1
James M Valentine: Reduction of nitrogen oxides emissions from diesel engines. Platinum Plus, St Onge Steward Johnston & Reens, July 16, 1996: US05535708 (52 worldwide citation)

The present invention relates to a process for reducing nitrogen oxides emissions from a diesel engine, which comprises preparing an emulsion of an aqueous urea solution in diesel fuel, and supplying said emulsion to a diesel engine for combusting therein, whereby combustion of the emulsion leads to ...


2
W Robert Epperly, Barry N Sprague: Method for catalyzing fuel for powering internal combustion engines. Platinum Plus, St Onge Steward Johnston & Reems, July 23, 1991: US05034020 (48 worldwide citation)

The invention presented is a method for catalyzing fuel for powering internal combustion engines. The method comprises admixing with fuel an additive composition comprising at least one fuel-soluble platinum group metal compound in an amount effective to supply from 0.01 to 1.0 parts per million of ...


3
Jeremy D Peter Hoblyn, James M Valentine: Reduction of nitrogen oxides emissions from vehicular diesel engines. Platinum Plus, St Onge Steward Johnston & Reens, December 17, 1996: US05584894 (45 worldwide citation)

The present invention relates to a process for reducing nitrogen oxides emissions from a diesel engine, which comprises preparing an emulsion of water in diesel fuel which contains a catalytically effective amount of catalyst composition and a lubricity additive, and supplying said emulsion to a die ...


4
James M Valentine, Jeremy D Peter Hoblyn: Operation of diesel engines with reduced particulate emission by utilization of platinum group metal fuel additive and pass-through catalytic oxidizer. Platinum Plus, St Onge Steward Johnston & Reens, March 26, 1996: US05501714 (42 worldwide citation)

The invention provides a method employing a fuel additive to improve the operation of a pass-through oxidation catalyst over long periods of time with continued catalytic activity and without the undesirable conversion of SO.sub.2 to SO.sub.3. A pass-through catalyst support is continuously, selecti ...


5
Jeremy D Peter Hoblyn, James M Valentine, W Robert Epperly, Barry N Sprague: Method for reducing pollution emissions from a diesel engine. Platinum Plus, St Onge Steward Johnston & Reens, November 30, 1993: US05266083 (35 worldwide citation)

The invention presented relates to a method for reducing the emission of nitrogen oxides from a diesel engine without significant loss of fuel efficiency and without significant increases in carbon monoxide and hydrocarbon emissions. The method involves preparing a diesel engine such that the inject ...


6
Jeremy D Peter Hoblyn, Barry N Sprague, James M Valentine: Platinum metal fuel additive for water-containing fuels. Platinum Plus, St Onge Steward Johnston & Reens, December 2, 1997: US05693106 (29 worldwide citation)

Platinum group metal fuel additives are effective in fuel environments which make the exclusion of water impractical. The fuels additives comprise a platinum group metal compound and a water-functional composition selected from the group consisting of lipophilic emulsifiers, lipophilic organic compo ...


7
Jeremy D Peter Hoblyn: Method for reducing harmful emissions from two-stroke engines. Platinum Plus, St Onge Steward Johnston & Reens, March 31, 1998: US05732548 (22 worldwide citation)

The effectiveness is prolonged for catalytic oxidizers to reduce emissions of both HC and CO from two-stroke gasoline engines. A compound of a platinum group metal is added to the cylinder of the engine, to make it available as an active oxidation catalyst by combustion of the fuel. Preferably, the ...


8
W Robert Epperly, Barry N Sprague, Danny T Kelso, Wayne E Bowers: Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines. Platinum Plus, St Onge Steward Johnston & Reens, May 12, 1998: US05749928 (19 worldwide citation)

The invention presented involves a method for reducing emissions from or increasing the utilizable energy of fuel for powering diesel, gasoline or gasohol internal combustion engines, the method comprising admixing with the fuel an additive which comprises a fuel-soluble, nonionic, organometallic pl ...


9
W Robert Epperly, Barry N Sprague, Danny T Kelso, Wayne E Bowers: Method for regenerating, replacing or treating the catalyst in a hydroprocessing reactor. Platinum Plus, St Onge Stewart Johnston & Reens, June 1, 1993: US05215652 (15 worldwide citation)

The invention presented involves a method for regenerating, replacing or treating the catalyst in a hydroprocessing reactor, the method comprising admixing with the feedstock, recycle stream or hydrogen stream of the reactor an additive which comprises a nonionic, organometallic platinum group metal ...


10
Peter Hoblyn Jeremy D Lamellon: Method for reducing emissions of nox and particulates from a diesel engine. Platinum Plus, May 1, 1996: EP0708809-A1 (6 worldwide citation)

A method improves the operation of a diesel engine (10) through the use of a fluel additive in container (50), a diesel particulate trap (20) and an NOx-reducing catalyst in chamber (30). The operation of the NOx-reducing catalyst is enhanced by the introduction of urea or like compound upstream in ...