Patents for C09C 1 - Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black (27,610)
03/1993
03/04/1993DE4128563A1 Magnetic iron oxide pigment prodn. for tape - comprises coating iron oxide core with cobalt ferrite and/or bertholloid cpd. contg. cobalt in three stages
03/03/1993EP0372028B1 Improved chrome yellow and molybdenum orange pigments, process for producing them, and their use
03/02/1993US5190900 Solubilization with a sugar/acid solution, filtration, decoloring, bleaching
03/02/1993US5190739 Production of carbon blacks
03/02/1993US5190615 Low brightness functional pigment from process by-product
03/02/1993US5190567 Sintered aluminous abrasive grains and method of producing the same
02/1993
02/24/1993EP0528195A1 Process for production of diamond abrasive grains
02/24/1993CN1069244A Process for preparation of precipitated silica, precipitated silica and their application in strengthening process of elastomers
02/23/1993US5188899 Silica-core silicone-shell particles, emulsion containing the same dispersed therein, and process for producing the emulsion
02/23/1993US5188814 Bleaching calcium carbonate particles with hydrogen peroxide solution
02/23/1993US5188806 With combustion fuel conduits arranged circumferentially in forward wall of combustion chamber and impact surface on opposite side for turbulent gas flow and uniform mixing
02/16/1993US5187223 Rubber composition containing carbon black powder
02/16/1993US5186748 Process for the preparation of bismuth vanadate pigments, and novel bismuth vanadate pigments of high color strength
02/16/1993US5186746 High performance sams pigments of low oil, absorption, preparation, properties and end-use applications
02/16/1993CA1313641C Method for reclaiming carbonaceous material from a waste material
02/11/1993DE4126461A1 Inorganic mol. sieve charged with water insol. organic dyestuff - comprises dyestuff having mol. size corresp. at most to pore size of mol. sieve, used as pigment or optical storage material
02/10/1993EP0526712A1 Photochromic ultra-violet ray shield powder, method of manufacturing the same, and skin external preparations using the same
02/09/1993US5185141 Process for the production of iron oxide yellow pigments
02/09/1993US5184779 Method of producing granulated material composed of zinc oxide and silica, resulting product and its use
02/04/1993WO1993002112A1 Process for preparing a dispersion and for preparing polymer particles
02/04/1993WO1993001883A2 Structural aggregate-tio2 pigment products
02/04/1993CA2113926A1 Aggregate-tio2 pigment products
02/03/1993EP0526121A1 Calcium-magnesium carbonate composite and method for the preparation thereof
02/03/1993EP0525526A1 Carbon containing metal oxide pigments
01/1993
01/27/1993EP0524789A1 Process for preparing cubic boron nitride abrasive
01/27/1993EP0524528A1 Electrorheological fluid
01/26/1993US5182173 Coated particles and method for making same
01/26/1993US5181662 Polymer or copolymer of a carboxylated monomer as a grinding aid
01/26/1993CA2070437A1 Cubic boron nitride abrasive and process for preparing same
01/26/1993CA1313104C Method of hydrophobing silica
01/20/1993EP0523654A1 Toner for developing electrostatic image
01/20/1993EP0523436A2 Variable temperature tubular heat exchanger for constant volume ratio between the exchange gases as well as heat exchange process
01/20/1993EP0523399A1 Thermally stable black pigment, process for its preparation and its use
01/20/1993EP0523357A2 Platy substrate with modified surface of improved properties relating to sedimentation and mixing
01/20/1993CN1068152A Production of expansible graphite
01/20/1993CN1068151A Preparation for expansible graphite
01/20/1993CN1068129A Surface-modified plate-like pigments
01/19/1993US5180585 Antimicrobial compositions, process for preparing the same and use
01/19/1993CA1312989C Bulking pigments
01/14/1993CA2073573A1 Temperature variable nest of heat exchanger tubes for constant quantitative ratios of the exchange gases and a heat exchange process
01/13/1993EP0522916A2 Organosilicon-treated pigment, process for production thereof, and cosmetic made therewith
01/13/1993EP0522678A2 The treatment of lamellar or plate-like materials
01/13/1993EP0522370A1 Polymeric moulding composition containing pigment
01/12/1993US5178948 Method and apparatus for production of rubber dispersible pellets
01/12/1993US5178909 Reduction of silver compounds in the presence of a chelate compound
01/12/1993US5178676 Ethoxylated ethylenic diols or octylphenols of specified, intermediate hydrophilic-lipophilic balance; good wetting
01/07/1993WO1993000408A1 Platelet-like coated pigments, their production and their use
01/07/1993DE4122448A1 New non toxic violet and blue pyro-phosphate pigment cpds., - prepd. from mixts. of alkali and ammonium oxide(s), hydroxide(s), and alkali and ammonium phosphate
01/07/1993DE4120747A1 Pigmente Pigments
01/06/1993CN1067666A Purification treating method of powder packing
01/06/1993CN1067634A Mixing method of water glass
01/05/1993US5176960 High-strength silicone rubber particulate
01/05/1993US5176905 Anatase Titanium Oxide
01/05/1993US5176797 As dispersants
01/03/1993CA2072667A1 Temperature-resistant black pigment, a process for its production and its use
12/1992
12/30/1992EP0520862A1 Process for the preparation of precipitated silica, precipitated silicas thus obtained, and their use in the reinforcement of rubbers
12/30/1992EP0520746A1 Surface-treated alumina and thermally conductive silicone composition containing the same
12/30/1992EP0520313A2 Plate-like pigments with modified surfaces
12/30/1992EP0519988A1 Improved treadwear/hysteresis carbon blacks.
12/29/1992US5174817 Heating with waste gases, grinding, micronizing; bittle, dust-free and homogenolis
12/22/1992US5173284 Process for preparation of purified calcium sulfate in an aqueous medium
12/17/1992DE4119668A1 Yellow bismuth vanadate pigment - is produced from bismuth and vanadium oxide in nitric acid suspension and used for pigmenting lacquer and plastics
12/16/1992EP0517773A1 Doped zinc oxide-based pigment
12/15/1992US5171774 Ptc compositions
12/15/1992US5171631 Spacer/extender for titanium dioxide in pigment systems for coatings
12/15/1992US5171365 Synthetic alkali metal alumino-silicates compositions and their methods of preparation
12/15/1992US5171364 Slurrying with alkali metal hydroxide and dopant salt, adjustment ph, aging, separating, washing, drying, firing
12/15/1992US5171363 Optically variable printing ink
12/15/1992US5171332 Placing fabric in reactive solution, evacuation pressure, restoring pressure, repeating
12/15/1992CA1311573C Silica obtained by precipitation, absorbing little water, process for their precipitation and their application to reinforce silicone elastomers
12/10/1992WO1992021811A1 Buff rutile pigment compositions
12/10/1992WO1992021726A1 Composite pigment and method for the production
12/10/1992CA2110596A1 Composite pigment and method for the production
12/10/1992CA2109959A1 Buff rutile pigment compositions
12/09/1992EP0516800A1 Yellow bismuth phosphovanadate and/or silicovanadate-based pigments, and methods for preparing same
12/09/1992CN1066862A Carbon black for agricultural film and it colour mothor material
12/08/1992US5169443 Mechanical delaminated fine particle; low viscosity, opacity
12/08/1992US5169442 Finely powdered flaky substrate coated with co-precipitated mixture containing cobalt oxide, magnesium oxide, calcium oxide, titanium oxide
12/08/1992CA1311091C Carbonate-containing mineral fillers, pigments and similar materials
12/02/1992EP0515928A1 Surface-modified plate-shaped pigments with improved mixing behaviour
12/02/1992EP0515757A1 Porous particles of calcium carbonate and method for the preparation thereof
12/02/1992EP0515602A1 Surface-modified flake-like substrates.
12/01/1992US5168106 Improved traction and wear resistance for high performance and racing tires
12/01/1992US5168083 High opacity defined kaolin product and method of producing same
12/01/1992US5168012 Carbon black beads with latex additive
12/01/1992US5167708 Trivalent chromium oxide; chromate-free pigments by annealing with boric acid or phosphorus pentoxide
12/01/1992US5167707 Hydrothermally produced synthetic sodium aluminosilicates
12/01/1992CA1310941C Natural calcium carbonate ores
12/01/1992CA1310820C Corrosion inhibiting pigment
11/1992
11/29/1992CA2055727A1 Process for preparing conductive acicular zinc oxide
11/26/1992WO1992020619A1 Cationic layer compounds modified with polymers
11/26/1992WO1992020522A1 Thermoplastic coated magnetic powder compositions and methods of making same
11/26/1992DE4117034A1 Kationische schichtverbindungen modifiziert mit polymeren Cationic layer compounds modified with polymeric
11/25/1992EP0514577A1 Process for the deferrization of ceramic materials
11/25/1992EP0495784A4 Process for making structural aggregate pigments
11/24/1992US5166103 Reaction of tungsten oxide or ammonium paratungstate with carbon powder
11/24/1992US5165997 Quartz Grains Coated With Benzoyl Peroxide, Protective Layer of Pyrogenic Silicic Acid
11/24/1992US5165995 Process for coating titanium dioxide pigments
11/24/1992US5165915 Cosmetic compositions
11/24/1992CA1310551C Coated silicate particles