norbornene-terminated polymers as macromonomers in the preparation of graft copolymers. |
| 5278345 |
Use of ECR-1, mazmorite and ECR-18 in the conversion of oxygenates to hydrocarbons |
January 11, 1994 |
| A process for converting an oxygenate feed to light olefins using a microporous zeolite catalysts such as ECR-1, mazmorites, and/or ECR-18 is provided. In a preferred embodiment, the process is conducted at approximately 440.degree. C. (824.degree. F.) to about 460.degree. C. (860.de |
| 5278241 |
Amino-substituted polymers containing graft polymer segments derived from aromatic nitrogen-cont |
January 11, 1994 |
| The novel polymers of the present invention are prepared by graft polymerization of at least one aromatic nitrogen-containing monomer onto a low T.sub.g amino-substituted polymer (e.g., an ethylene alpha-olefin interpolymer substituted by primary amino or secondary amino groups). Pre |
| 5278240 |
Oil soluble amino-substituted polymers containing graft polymer segments derived from aromatic n |
January 11, 1994 |
| The novel polymers of the present invention are prepared by graft polymerization of at least one aromatic nitrogen-containing monomer onto an amino-substituted polymer (e.g., an ethylene alpha-olefin interpolymer substituted by primary amino or secondary amino groups). Preferred arom |
| 5278119 |
Catalysts, method of preparing these catalysts, and polymerization processes wherein these catal |
January 11, 1994 |
| The present invention relates to catalysts, to a method for preparing such catalysts, to a method of using such catalysts and to polymeric products produced with such catalysts. The catalysts are particularly useful in the polymerization of - olefins, diolefins and acetylenically unsatur |
| 5277833 |
Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid lubricant dispersant additi |
January 11, 1994 |
| The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 10,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarb |
| 5275748 |
Polyanhydride modified adducts or reactants and oleaginous compositions containing same |
January 4, 1994 |
| An oil soluble dispersant additive useful in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of:(i) at least one intermediate adduct comprised of the reaction products of(a) at least one polyanhydride, and(b) at least one member selected from |
| 5275747 |
Derivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver add |
January 4, 1994 |
| The present invention is directed to an oil-soluble oleaginous composition additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of from above 20,000 to about 500,000 number average molecular weight substituted with mono- or dicarboxylic acid producing |
| 5273797 |
Food package, retort lidding, and coextruded film therefor |
December 28, 1993 |
| A seal layer for use in heat sealed containers, especially retortable polymer containers. A semirigid or rigid packaging container with a multilayer laminate heat sealed to a tray flange, the laminate having a barrier layer and the lidding being easily opened by cohesive failure of a |
| 5273671 |
Multifunctional viscosity index improver-dispersant antioxidant |
December 28, 1993 |
| Oleaginous compositions, particularly lubricating oil compositions, exhibiting improved antioxidant properties containing a viscosity index improving amount of a viscosity index improver-dispersant comprised of the reaction products of:(a) an oil soluble ethylene copolymer comprising fro |
| 5273668 |
Oil soluble dispersant additives modified with bis-keto/thioketo compounds |
December 28, 1993 |
| The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted nitrogen- or ester-containing ashless dispersant and (B) a bis-keto/thioketo compound. |
| 5273565 |
Meltblown fabric |
December 28, 1993 |
| A meltblown web is composed of fibers having a narrow fiber size distribution (expressed as % coefficient of variation of the average fiber diameter) and low packing density. The web is characterized as a soft lofty web and exhibits exceptional filtration capability. The web preferab |
| 5272003 |
Meso triad syndiotactic polypropylene fibers |
December 21, 1993 |
| Syndiotactic polypropylene fibers from syndiotactic polypropylene having a melting point of from 100.degree. C. to 160.degree. C. and desirably a polymer having blocks of repeating racemic dyads connected predominantly by units having a meso triad or a meso dyad and methods of making suc |
| 5271856 |
Heterocyclic nitrogen compound Mannich base derivatives of amino-substituted polymers for oleagi |
December 21, 1993 |
| The novel polymers of the present invention are prepared by reacting a heterocyclic nitrogen compound containing at least one --N(H)-- group in the ring, an aldehyde and amino-substituted polymer (e.g., an ethylene alpha-olefin interpolymer substituted by primary amino or secondary amino |
| 5270407 |
Process for preparing an ethylene-based copolymer |
December 14, 1993 |
| The present invention relates to a process for copolymerizing ethylene and .alpha.-olefin, or ethylene, .alpha.-olefin, and an unconjugated diene, in the presence of a catalyst in which at least one kind of transition metal compound, such as a V, Zr, or Hf compound, and an organic alumin |
| 5269670 |
Meltblowing die |
December 14, 1993 |
| A meltblowing die assembly features (a) intermittent operation, (b) modular valve actuator to selectively shut off polymer flow, (c) an in-line electric heater, and (d) meltblowing units arranged in side-by-side relationship. |
| 5269574 |
High performance vehicle bumper |
December 14, 1993 |
| The present invention relates to a light weight, high performance bumper for automobiles and the like. It consists of an I-beam reinforced by one or more ribs which add support to the front wall. The bumper is fabricated from fiber reinforced thermoplastic or thermoset materials. |
| 5268524 |
Preparation of linear alkyl aromatics |
December 7, 1993 |
| Essentially linear alkyl aromatics wherein the alkyl is attached to the aromatic ring at the .beta.-position are produced by the process wherein a linear hydrocarbon selected from the group consisting of linear .alpha.-olefins, linear .alpha.-substituted alkyl halides or linear .alph |
| 5268399 |
Resin emulsions |
December 7, 1993 |
| Resin emulsions are prepared by forming an emulsion of an aqueous solution of an unsaturated material reactive with the resin in the liquid resin, causing the material and the resin to react and adding sufficient water to invert the emulsion to form an emulsion of the reacted resin in wa |
| 5268115 |
Alkyl-substituted hydroxyaromatic compounds useful as a multifunctional viscosity index improver |
December 7, 1993 |
| An oil-soluble alkyl substituted hydroxyaromatic compound, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copolymer of greater or above 25,000 to about 5000,000 number average molecular weight, said copolymer containing from 30 t |
| 5268106 |
Oil spill recovery method |
December 7, 1993 |
| A method and apparatus for oil cleanup or protection includes meltblowing equipment mounted on a vessel or vehicle for the generation and deposition of an oil absorbent web at the site of the spill. |
| 5266394 |
Disposable articles of manufacture containing polystyrene-polyisoprene-polystyrene block copolym |
November 30, 1993 |
| Polystyrene-polyisoprene-polystyrene block copolymers, hot-melt adhesive compositions constituted of polystyrene-polyisoprene-polystyrene block copolymers, and articles of manufacture produced therefrom. These copolymers possess blocks of high average molecular weight polystyrene (12 |
| 5266392 |
Plastomer compatibilized polyethylene/polypropylene blends |
November 30, 1993 |
| Compatibilized blends of polypropylene, linear low density polyethylene and a low molecular weight plastomer are disclosed. The blend preferably contains at least about 50 percent by weight of crystalline polypropylene, from about 10 to about 50 percent by weight of LLDPE dispersed in a |
| 5266223 |
Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid dispersant additives |
November 30, 1993 |
| The present invention is directed to an oil-soluble fuel and lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably |
| 5264405 |
Monocyclopentadienyl titanium metal compounds for ethylene-.alpha.-olefin-copolymer production c |
November 23, 1993 |
| The invention is a catalyst system including a monocyclopentadienyl titanium compound and an alumoxane component which is highly productive for polymerizing ethylene and .alpha.-olefins to produce a high molecular weight ethylene-.alpha.-olefin copolymer having a high content of .alp |
| 5262508 |
Process for preparing alkyl phenol-sulfur condensate lubricating oil additives |
November 16, 1993 |
| Additives for improving the low temperature flow properties and oxidative stability of hydrocarbon oils are disclosed, which comprise the alkylation of a phenol in the presence of a dipolar aprotic cosolvent to produce an essentially linear alkylated phenol which is condensated with a |
| 5262372 |
Supported vanadium catalyst for prodution of polyolefins of controlled molecular weight distribu |
November 16, 1993 |
| A process for the production of a highly active olefin polymerization vanadium catalyst, comprising a vanadium compound and an organophosphorous compound combined on a catalyst support, which is capable of producing a broad range of polymer products. The polymer product's molecular weigh |
| 5262075 |
Multifunctional viscosity index improver exhibitng improved low temperature viscometric properti |
November 16, 1993 |
| Multifunctional viscosity index improver additives for oleaginous composition comprising reaction products of (i)(a) ethylene-alpha-olefin copolymers grafted with (i)(b) carboxylic acid material, further reacted with (ii) at least one of polyamine, polyol, about C.sub.30 -C.sub.400 h |
| 5259968 |
Dispersant additive comprising the reaction product of a polyanhydride and a mannich condensatio |
November 9, 1993 |
| A composition of matter useful as an oleaginous composition dispersant additive comprising the reaction product of:(1) at least one nitrogen or ester containing adduct selected from the group consisting of (i) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of |
| 5256325 |
Polyanhydride modified adducts or reactants and oleaginous compositions containing same |
October 26, 1993 |
| An oil soluble dispersant additive useful in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of:(i) at least one intermediate adduct comprised of the reaction products of(a) at least one polyanhydride, and(b) at least one member selected from |
| 5256310 |
Treatment of fresh water for zebra mussel infestation |
October 26, 1993 |
| A method whereby a concentrated aqueous solution of chlorine dioxide is injected into offshore water intake facilities for preventing zebra mussel infestation therein is described. The chlorine dioxide is generated from generators positioned on a portable vessel above the water intake |
| 5254785 |
Production of olefins |
October 19, 1993 |
| The present invention provides a process for cracking or decomposing a feedstream containing a major proportion of at least one dialkyl ether to produce the corresponding olefins comprising contacting the feedstream with a faujasite aluminosilicate catalyst which is characterized in that |
| 5254783 |
Catalyst comprising amorphous NiO on silica/alumina support and process for butene dimerization |
October 19, 1993 |
| The present invention provides for a catalyst composition which is effective for use in the production of dimer products and higher olefin products from lower olefins such as propylene and butene in high yields and with an average degree of branching in the dimer products of less than |
| 5254297 |
Charging method for meltblown webs |
October 19, 1993 |
| Electrically charged meltblown webs are formed by convergingly discharging electrically charged hot air onto a row of extruded polymer fibers to contact the fibers thereby (i) attenuating and stretching the fibers and (ii) imparting an electric charge to the fibers. The fibers may be |
| 5252238 |
Multifunctional viscosity index improver derived from amido-amine exhibiting improved low temper |
October 12, 1993 |
| The present invention is directed to a viscosity index improver for lubricating oil compositions comprising the reaction product of A) a copolymer of ethylene and at least one other alpha-olefin monomer, said copolymer grafted with ethylenically monounsaturated carboxylic acid materi |
| 5246783 |
Electrical devices comprising polymeric insulating or semiconducting members |
September 21, 1993 |
| Disclosed are electrically conductive and semiconductive devices utilizing polymers having resistance to water treeing and good dielectric properties. The polymer comprises ethylene polymerized with at least one C.sub.3 to C.sub.20 alpha-olefin and optionally at least one C.sub.3 to |
| 5246778 |
Hose composition |
September 21, 1993 |
| A hose composition is provided which comprises a halogen-containing copolymer of a C.sub.4 to C.sub.7 isomonoolefin and a para-alkylstyrene, fillers, rubber compounding additives and a curing agent. A hose comprising at least a portion made from this hose composition is also provided |
| 5244971 |
Graft polymers for use in engineering thermoplastic blends |
September 14, 1993 |
| Graft polymers for use as compatibilizers and/or modifiers for engineering thermoplastic compositions are provided comprising the reaction product of functionalized thermoplastic polymers with styrene-maleic anhydride copolymer. The functionalized thermoplastic polymers are based typical |
| 5244961 |
Thermoplastic compositions and process for preparing the same |
September 14, 1993 |
| A non-vulcanized thermoplastic composition comprising a polyamide and an elastomeric halogen-containing copolymer of a C.sub.4 to C.sub.7 isomonoolefin and a para-alkylstyrene is prepared by blending the polyamide and elastomeric copolymer in the presence of specified metal compounds |
| 5244957 |
Metal protecting compositions |
September 14, 1993 |
| A blend of from 10 to 90 parts by Weight of a basic calcium sulphonate and from 90 to 10 parts by weight of a terpolymer of 50 to 99 wt. % of an olefin containing from 2 to 4 carbon atoms, 1 to 30 wt. % of an unsaturated ester which is a vinyl ester of a carboxylic acid or an ester o |
| 5244590 |
Viscosity index improver |
September 14, 1993 |
| Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularly heterogeneous and intermolecularly homogeneou |
| 5242980 |
Ethylene-unsaturated alcohol or acid copolymer and epoxy crosslinker |
September 7, 1993 |
| A heat curable hot melt adhesive system is disclosed. The system uses an epoxy-crosslinking ethylene polymer component, a tackifier compatible therewith and an epoxy crosslinking agent having an epoxide functionality of at least 2. The ethylene polymer component may be either an ethylene |
| 5242875 |
Zeolite ZK-5 catalyst |
September 7, 1993 |
| Zeolites having the ZK-5 structure but having a silica/alumina ratio of up to 10 may be prepared by the use of strontium in the synthesis gel, and such zeolites may be useful in hydrocracking, reforming and separation. |
| 5242754 |
Internal resin-tackified acrylic polymers containing crosslinkable comonomers |
September 7, 1993 |
| Acrylic copolymer compositions which contain a tackifying hydrocarbon resin and a polyfunctional crosslinking monomer and the use of such composition in pressure-sensitive adhesives are described. The tackifying hydrocarbon resin is dissolved, as is the polyfunctional monomer, in a solut |
| 5242612 |
Mixed phosphorous- and sulfur-containing reaction products useful in power transmitting composit |
September 7, 1993 |
| A phosphorous- and sulfur-containing additive and its use to impart anti-wear properties to oleaginous compositions such as fuels and lubricating oils, particularly power transmission compositions, such as automatic transmission fluids, is disclosed. The additive comprises a mixture |
| 5241031 |
Elastic articles having improved unload power and a process for their production |
August 31, 1993 |
| Disclosed is a process for improving the unload power of a precursor elastic film comprising orienting the film to a draw ratio in the range of about 2:1 to about 20:1 followed by annealing. Further disclosed is an elastic film oriented to a draw ratio in the range of about 2:1 to about |
| 5241025 |
Catalyst system of enhanced productivity |
August 31, 1993 |
| This invention relates to catalyst systems, and a method for using such system, for the enhanced production of homo and copolymer products of olefin, diolefin and/or acetylenically unsaturated monomers. This invention catalyst system comprises a Group III-A element compound for impro |
| 5240894 |
Method for making and using a supported metallocene catalyst system |
August 31, 1993 |
| The invention relates to a novel process for producing a supported metallocene catalyst system useful for the polymerization and/or copolymerization of olefins, alpha-olefins, and/or diolefins which results in a catalyst product which during polymerization, produces minimal to no rea |
| 5239018 |
Liquid polymer and polyol compositions, and process for preparing phenol-functional polymer |
August 24, 1993 |
| Non liquid-crystalline esterphenol-capped liquid polymer and polyol compositions in combination with an amino crosslinking agent endow coating compositions containing them with the ability of providing films having superior properties. The esterphenol-capped polymers and polyols can be |
