Maria Flytani Stephanopoulos, George R Gavalas, Satish S Tamhankar: High temperature regenerative H.sub.2 S sorbents. California Institute of Technology, Marvin E Jacobs, March 8, 1988: US04729889 (50 worldwide citation)

Efficient, regenerable sorbents for removal of H.sub.2 S from high temperature gas streams comprise porous, high surface area particles. A first class of sorbents comprise a thin film of binary oxides that form a eutectic at the temperature of the gas stream coated onto a porous, high surface area r ...

Ludwig Lange, Jean Diether, Axel Volling, Hans Klebe: Process for the production of finely divided oxides. Deutsche Gold und Silber Scheideanstalt vormals Roessler, Beveridge DeGrandi Kline & Lunsford, May 4, 1976: US03954945 (42 worldwide citation)

Process for the production of a finely divided oxide of a metal or silicon by the hydrolytic conversion of a volatile corresponding metal halide or silicon halide in a flame, said process comprising feeding the volatile halide in a mixture with a combustible hydrogen-containing gas and air or oxygen ...

Yudelson Joseph S C O Sterling: Preparation and magnetic properties of very small magnetite-dextran particles.. Sterling Winthrop, June 8, 1994: EP0600529-A2 (38 worldwide citation)

Particles comprising a magnetically responsive material, preferably magnetite, and a dispersant, preferably dextran, wherein at least 90% of said particles have a particle size range of about 2 to about 10 nm are described, together with a method for their preparation, comprising admixing a magnetic ...

Franz Hund: Production of precipitated red iron (III) oxide pigment relatively free of .alpha.-FEOOH. Bayer Aktiengesellschaft, Burgess Dinklage & Sprung, March 23, 1976: US03946103 (38 worldwide citation)

In the production of a precipitated red iron (III) oxide pigment of hematite structure wherein an aqueous iron (II) salt solution is mixed with an aqueous alkali solution in substantially equivalent quantities to produce an aqueous suspension of iron (II) hydroxide or carbonate, the suspension is ox ...

Khe C Nguyen, Sivapackia Ganapathiappan: Ink-jet printing ink compositions having magnetic properties and specific core/shell binder. Hewlett Packard Company, June 19, 2001: US06248805 (31 worldwide citation)

Specific core-shell binders and magnetic additives for use in ink-jet printing ink compositions are provided. One class of specific core/shell binders has the general formula [A

Kunio Arai, Tadafumi Ajiri: Process for producing fine metal oxide particles. Nissan Chemical, Oblon Spivak McClelland Maier & Neustadt P C, June 3, 1997: US05635154 (31 worldwide citation)

Disclosed herein is a process for producing fine metal oxide particles comprising the step of heat-treating an aqueous solution of a metal salt at a temperature of not lower than 200.degree. C. under a pressure of not less than 160 kg/cm.sup.2 for 1 second to 1 hour so as to bring into the decomposi ...

Mohri Masahide, Koike Hironobu, Tanaka Shinichiro, Umeda Tetsu, Watanabe Hisashi, Saegusa Kunio, Hasegawa Akira: Metal oxide powder and process for producing the same.. Sumitomo Chemical Co, August 9, 1995: EP0666238-A1 (30 worldwide citation)

A powder of a metal oxide except for alpha -alumina, which is constituted of at least six-sided polyhedral particles and has a number-average particle diameter of 0.1-300 mu m and a particle size distribution of 10 or less in terms of D90/D10 (wherein D10 and D90 represent the particle diameters cor ...

Groves Paul, Flynn Gerard, Sang Jean Victor, Burrell Robert Edward: Magnetically attractable particles and method of preparation.. Alcan Int, November 29, 1989: EP0343934-A2 (28 worldwide citation)

Magnetically attractable particles comprise a core of magnetic material encapsulated in a metal oxide coating. They may be made by emulsifying an aqueous solution or dispersion of the magnetic material or precursor, and an aqueous solution or sol of a coating inorganic oxide or precursor, in an iner ...

Gerhard Franz, Franz Hund: Production of lamellar iron oxide pigments. Bayer Aktiengesellschaft, Sprung Horn Kramer & Woods, September 13, 1983: US04404254 (27 worldwide citation)

Synthetic, hexagonal, lamellar iron oxide particles, suitable as corrosion-inhibiting or decorative colored pigments, containing about 0.1 to 12% by weight of at least one oxide of an element of the IVth, Vth or VIth Main and Secondary Groups and of the IInd Secondary Group of the Periodic System of ...

Okinaka Kenji, Maekawa Masaaki: Spindle-shaped goethite particles, spindle-shaped hematite particles and magnetic spindle-shaped metal particles containing iron as main component. Toda Kogyo, May 10, 2000: EP0999185-A1 (26 worldwide citation)

Spindle-shaped goethite particles containing from 8 to 45 atm% of Co, calculated as Co, based on the total amount of Fe, and from 5 to 20 atm% of Al, calculated as Al, based on the total amount of Fe, and having an average major axial diameter of 0.05 to 0.18 mu m, each of said goethite particles co ...