| Patent Number |
Title Of Patent |
Date Issued |
| 5326487 |
Mixed phosphorous- and sulfur- containing reaction products useful in power transmitting composi |
July 5, 1994 |
| 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 |
| 5324853 |
Process for the production of plasticizer and polyolesters |
June 28, 1994 |
| A process for the catalytic or non-catalytic esterification of acids or anhydrides with a mono-alcohol or a polyhydroxy compound which comprises the steps of adding the reagents to a reaction vessel to form a reaction mixture, and heating the reaction mixture and maintaining a pressure |
| 5324800 |
Process and catalyst for polyolefin density and molecular weight control |
June 28, 1994 |
| Catalysts comprising (a) derivatives of mono, bi and tricyclopentadienyl coordination complexes with a transition metal and (b) and an alumoxane are employed in a process of producing polyolefins of controlled molecular weight. |
| 5324420 |
Sulfur removal from hydrocarbons with nickel containing catalyst |
June 28, 1994 |
| Treatment of sulphur bearing hydrocarbons, especially olefin feedstocks to the oxo process, with a nickel-containing catalyst, especially spent hydrogenation catalyst, which may be amine treated. |
| 5322884 |
Polyester-based coating compositions having high pigment-to-binder ratios |
June 21, 1994 |
| The present invention is directed towards liquid coating formulations containing a mixture of a curable polyester or diester resin, an amino crosslinking agent and a pigment wherein the pigment is dispersed in the coating solution at a weight loading .level such that the pigment to b |
| 5322728 |
Fibers of polyolefin polymers |
June 21, 1994 |
| Fiber with unique elastic properties comprising copolymer, of ethylene and comonomer, having density in the range of about 0.86 to about 0.93 g/cm.sup.3, MWD in the range of about 2 to about 3.5, melt index in the range of about 4 to about 1000, and SDBI less than about 25.degree. C. |
| 5322630 |
Amine derivatives as corrosion inhibitors |
June 21, 1994 |
| A method of acidizing a subterranean formation with an acqueous acid solution wherein the acid solution contains corrosion inhibiting amounts of an amine derivative prepared by reacting an unsaturated carboxylic acid with (a) fatty amine or polyamine, or (b) a fatty amido amine or po |
| 5321168 |
Activation of cobalt preformer catalyst for oxo process |
June 14, 1994 |
| Noble metal or other preformer catalysts used to convert cobalt salts to hydrido cobalt carbonyl for use in the oxonation of olefins are activated or regenerated by treatment with H.sub.2 O at 120.degree. to 170.degree. C., 13.78 MPa (2,000 psig) to 31.00 MPa (4,500 psig) for 2-50 hours. |
| 5320798 |
Method for processing polyolefins at high shear rates |
June 14, 1994 |
| Processing, particularly extruding polyolefins having low MI, narrow MWD at extrusion temperatures less than about 200.degree. C. and at shear rates less than about 2000 sec.sup.-1 but immediately above the shear rate corresponding to the end of the slipstick region of the polyolefin |
| 5320768 |
Hydroxy ether amine friction modifier for use in power transmission fluids and anti-wear additiv |
June 14, 1994 |
| Oleaginous compositions comprising a fuel oil or a lubricating oil, a friction modifying amount of a hydroxy ether amine compound such as that having the formula: ##STR1## where X is O or S, R.sub.3 is H, R.sub.1 is C.sub.18 alkylene, R.sub.2 is C.sub.3 alkylene, and R.sub.4 and |
| 5320765 |
Low ash lubricant compositions for internal combustion engines |
June 14, 1994 |
| In accordance with the present invention, there are provided low sulfated ash lubricating oil compositions which comprise an oil of lubricating viscosity as the major component and as the minor component (A) at least about 2 wt % of at least one ashless nitrogen- or ester-containing |
| 5318935 |
Amido transition metal compound and a catalyst system for the production of isotatic polypropyle |
June 7, 1994 |
| Certain bridged and unbridged amido transition metal compounds of the Group IV-B metals are disclosed. These compounds may be used in a catalyst system comprising the amido transition metal compound and an alumoxane. Also disclosed is a process using the catalyst system for the productio |
| 5317070 |
Syndiotactic hot melt adhesive |
May 31, 1994 |
| A hot melt adhesive including syndiotactic polypropylene having a polymer chain of at least 80% racemic dyads and having a melting point of about 100.degree. C. to 180.degree. C. |
| 5317055 |
Internal resin-tackified acrylic polymers |
May 31, 1994 |
| Acrylic copolymer PSA compositions having enhanced peel strength without substantially decreasing shear properties have been formulated by homogeneously incorporating the tackifying resin into the polymer matrix. The tackifying resin is dissolved into a solution of alkyl (meth) acrylate |
| 5314973 |
Silicon-bridged transition metal compounds |
May 24, 1994 |
| Silicon-bridged transition metal compounds and their use as .alpha.-olefin polymerization catalysts are disclosed. A chiral silicon-bridged metallocene catalyst polymerizes .alpha.-olefins to high isotacity with a minimum of inversions at high rates of catalyst activity. The catalyst is |
| 5314633 |
Low pressure derived mixed phosphorous- and sulfur- containing reaction products useful in power |
May 24, 1994 |
| A phosphorous- and sulfur-containing additive and its use to impart anti-wear and/or antioxidant properties to oleaginous compositions such as fuels and lubricating oils, particularly power transmission compositions, such as automatic transmission fluids, is disclosed. The additive c |
| 5312556 |
Multifunctional viscosity index improver derived from polyamine containing one primary amine gro |
May 17, 1994 |
| A multifunctional viscosity index improver for lubricating oils comprising reaction product of:(i) (a) degraded ethylene-alpha-olefin copolymer obtained by degrading undegraded copolymer of ethylene and at least one other alpha-olefin monomer, said undegraded copolymer comprising intramo |
| 5312554 |
Process for preparing stable oleaginous compositions |
May 17, 1994 |
| According to the present invention, oleaginous compositions having improved stability are provided, wherein high molecular weight ashless dispersants and metal detergents are preblended at a temperature of at least 100.degree. C. for a period of from 1 to 10 hours, cooled to at least |
| 5310814 |
Viscosity modifier polybutadiene polymers |
May 10, 1994 |
| The present invention relates to hydrogenated polybutadiene comprising monomeric units of 1,4-butadiene and 1,2-butadiene addition products. The copolymer is hydrogenated and comprises at least 10% by weight of at least one crystallizable segment and at least one low crystallinity segmen |
| 5310802 |
Elastomeric compositions and processes for their production |
May 10, 1994 |
| An elastomeric composition comprising a major proportion by weight of a rubber comprising a halobutyl rubber (e.g. 75 to 95%) and a minor proportion by weight (e.g. 5 to 25%) of a copolymer of an olefin, e.g. ethylene, and an unsaturated carboxylic acid e.g. acrylic acid. This compos |
| 5308364 |
Fuel compositions containing improved branched amido-amine dispersant additives |
May 3, 1994 |
| The present invention is directed to fuel compositions containing branched amido-amine additives formed by (a) reacting a first nitrogen-containing compound (e.g., ammonia or an organic amine) with an alpha, beta-unsaturated compound of the formula: ##STR1## wherein W.sup.1 is su |
| 5306848 |
Hydrogenation catalyst for oxo alcohol process |
April 26, 1994 |
| The hydrogenation steps and hydrofinishing steps of the cobalt catalyst oxo process for the preparation of alcohols by the hydroformylation of olefin are carried out using a trimetallic catalyst composed of metal oxides, particularly nickel oxide, molybdenum oxide and cobalt oxide suppor |
| 5306313 |
Dispersant additive comprising the reaction product of a polyanhydride and a mannich condensatio |
April 26, 1994 |
| 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 |
| 5304699 |
Process for the removal of green oil from a hydrocarbon stream |
April 19, 1994 |
| Disclosed is a process for removing hydrogenation by-products which comprises the use of an extractive distillation tower operated in combination with a solvent stripper, hydrocarbon purge and a water wash column. By the arrangement of the various feeds to and between the above menti |
| 5304315 |
Prevention of gel formation in two-cycle oils |
April 19, 1994 |
| A two-cycle oil dispersant additive which substantially avoids the formation of gelled agglomerates at low temperatures and which correspondingly provides effective engine cleanliness, detergency, lubricity and wear inhibition comprising: a dispersant (I) which is a nitrogen-containi |
| 5302771 |
Process for upgrading the quality of light ends |
April 12, 1994 |
| The present invention is directed to a process for removing impurities from hydrocarbon streams, preferably light ends, such as propylene and ethylene, which is preferably in the liquid phase, by contacting the hydrocarbon stream containing an initial amount of an impurity with a che |
| 5302750 |
Method for producing n-octadienol from butadiene |
April 12, 1994 |
| A method for separating a water soluble noble metal catalyst from a crude reaction product of a noble metal-catalyzed process for preparing octadienol from butadiene in aqueous solution, in an aqueous emulsion or as an aqueous suspension, the crude reaction product including an aqueous |
| 5300617 |
Potassium para-diphenyl phosphino benzene sulfonate ligand |
April 5, 1994 |
| A method for producing a potassium para-diphenyl phosphino sulfonate ligand which comprises reacting potassium diphenyl phosphide with a lithium salt of para-chloro benzenesulfonic acid in the presence of tetrahydrofuran at elevated temperatures. |
| 5300235 |
Corrosion inhibitors |
April 5, 1994 |
| Amine derivatives which are compounds of the formula (I): ##STR1## in which R is a C.sub.6-20 hydrocarbon; Y is --CO--NH-- and n is an integer of 1 to 6; or ##STR2## in which X is an alkylene group of 2 to 6 carbon atoms and n is an integer of 0 to 6;each R.sub.1 is independe |
| 5296560 |
Ashless dispersants |
March 22, 1994 |
| According to the present invention, improved dispersants are provided which comprise adducts of (A) polymer-substituted mono- and dicarboxylic acid or anhydrides and (B) bis(para-amino cyclohexyl) methane oligomers, wherein the reactants are contacted in a reaction zone in the substantia |
| 5294678 |
Entanglement-inhibited macromolecules |
March 15, 1994 |
| A grafted and/or functionalized macromolecule comprises entanglement-inhibited architecture wherein the polymer exhibits reduced melt viscosity. In one embodiment, the macromolecule comprises a polymer of an isoolefin having about 4 to about 7 carbon atom and a para-alkylstyrene, whe |
| 5294234 |
Fuel compositions of novel ethylene alpha-olefin polymers substituted amine dispersant additives |
March 15, 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 20,000 number average molecular weight terminally substituted with amine compounds, which are also useful additives to o |
| 5292985 |
Multi-stage olefin isomerization |
March 8, 1994 |
| A multi-stage process for isomerizing olefin compounds to the corresponding product olefin compounds is provided. The isomerization catalyst comprises an oxygen treated mixture of an alkali metal on a calcined support. The multi-stage process is particularly useful for isomerizing 5- |
| 5292842 |
Adhesive acrylic copolymers with a broad molecular weight distribution |
March 8, 1994 |
| Acrylic copolymer PSA compositions having enhanced peel strength without substantially decreasing shear properties have been formulated by producing the copolymer with a broad molecular weight distribution such that the ratio M.sub.w /M.sub.n is above 6, preferably above 10. The alkyl |
| 5292819 |
Radial block copolymers containing butadiene endblock |
March 8, 1994 |
| Radial block copolymers characterized by the formulas: (1) (pS-pI).sub.n X and (2) (pS-pI-pB).sub.n X where pS is polystyrene, pI is polyisoprene, pB is butadiene, X is a residue of a multifunctional coupling agent used in the production of the radial block copolymer, and n is a number g |
| 5292806 |
Compositions containing blends of polystyrene-polyisoprene-polystyrene block copolymers |
March 8, 1994 |
| Blends of low styrene content polystyrene-polyisoprene-polystyrene block copolymer and high styrene content polystyrene-polyisoprene-polystyrene block copolymer can be used with tackifier resins, plasticizer oil and antioxidants to formulate pressure sensitive adhesives of improved c |
| 5292560 |
Thermoplastic films for use in stretch/cling applications |
March 8, 1994 |
| A thermoplastic film is provided which is especially suitable for use in stretch/.cling applications such as, for example, the bundling, packaging and unitizing of foods and other goods. The film comprises a cling layer comprising a polymer of at least ethylene and acrylate, preferably w |
| 5290962 |
Method for preparation of anti-calking coating with pigment therein |
March 1, 1994 |
| A coating composition useful on a variety of substrates, and particularly as a coating for ammonium nitrate which exhibit a reduced tendency to cake or dust once applied to the surface of a substrate. In one embodiment, the composition is composed of magnesium stearate and an effective a |
| 5290868 |
Multifunctional viscosity index improver derived from polyamine containing one primary amine gro |
March 1, 1994 |
| An oil soluble nitrogen containing grafted degraded ethylene copolymers useful as multifunctional viscosity index improvers or modifiers, such as VI improver-dispersant additives. The nitrogen containing grafted degraded ethylene copolymers are grafted with an ethylenically unsaturated |
| 5290461 |
Multifunctional viscosity index improver derived from amido-amine and degraded ethylene copolyme |
March 1, 1994 |
| Composition of matter useful as multifunctional viscosity index improver for lubricating oil comprising reaction product of:(i) (a) degraded ethylene-alpha-olefin copolymer obtained by degrading copolymer of ethylene and at least one other alpha-olefin monomer, said copolymer comprising |
| 5288818 |
Method for separating a water soluble noble metal catalyst from a noble metal catalyzed hydrofor |
February 22, 1994 |
| A method for separating a water soluble Group VIII noble metal catalyst from the crude reaction product of a noble metal-catalyzed hydroformylation reaction run in aqueous solution, in an aqueous emulsion or as an aqueous suspension, the crude reaction product including an aqueous ph |
| 5288806 |
Thermoplastic olefins with low viscosity |
February 22, 1994 |
| This invention relates to a ternary blend of 20 to 50 wt. % of random propylene copolymer of approximately 2% ethylene, 10 to 40 wt. % ethylene/propylene rubber, and 20 to 50 wt. % high density polyethylene for use as a molded article. |
| 5288677 |
Immobilized Lewis acid catalysts |
February 22, 1994 |
| 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 ab |
| 5286804 |
Halogenation of star-branched butyl rubber with improved neutralization |
February 15, 1994 |
| A process for halogenating star-branched butyl rubber is provided wherein water and a wetting agent or wetting agent precursor are added to a solution comprising the star-branched butyl rubber, solid particles of branching agent and an organic solvent prior to the neutralization step to |
| 5284595 |
Borated ethylene .alpha.-olefin polymer substituted amine dispersant additives |
February 8, 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 20,000 number average molecular weight terminally substituted with amine compounds, which are also useful additives to o |
| 5283276 |
Coating compositions |
February 1, 1994 |
| A corrosion protection composition a dispersion or solution of (a) colloidal size amorphous overbased sulfonate, (b) solvent or plasticizer, and (c) polymeric material soluble in the solvent or compatible with the plasticizer is disclosed. The composition comprises at least about 70% |
| 5282991 |
Friction modified oleaginous concentrates of improved stability |
February 1, 1994 |
| According to the present invention, oleaginous compositions having improved storage stability properties are provided, which comprise a combination of ashless dispersants, friction modifier and oil-soluble copper antioxidants, wherein the composition is substantially free of boron. |
| 5282990 |
Synergistic blend of amine/amide and ester/alcohol friction modifying agents for improved fuel e |
February 1, 1994 |
| The fuel economy of an internal combustion engine can be improved by adding to the lubricating oil used to lubricate the crankcase of said engine a synergistic blend of amine/amide and ester/alcohol friction modifying agents, for example, by reacting (a) a carboxylic acid, such as oleic |
| 5281681 |
Photodegradable and biodegradable polyethylene |
January 25, 1994 |
| Ethylene, 2-methylene-1,3-dioxepane, and optionally carbon monoxide are reacted in the presence of free radical catalyst to form a biodegradable and optionally photodegradable polymer represented by the formulae: ##STR1## where x and y are integers or ##STR2## where x, y and |
| 5281679 |
Catalyst and method of broadening polymer molecular weight distribution and increasing polymer t |
January 25, 1994 |
| A catalyst and method of producing polyolefins having broadened molecular weight distributions and enhanced tensile impact strengths utilizing a silica supported metallocene-alumoxane catalyst system, wherein at least one of the metallocenes has at least one cyclopentadienyl ring being |
