U.S. patents available from 1976 to present.
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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Assignee: The British Petroleum Company p.l.c.


Location: London, GB2
No. of patents: 281

1                
NumberTitleIssue Date
5945458Oxide compositions
The surface area of a zinc oxide composition is increased, and stabilized to heating, by incorporation of a tri or tetra valent metal, especially aluminium or gallium, e.g. in the form of a spinel with the zinc oxide. The composition is preferably made by...
08/31/1999
5811365Zinc oxide composition for use in catalysts
The surface area of a zinc oxide composition is increased, and stabilized to heating, by incorporation of a tri or tetravalent metal especially aluminium or gallium, e.g. in the form of a spinel with the zinc oxide. The composition is preferably made by c...
09/22/1998
5728918Catalyst treatment
A cobalt catalyst for use in the Fischer Tropsch reaction of synthesis gas to form hydrocarbons is activated or regenerated by treatment of a cobalt containing catalyst with a gas containing carbon monoxide, said gas containing less than 30% v hydrogen. T...
03/17/1998
5456868Phenolic resin and carbon products
A method of producing a form-stable sintered porous shaped phenolic resin article with continuous open pore structure and high macroporosity, in which a phenolic resin mixture is partially cured to a solid which is then comminuted to give a comminuted res...
10/10/1995
5435927Lubricating oil composition
A lubricating oil composition for use in an internal combustion engine comprising (1) a lubricating base oil, and (2) a monofunctional perfluoropolyether derivative of the general formula RF -Z where RF is a perfluoropolyether moiety...
07/25/1995
5434328Restructuring of olefins
This invention relates to a process for restructuring an olefinic feedstock rich in linear olefins into a product olefin of narrower composition which is richer in branched olefins than the starting feedstock. Such restructuring is achieved by contacting ...
07/18/1995
5397561Zeolite-type material
A novel zeolite type material, designated SUZ-9 and suitable for use as an absorbent, catalyst or catalyst base, has, in its dehydrated organic free form, the empirical form m (M2/a O):Xz Oxz/2 :y YO2...
03/14/1995
5382741Process for the production of mono-olefins
A process for the production of mono-olefins from a paraffin-containing hydrocarbon feed having at least two carbon atoms which comprises a first step of partially combusting a mixture of the hydrocarbon feed and a molecular oxygen-containing gas in conta...
01/17/1995
5362522Process for the production of a membrane
Novel membranes comprise crystals of a zeo-type material carried by a porous support. The crystal growth of the zeo-type material is essentially continuous over the pores of the support and the zeo-type material is crystallized directly from and bonds dir...
11/08/1994
5344976Process for removing iodide compounds from carboxylic acids and carboxylic acid anhydrides
In a process for removing iodide compounds from a liquid composition comprising carboxylic acids having 2 to 6 carbon atoms or anhydrides thereof, by passing the liquid composition through a silver, mercury, palladium and/or rhodium-exchanged strong acid ...
09/06/1994
5336648Zeolite catalysts suitable for hydrocarbon conversion
A novel catalyst composition comprising a crystalline aluminosilicate having a molar ratio of silica to alumina of at least 5:1, the aluminosilicate carrying gallium and copper, is useful in the conversion at elevated temperature of a C2 -C
08/09/1994
5336826Oxidation of methane over heterogeneous catalysts
Higher hydrocarbons are produced from methane by reacting the methane at elevated temperature, suitably in the range from 600° to 800° C., with an oxygen-containing gas having a ratio of methane to oxygen of greater than the stoichiometric ratio for com...
08/09/1994
5331105Method for inhibiting hydrate formation
A method for inhibiting or retarding gas hydrate formation comprises adding a solution of a compound of formula: ##STR1## wherein R=OH, OCH3, OC2 H5, NHNH2 or H R'=NH2 or NH3+ X,...
07/19/1994
5292993Process for removing impurities from petroleum products
The impurity content, e.g. propionitrile, in a fraction containing C5 or C6 tertiary olefins obtained by cracking hydrocarbons is reduced by distilling with an alkanol and removing the impurity as a higher boiling point fraction....
03/08/1994
5288547Toughened resins and composites
A process for the preparation of a composite comprising reinforcing fibres embedded in a thermosetting resin matrix, the process comprising taking said fibres impregnated with said resin and curing said resin characterized in that a porous membrane film o...
02/22/1994
5262014Process for removing acetone from a mixture of acetone, methyl, acetate and methyl iodide
A process for removing acetone from an acetone/methyl acetate/methyl iodide mixture utilizing extractive distillation with water being introduced to the distillation zone above the point of introduction of the mixture and acetic acid being introduced at o...
11/16/1993
5252359CVD process for the manufacture of ceramic fibers
A process for depositing a coating on a filament, which comprises heating the filament and passing the heated filament through a deposition chamber containing gases which on contact with the hot filament deposit the coating; characterized in that said gas...
10/12/1993
5242998Preparation of sulphonated polyketones
Sulphonated polyketones are prepared by reacting a linear alternating copolymer of carbon monoxide and one or more olefins (polyketone) with a sulphonating agent (e.g. chlorosulphoric acid) in a solvent (e.g. dichloromethane) at a temperature in the range...
09/07/1993
5235122Zeolite catalysts suitable for hydrocarbon conversion
A novel catalyst composition comprising a crystalline aluminosilicate having a molar ratio of silica to alumina of at least 5:1, the aluminosilicate carrying gallium and copper, is useful in the conversion at elevated temperature of a C2 -C
08/10/1993
5233064Preparation of palladium catalysts
Palladium complexes having the general formula Pd(R'CO2)2 X where R' is C1 to C10 alkyl or C6 to C10 aryl and X is a chelating ligand of formula (R2)2 PYP(R2)
08/03/1993
5227524Process for purifying acetic acid and/or acetic anhydride
A process for removing iodide derivatives from liquid acetic acid and/or acetic anhydride comprises contacting the liquid acetic acid and/or acetic anhydride with a strong acid cation exchange resin having from about 4% to about 12% crosslinking, a surfac...
07/13/1993
5218143Process for preparing carboxylic acids
An improved liquid-phase process for preparing carboxylic acids having (n+1) carbon atoms by rhodium catalyzed carbonylation of an alcohol having n carbon atoms is provided. The process is particularily suitable for preparing acetic acid from methanol in ...
06/08/1993
5214126Polymerization of CO/olefin with nickel compound mercapto carboxylic acid reaction product catalyst
A process for preparing polyketones (alternating polymers of carbon monoxide and one or more olefins) is provided. The process is characterized by using the nickel catalyst obtained by reacting a nickel compound, e.g. nickel acetate, nickel carbonyl or bi...
05/25/1993
5210210Chiral auxiliaries and their use in the synthesis of chiral molecules
Chiral imidazolidones and imidazolidinethiones having the general formula: ##STR1## where (a) Z is either oxygen or sulphur (b) the R groups are independently selected from hydrogen or R2 CO where R2 is C1 to C10
05/11/1993
5208201Chemical process and catalyst
A catalyst which comprises zinc, together with an effective amount of a platinum group metal on a support which is a material having the silicalite structure, the framework of said material consisting essentially of silicon and oxygen atoms or of silicon,...
05/04/1993
5190998Bitumen blends
Paving composition comprising a blend of specified bitumen and high vinyl butadiene, substantially free of added sulphur or peroxide, with elastic recovery greater than 50%....
03/02/1993
5187258Process for preparing polketones with boron containing anion from substituted salicylic acid and boric acid
An improved process for preparing linear interpolymers of olefin(s) (e.g. ethylene) and carbon monoxide (Polyketones) is provided. The process comprises polymerizing the olefin(s) with carbon monoxide in the presence of a palladium catalyst derived from a...
02/16/1993
5178837Rock analyzer
A rock analyser includes a chamber containing a heater (2) and the sensor (6) of a hydrocarbon detector (7), the heater (2) being connectable to a source of power (5) and the sensor (6) being connected to the remainder of the hydrocarbon detector (7). The...
01/12/1993
5177303Process for hydrocarbon conversion
A process for the conversion of hydrocarbons using an alumina-based catalyst which is prepared by (a) selecting an alumina catalyst having a bulk density of at least 0.6 g/ml and a pore volume of less than 0.6 ml/g; (b) heating the alumina of (a) to a temperat...
01/05/1993
5177186Process for preparing polyketones with aprotic polar solvent comprising up to 0.5% by weight water
A process for preparing terpolymer polyketones comprises reacting at least two olefins with carbon monoxide at elevated temperature and pressure in the presence of a catalyst prepared from (a) a source of palladium, (b) a source of an anion which either d...
01/05/1993
5170378Hydraulic impedance test method
A method for determining the height and length of a fracture (3) in a borehole (1) involves generating pressure waves in the fluid in the wellbore using a valve (4) and measuring the response at the well-head by means of a transducer (5). A theoretical mo...
12/08/1992
5167888Polymer composites
This invention relates to a method of producing polymer composites comprising a polymeric matrix (Host) in which crystallites of organic and/or inorganic compounds (Guest) are grown in situ. The growth of crystals is achieved by a temperature gradient zon...
12/01/1992
5156883Process for depositing a ceramic coating on a filament
A process for depositing a ceramic coating on a filament, which comprises heating the filament by passage of an electric current via at least two electrodes, and passing the heated filament through a deposition chamber containing games which on contact wi...
10/20/1992
5153280Preparation of sulphonated polyketones
Sulphonated polyketones are prepared by reacting a linear alternating copolymer of carbon monoxide and one or more olefins (polyketone) with a sulphonating agent (e.g. chlorosulphoric acid) in a solvent (e.g. dichloromethane) at a temperature in the range...
10/06/1992
5149680Platinum group metal alloy catalysts for hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters
Catalyst composition comprising an alloy of at least one noble metal of group VIII of the Periodic Table and at least one metal capable of alloying with the group VIII noble metal, admixed with a component comprising at least one of the metals rhenium, tu...
09/22/1992
5148405Method for monitoring acoustic emissions
A non-intrusive method for the determination of characteristics of slug flow in a multiphase flow pipeline comprising the steps of: detecting the acoustic emissions from the pipeline in the ultrasonic frequency range by means of at least one sound transdu...
09/15/1992
5145612Apparatus for mixing vapor in a countercurrent column
The efficiency of mixing vapor in a countercurrent column (1) is improved by use of one or more vapor risers (6) each incorporating a mixing device (7). The method is suitable for use in countercurrent columns operating at high pressures or under vacuum. ...
09/08/1992
5143109Method for breaking emulsions
A method for recovering the surfactant from a dispersion or emulsion of oil and water containing a temperature sensitive surfactant which method comprises the steps of heating the dispersion or emulsion to a temperature above the cloud point of the surfac...
09/01/1992
5141690Method for manufacturing composite material
A method and apparatus for manufacturing perforate, fiber reinforced composite material wherein the fiber reinforcing material is impregnated with the resin which is cured to give a strong light material....
08/25/1992
5139719Sintering process and novel ceramic material
A process for the sintering of a body comprising silicon carbide and a boron-containing material, which comprises heating the body to an effective sintering temperature in the presence of nitrogen; removing the nitrogen by evacuation to a pressure of less...
08/18/1992
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