Class 516/91 - The metal present in the greatest amount is antimony, bismuth, or arsenic

Subclass of Class 516 - Colloid systems and wetting agents; subcombinations thereof; processes of
Definition: Subject matter in which the metal present in the greatest
No. of patents: 37
Last issue date: 11/06/2007

Number	Title	Issue Date
7291652	Diantimony pentoxide sol and method for its preparation A sol having high oxidation purity and containing diantimony pentoxide particles having a primary particle size of from 2 to 50 nm and a Sb2O3/Sb2O5 weight ratio of at most 4 wt % is prepared by reacting a diantimony triox...	11/06/2007
7208229	Modified metal oxide sol, coating compositions and optical element A stable modified metal oxide sol which contains from 2 to 50 wt %, as calculated as metal oxides, of particles (c) comprising colloidal particles (a) of a metal oxide having primary particle diameters of from 2 to 60 nm, as nuclei, and a coating material (b) consis...	04/24/2007
7157024	Metal oxide particle and process for producing same The present invention relates to a metal oxide particle comprising tin atom, zinc atom, antimony atom and oxygen atom, having a molar ratio SnO2:ZnO:Sb2O5 of 0.01–1.00:0.80–1.20:1.00 and having a primary particle diameter of 5 to...	01/02/2007
6962946	Nanoparticles having a rutile-like crystalline phase and method of preparing same Nanometer-sized particles comprise a mixed oxide of titanium and antimony and are characterized by rutile-like crystal phases. The particles are easily prepared by hydrothemal processing, and may be used as colloids, or in various compositions and articles. ...	11/08/2005
6626987	Modified metal oxide sol, coating composition and optical element A stable modified metal oxide sol which contains from 2 to 50 wt %, as calculated as metal oxides, of particles (c) comprising colloidal particles (a) of a metal oxide having primary particle diameters of from 2 to 60 nm, as nuclei, and a coating material...	09/30/2003
6040371	Antimony pentoxide dispersions and method of making Process for preparing an aqueous dispersion of antimony pentoxide sol useful for flame retardancy consisting of the steps forming an aqueous dispersion of phosphated antimony pentoxide sol; mixing the aqueous dispersion with a water-soluble alkanol amine;...	03/21/2000
5906679	Coating compositions employing zinc antimonate anhydride particles The invention relates to coating compositions employing zinc antimonate anhydride comprising zinc antimonate anhydride particles and a liquid of a part-hydrolyzed silane coupling agent, a liquid of hydrolyzed ethylsilicate, a liquid of hydrolyzed methylsi...	05/25/1999
5889103	Polymer scale preventive agent comprising a condensation product of a quinone compound A polymer scale preventive agent for use in polymerization of a monomer having an ethylenically unsaturated double bond, comprising an alkaline solution containing (A) a condensation product having a molecular weight of 400 to 50,000 obtained by condensin...	03/30/1999
5873931	Coating composition having anti-reflective and anti-fogging properties A coating composition which imparts anti-reflective and anti-fog properties to substrates coated therewith. The coating composition utilizes an inorganic metal oxide in combination with particular anionic surfactants. The coating compositions are particul...	02/23/1999
5766512	Zinc antimonate anhydride and method for producing same The object of the invention is to provide a zinc antimonate anhydride and a production method thereof. The invention relates to a particle having a ZnO/Sb2 O5 molar ratio in a range of from 0.8 to 1.2, a crystal structure of zinc ant...	06/16/1998
5707552	Zinc antimonate anhydride and method for producing same The object of the invention is to provide a zinc antimonate anhydride and a production method thereof. The invention relates to a particle having a ZnO/Sb2 O5 molar ratio in a range of from 0.8 to 1.2, a crystal structure of zinc ant...	01/13/1998
5578245	Method of preparing a stable colloid of submicron particles The invention provides submicron particles. The invention further provides submicron particles which are dispersed in an aqueous colloid. The invention further provides a method of forming the stable dispersion which includes providing an ion exchange res...	11/26/1996
5213785	Continuous antimony pentoxide production This invention concerns an improved means of oxidizing aqueous dispersions of antimony trioxide to colloidal hydrous antimony pentoxide in a continuous flow system. The oxidant is hydrogen peroxide and the continuous flow system nominally consists of a st...	05/25/1993
5182048	Colloidal antimony pentoxide powders and method of making Disclosed are a novel class of colloidal antimony pentoxide powders having improved dispersibility in polar solvents; and novel processes for preparing same, which processes include the initial step of preparing a new intermediate consisting of an antimon...	01/26/1993
5008036	Colloidal sols of antimony pentoxide in an aqueous medium and their preparation A colloidal dispersion of hydrous antimony pentoxide particles is made by a process which comprises introducing a particulate antimony component selected from the group consisting of antimony metal and antimony trioxide into an essentially aqueous medium ...	04/16/1991
4988505	Deodorizer There is disclosed a deodorizer which comprises a colloidal antimony pentoxide. A surface of the colloidal antimony pentoxide may be modified by a metal compound, ammonia or an organic base and it may be further modified by an acidic substance. The deodor...	01/29/1991
4933095	Stable antimony compositions for the passivation of metal contaminated cracking catalysts This invention comprises improvements to processes for the catalytic cracking of hydrocarbon feedstocks. One such improvement to catalytic cracking processes provides compositions comprising metals passivating agents having an increased degree of stabilit...	06/12/1990
4927795	Passivation of metal contaminated cracking catalysts This invention comprises improvements to processes for the catalytic cracking of hydrocarbon feedstocks. One such improvement to catalytic cracking processes provides compositions comprising metals passivating agents having an increased degree of stabilit...	05/22/1990
4804496	Rapidly dispersible compositions of antimony pentoxide A process is disclosed for producing a powdered antimony pentoxide composition that rapidly disperses on contact with water. The process comprises spray drying the antimony sol at a temperature of from 180° to 210° F....	02/14/1989
4775412	Aqueous sol of crystalline tin oxide solid solution containing antimony, and production thereof An aqueous sol of a crystalline tin oxide solid solution containing antimony and having a particle size not larger than 300Å is prepared by adding an alkali metal bicarbonate or ammonium bicarbonate to an acidic aqueous solution containing a compound of ...	10/04/1988
4753753	Chemically stable aqueous antimony oxide sol This invention provides an aqueous antimony oxide sol composed of Sb6 O13, 1 to 100 mμ in particle diameter, dispersed in an aqueous medium or composed of said Sb6 O13 treated with a particular quantity of a pa...	06/28/1988
4746459	Self-dispersing tin oxide sols An aqueous sol composition from the group consisting of antimony and tin sols useful in restoring the activity of metal contaminated molecular sieve cracking catalysts which comprises a major portion of an aqueous antimony sol or tin sol containing betwee...	05/24/1988
4731198	Positively charged antimony pentoxide sol and preparation thereof Disclosed is a positively charged antimony pentoxide sol, comprising colloidal particles of antimony pentoxide sol coated on their surfaces with at least one of trivalent and tetravalent metals, the content of the metals being 1 to 50% by weight in terms ...	03/15/1988
4589997	Process for preparing colloidal solution of antimony pentoxide A process for preparing an antimony pentoxide sol, which comprises dispersing sodium antimonate in water, reacting the sodium antimonate with a monovalent or divalent inorganic acid added in a stoichiometrical amount of 0.7 time to 5 times the amount of t...	05/20/1986
4576921	Preparation of dispersions and ceramics from hydrated metal oxides The present invention relates to the preparation of materials and finds application in the preparation of dispersions and gels. The invention provides, in one aspect, a process for the preparation of a dispersion which comprises treating a chemical compound wi...	03/18/1986
4548733	Anionic siliconates of silylorganocarboxylates, sulfonates and phosphonates to reduce viscosities of particulate slurries What is disclosed is a method of reducing the viscosities of aqueous slurries of particulate materials using anionic siliconates of silylorganocarboxylates, sulfonates and phosphonates and the compositions that are obtained thereby. An example is the use ...	10/22/1985
4533538	Method of producing colloidal antimony oxide Colloidal antimony oxide is produced by reacting hydrogen peroxide with antimony trioxide to form a colloidal salt of antimony oxide. In the reaction there is added to the reaction system 1.5 to 30 mol percent of an inorganic alkaline substance per mol of...	08/06/1985
4488984	Self-dispersing antimony oxide sols An aqueous antimony sol composition useful in restoring the activity of metal contaminated molecular sieve cracking catalysts which comprises a major portion of an aqueous antimony sol containing between 1-50% by weight of antimony oxide as Sb2...	12/18/1984
4483765	Oil-dispersible antimony oxide sol dispersed as an oil in water emulsion into a cracking feed It is now known that molecular sieve cracking catalysts used in fluid catalytic cracking units which have been contaminated with such metals as vanadium and nickel can be restored by contacting such contaminated catalysts with antimony-containing compound...	11/20/1984
4360450	Colloidal aqueous dispersion of an alkali metal polyantimonate and a process of making said A process for improving the flame-retardant properties of cellulose containing fibrous materials in the absence of halogen compounds which comprises treating said fibrous materials with an effective amount of a colloidal aqueous dispersion of an alkali me...	11/23/1982
4351741	Method of preparing antimony pentoxide, colloids thereof and their preparation A method of preparing antimony pentoxide from solids containing antimony sulfides is described. The method comprises the steps of (a) leaching the antimony values from the solids with an aqueous potassium hydroxide solution to form an antimony-containing solut...	09/28/1982
4348301	Process for making colloidal sols of antimony pentoxide in an aqueous medium A colloidal dispersion of hydrous antimony pentoxide particles is made by a process which comprises introducing a particulate antimony component selected from the group consisting of antimony metal, oxidizable antimony oxides and mixtures thereof into an ...	09/07/1982
4341655	Method of preparing colloidal sol of pentavalent antimony A method of preparing colloidal sols of pentavalent antimony containing increased amounts of metal is described. More particularly, a method of converting substantially water-insoluble metal antimonates to colloidal sols of pentavalent antimony is describ...	07/27/1982
4110247	Method of preparing colloidal sol of antimony oxide A method of preparing a colloidal aqueous dispersion of antimony pentoxide from substantially water-insoluble metal antimonate is described. The method comprises contacting an aqueous slurry of the metal antimonate with a cation exchange resin whereby the...	08/29/1978
4028266	Stabilized hydrous pentavalent antimony oxide sol composition and its production, production of dry powder from sol composition and resulting dry powder An aqueous stabilized antimony pentoxide sol composition, comprising from 25% to 35% antimony pentoxide, from 6.5% to 17% of an amine and the remainder water, has been prepared. A dried composition obtained from this sol composition has also been prepared...	06/07/1977
4026819	Production of hydrous pentavalent antimony oxide sol composition, dry powder prepared therefrom, and production of said dry powder An aqueous antimony pentoxide sol composition, comprising from 10% to 50% antimony pentoxide and the remainder water has been prepared. This sol composition also may contain up to 5.0% of an amine if desired. When this sol composition contains the amine, ...	05/31/1977
4022710	Process for producing colloidal antimony oxide Colloidal antimony oxide is continuously produced by passing an aqueous dispersion containing antimony trioxide and hydrogen peroxide through a heated tube-type reactor....	05/10/1977

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Class 516/91 - The metal present in the greatest amount is antimony, bismuth, or arsenic