Patents
Patents for C01B 25 - Phosphorus; Compounds thereof (12,526)
03/1997
03/13/1997CA2232263A1 Process for preparing hemipotassium phosphate
03/12/1997EP0761756A1 Stabilizer for halogen-containing resins and process for the preparation thereof, halogen-containing resin composition, and composite hydroxide salt
03/12/1997EP0668889B1 Stabilizer mixtures containing garnet-class compounds for polymers
03/12/1997EP0579666B1 Selective hydroxylation of phenol or phenolic ethers
03/12/1997CN1145062A Novel complex salts of phosphoric and amino acids and fuminant feed additive composition containing the same
03/11/1997US5609850 Treated apatite particles for ultrasound imaging
03/05/1997EP0613391B1 Immobilisation of metal contaminants from a liquid to a solid medium
02/1997
02/25/1997US5605677 Toothpaste
02/25/1997CA2016048C Method for the production of potassium magnesium phosphate
02/18/1997US5604024 Products of reaction of an aluminum compound, a boron-containing acid, a phosphorus-containing acid and an amine
02/12/1997EP0601006B1 Herbicidal compositions
02/12/1997CN1142465A Cycling use method for removing fluorine dreg in production of phosphates
02/12/1997CN1142464A Process for pelletizing broken phosphorus ores
02/05/1997CN1141879A Process for preparation of phosphorous sulfide
02/04/1997US5599939 Reacting 3,3,5-trichloroglutarimide with phosphorus (oxy)chloride; dehydrochlorination
02/04/1997US5599626 Melamine-coated ammonium polyphosphate
01/1997
01/30/1997WO1997003016A1 Fine particles of petaloid porous hydroxyapatite and process for producing the same
01/28/1997US5597542 Process for the treatment of natural apatites with a view to the use thereof for storing irradiated fuel elements
01/28/1997CA2013221C Preparation of phosphorous acid
01/21/1997US5595724 Treated calcium/oxyanion-containing particles for medical diagnostic imaging
01/21/1997US5595688 Water soluble caking inhibitors for ammonium phosphates
01/15/1997EP0752998A1 Thionation process using elemental phosphorus and sulfur
01/15/1997CN1140442A Reactive tricalcium phosphate composition and uses
01/14/1997CA2014628C Spent alkylation acid treatment process
01/09/1997WO1997000714A1 Liquid medium extraction purification method
01/07/1997US5591857 Process for the preparation of 2,3,5,6-tetrachloropyridine
01/03/1997WO1997000016A1 Sodium chloride compatible sodium tripolyphosphate
01/02/1997EP0750587A1 Crystalline borophosphates, their production and use
01/01/1997CN1139072A Wet phosphoric acid purifying techn eliminating fluorine and heavy metals
12/1996
12/31/1996US5588969 Method for supplying phosphorous vapor
12/27/1996EP0749400A1 Reactive tricalcium phosphate compositions and uses
12/25/1996CN1138488A Biological medical material poly Na calcium phosphate, its prodn. method and use
12/18/1996EP0748292A1 Method of making hypophosphorous acid
12/18/1996CN2242882Y Apparatus for negative recovering phosphor from earth-phosphor without pollution
12/17/1996CA2089687C Process for production of red phosphorus powder
12/12/1996WO1996039356A1 Water soluble caking inhibitors for ammonium phosphates
12/11/1996EP0747320A2 Composition for producing phosphine-containing gas
12/11/1996EP0747319A2 Process and apparatus for producing phosphine-containing gas
12/11/1996CN1033501C Process and device for removing lead, cadmium and zinc from dusts
12/03/1996US5580623 Reacting orthophosphoric acid under anhydrous condition with atleast one of calcium carbonate, calcium hydroxide and calcium phosphate to form rapidly setting calcium phophate mineral suitable for bone grafting
12/03/1996US5580490 Crystallites of cerium/lanthanum/terbium phosphates from insoluble rare earth salts
11/1996
11/28/1996WO1996037433A1 Method of treating bone charcoal, product of said method, method of extracting apatite from untreated bone or bone ash, and apatitic material
11/27/1996EP0744396A1 Novel complex salts of phosphoric and amino acids and ruminant feed additive composition containing the same
11/27/1996CN1136801A Reactor container, plant and process for production of sulfuric acid
11/27/1996CN1136532A Process for recovering yellow phosphorus from phosphorus mud
11/27/1996CN1136403A Method for producing fodder grade calcium hydrophosphate by wet phosphoric acid
11/27/1996CN1033385C Process for production of ammonium phosphate from ammonium bicarbonate
11/26/1996US5578182 Electrolytic production of hypophosphorous acid
11/21/1996WO1996036562A1 Bone substitution material and a method of its manufacture
11/21/1996DE19619701A1 Stabilised red phosphorus for use as fire retardant in polyamide etc.
11/20/1996EP0742850A1 Method of synthesizing iii-v semiconductor nanocrystals
11/14/1996DE19517499A1 Ammonium poly:phosphate with low solubility used as flame resistant agent
11/12/1996US5573740 Generation of phosphine from reaction of metal phosphide with water
11/06/1996CN1134915A Method for producing ammonium phosphate by using ammonium bicarbonate as a subtitute for liquified ammonia
11/06/1996CN1134914A Solvent sedimentation method for purifying wet method phosphoric acid
11/05/1996US5571493 Bone repair
10/1996
10/31/1996DE19515480A1 Trisodium phosphate hemihydrate in crystalline stoichiometric composition for use in the food industry
10/29/1996US5569694 Garnet-containing stabilizer mixtures for polymers
10/29/1996US5569490 Tetracalcium phosphate-based materials and processes for their preparation
10/29/1996US5569442 Bone replacements, cements
10/23/1996EP0738776A1 Colloidal alkali or alkaline-earth metal carbonates containing a calcium phosphorous and sulphur compound in micellar form
10/22/1996US5567403 Particles of rare earth phosphate and method for the preparation thereof
10/16/1996CN1033016C Process of filling barrels for non-miscible liquid and equipment thereof
10/15/1996US5565502 For bone repair or replacement
10/09/1996EP0736539A2 Mesoporous crystalline acid composition of a diphosphonate-phosphite of a tetravalent metal which can be used as a catalyst
10/09/1996EP0735983A1 Preparation of lithium hexafluorophosphate solutions
10/09/1996CN1132721A Sodium tripolyphosphate producing method with associated ammonia water product
10/08/1996US5562895 Methods and compositions for mineralizing and flouridating calcified tissues
10/08/1996US5562889 Cerium/lanthanum/terbium mixed phosphates
10/08/1996US5562870 Method of producing hollow, heat-resistant beads
10/03/1996WO1996030300A1 Novel thorium phosphates, method for preparing same, and use thereof for storing radioactive materials
10/02/1996EP0734353A1 Reactor container, plant and process for the production of sulfuric acid
10/02/1996CN1132330A Method and appts. for utilizing tail gas of yellow phosphorus by means of electric furnace method
10/02/1996CN1132104A Extraction of acids and metal salts from queous solutions with diethyl dodecylphosphonate
09/1996
09/19/1996WO1996028508A1 Stabilizer for halogen-containing resins and process for the preparation thereof, halogen-containing resin composition, and composite hydroxide salt
09/19/1996CA2188916A1 Stabilizer for halogen-containing resins and process for the preparation thereof, halogen-containing resin composition, and composite hydroxide salt
09/11/1996CN1130635A Catalyst system for olefin polymerization and process for polymerization of at least one olefin in presence of this catalyst system
09/10/1996US5554781 Monoalkyl phosphonic acid ester production process
09/10/1996US5554404 Leavening acid composition
09/03/1996US5552361 Aluminum phosphate composition with high pore volume and large pore diameter, process for its production and use thereof
08/1996
08/28/1996EP0728728A1 A method for the production of calcium salts of weak acids
08/28/1996CN1129670A Process and apparatus for producing phosphorus by solid reaction with coal combustion heating indirectly
08/27/1996US5550308 Upgrading hydrocarbon feedstock by partially oxidizing in presence of vanadium containing mixed metal phosphate catalyst having sodium super ionic conductor structure
08/27/1996US5550274 Simple, single-stage
08/27/1996US5549878 Processes for the disposal and recovery of phossy water
08/21/1996CN1032581C Continuous production technology for food-grade phosphoric acid
08/20/1996US5547876 Mixing the substance with nontoxic promoter selected from glass frit, niobium pentaoxide, inorganic phosphate and mixture, for accelerating the combustion, decomposing the substance by heating, analyzing elements from product
08/14/1996CN2232912Y Apparatus for reclaiming yellow phosphorus from mud phosphorus
08/13/1996US5545254 Free of calcium oxide
08/06/1996US5543444 Obtained by thermal conversion of white phosphorus using a dispersant; coated with a metal oxide or thermosetting resin; stability; antiagglomerants
08/06/1996US5543209 Multilayer coating of phospho-calcium from hydroxyapatite with tricalcium phosphate
08/06/1996US5543128 Vacuum evaporation
08/06/1996US5543127 Dilute solution of a hydride in liquid nitrogen
08/06/1996US5542973 Bioresorbable; useful for bone and tooth repair
07/1996
07/24/1996EP0722773A1 Adsorbent for activated TGF-beta1, method for detecting activated TGF-beta1, and method for detecting cancer
07/24/1996EP0722772A1 Column packing material comprising OH-carbonated hydroxyapatite
07/17/1996EP0721918A2 Process for producing ammonium polyphosphate of crystalline form II
07/17/1996CN1126699A Prodn of high-concentration defluorinated phosphate with powdered coal as fuel
07/16/1996US5536575 Tetracalcium phosphate-based materials and processes for their preparation
07/11/1996WO1996020890A1 Method of making hypophosphorous acid