1
Keith K Aldous, Jacob B Angelo, Joseph P Boyle: Process for manufacturing improved process oils using extraction of hydrotreated distillates. Exxon Research and Engineering Company, Joseph J Dvorak, August 29, 2000: US06110358 (204 worldwide citation)

A method for producing a process oil in which a naphthenic rich distillate is processed through a single hydrotreating stage, the hydrotreated distillate is then solvent extracted to yield a process oil which passes IP-346 and AMES screening test.


2
Richard L VanAuken: Golf shaft and method of making same. Exxon Research and Engineering Company, Joseph J Dvorak, May 17, 1977: US04023801 (76 worldwide citation)

A golf shaft and its method of fabrication. The shaft comprises a tapered, scrolled, oblong blank of thin laminated sheet material having alternating laminae of woven glass fabric and resin impregnated unidirectional graphite fibers. The fibers are arranged in a predetermined specific angle of orien ...


3
Wilford S Stewart: Carbon articles. Exxon Research and Engineering Company, Joseph J Dvorak, July 13, 1976: US03969124 (76 worldwide citation)

High strength shaped carbonaceous articles are prepared by combining particles of carbon, graphite and mixtures thereof that have a predetermined particle size and particle size distribution with resin binder and thereafter shaping and curing the mixture. Typically, the shaped article is pyrolyzed. ...


4
Russell J Diefendorf, Dennis M Riggs: Forming optically anisotropic pitches. Exxon Research & Engineering Co, Joseph J Dvorak, June 17, 1980: US04208267 (66 worldwide citation)

An improved process for preparing liquid-crystal containing pitches comprises extracting carbonaceous isotropic pitches with an organic solvent system to provide a solvent insoluble fraction which when heated for 10 minutes or less and to temperatures in the range of about 230.degree. C. to 400.degr ...


5
M Stanley Whittingham: Electrochemical cells with cathode-active materials of layered compounds. Exxon Research & Engineering Co, Joseph J Dvorak, September 20, 1977: US04049887 (63 worldwide citation)

An improved cathode which contains as a cathode-active material a layered compound of the formula MA.sub.x B.sub.y wherein M is at least one metal selected from the group consisting of iron, vanadium, titanium, chromium and indium, A and B are members selected from the group consisting of chalcogeni ...


6
Frank Hershkowitz: Hydrocarbon synthesis process using pressure swing reforming. ExxonMobil Research and Engineering Company, Joseph J Dvorak, May 16, 2006: US07045553 (57 worldwide citation)

The invention provides a method for producing liquid hydrocarbons by first generating in a pressure swing reformer a synthesis gas stream having a mole ratio of H2:CO greater than 2:1. Then, a portion of the hydrogen is separated to produce a synthesis gas stream having a mole ratio of H2:CO of abou ...


7
Richard L VanAuken: Composite tubular elements. Exxon Research & Engineering Co, Joseph J Dvorak, November 6, 1979: US04173670 (56 worldwide citation)

A tubular composite structure for transmitting forces comprises a metal tubular core, preferably of aluminum, having a layer of structural metal adhesive on the exterior surface of the core. On top of the structural adhesive layer are alternating laminae of resin impregnated unidirectional reinforci ...


8
Derek J Angier, Harry W Barnum: Neomesophase formation. Exxon Research & Engineering Co, Joseph J Dvorak, January 22, 1980: US04184942 (54 worldwide citation)

A process for increasing that fraction of an isotropic carbonaceous pitch which is capable of being thermally converted to an optically anisotropic carbonaceous pitch having less than 25 wt. % quinoline insolubles is described. Basically, the pitch is heated at elevated temperatures until spherules ...


9
James A Amick: Method of making solar cell with wrap-around electrode. Exxon Research & Engineering Co, Joseph J Dvorak, Robert S Salzman, December 7, 1982: US04361950 (54 worldwide citation)

A solar cell is provided which has a front electrode which wraps around the edge of the cell and onto a portion of the back of the cell. A second electrode is also provided on the back of the cell thereby permitting all electrical connections to be made on one side of the cell. A method for making s ...


10
Catherine L Coyle, Thomas R Halbert, Edward I Stiefel: Multi-function additive for lubricating oils. Exxon Research and Engineering Company, Joseph J Dvorak, December 18, 1990: US04978464 (53 worldwide citation)

A lubricating oil composition is provided which comprises a major amount of an oil of lubricating viscosity and a minor amount of an additive having the formula Mo.sub.4 S.sub.4 L.sub.6 in which L is a ligand selected from dithiocarbamates, dithiophosphates, dithiophosphinates, thioxanthates, and mi ...