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
Richard L VanAuken: Composite tubular elements. Exxon Research & Engineering Co, Joseph J Dvorak, November 6, 1979: US04173670 (55 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 ...


7
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 ...


8
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 ...


9
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 ...


10
Allan J Jacobson, Teh C Ho, Russell R Chianelli, John J Steger, Angelo A Montagna: Hydrotreating catalysts comprising a mixture of a sulfide of a promoter metal amorphous sulfide of trivalent chromium and microcrystalline molybdenum or tungsten sulfide. Exxon Research and Engineering Company, Joseph J Dvorak, January 26, 1988: US04721558 (53 worldwide citation)

A composition of matter comprising a mixture of (i) a sulfide of at least one promoter metal selected from the group consisting of Ni, Co, Mn, Cu, Zn and mixture thereof and mixtures thereof with Fe, (ii) an amorphous sulfide of trivalent chromium and (iii) microcrystalline of metal sulfide of a met ...