| Patents for C01B 25 - Phosphorus; Compounds thereof (12,526) |
|---|
| 08/16/1977 | US4042666 Method of treating phosphate-containing material to reduce problem with clay swelling |
| 08/09/1977 | US4041134 Process for removing sulfate ions from extracted phosphoric acid employing barium compounds and activated carbon |
| 08/09/1977 | US4041133 Mixing mineral acids and phosphoric acid, reacting with ammonia |
| 08/09/1977 | US4040894 Process of preparing crystals of compounds and alloys |
| 08/02/1977 | US4039624 Method of producing phosphoric acid from high iron and aluminum content phosphate rocks using nitric acid |
| 08/02/1977 | US4039611 Method for treating residues, left over after the gas release, of pest control agents that contain earth metal phosphides and/or alkaline earth metal phosphides |
| 07/19/1977 | US4036932 Liberated nitrogen incorporated into crystal lattice |
| 07/12/1977 | US4035293 Process for treating an acidic waste water stream |
| 07/12/1977 | US4035154 Separate cooling device |
| 07/05/1977 | US4033842 Production of monobasic potassium phosphate by electrodialysis |
| 06/21/1977 | US4030709 Method of plugging tapholes in phosphorus furnaces |
| 06/14/1977 | US4029743 From phosphate rock |
| 06/14/1977 | US4029742 Process of producing Maddrell salt |
| 06/14/1977 | US4029582 Poly(arylether-sulfone) semipermeable membrane comprising substituted halomethyl and/or quaternary nitrogen groups |
| 06/14/1977 | US4029514 Method of precipitating microfine silica using phosphate |
| 06/14/1977 | US4029513 Surface treated silica |
| 06/14/1977 | US4029512 Gypsum suspension, saturated steam, calcining |
| 05/31/1977 | US4026995 Process for defluorination of commercial phosphoric acid |
| 05/31/1977 | US4026994 Reducing gallium phosphate, adding phosphorus, gallium phosphide or phosphine |
| 05/31/1977 | US4026990 Production of low-fluorine gypsum as a by-product in a phosphoric acid process |
| 05/24/1977 | US4025608 Zirconium phosphate |
| 05/17/1977 | US4024225 Method of making high purity alkali metal phosphates from wet-process phosphoric acid |
| 05/03/1977 | US4021528 Process for preparing AlH3 (PO4)2.3 H2 O |
| 04/19/1977 | US4018869 Solvent extraction |
| 04/12/1977 | US4017589 Heating in ammonia atmosphere |
| 04/12/1977 | US4017588 Slurrying, crystallization |
| 04/12/1977 | US4017585 Phosphate rock |
| 04/12/1977 | US4017399 Method and apparatus for filtration of slurries |
| 04/05/1977 | US4016238 Process for the obtention of alumina and phosphate values by the alkaline decomposition of silica-containing aluminum phosphate ores |
| 03/29/1977 | US4015050 Plastics film with an aluminium phosphate coating |
| 03/29/1977 | US4014813 Hafnium pyrophosphate phosphors and methods of preparation |
| 03/22/1977 | US4013756 Process for preparing phosphine |
| 03/15/1977 | US4012491 Phosphate process |
| 03/08/1977 | USRE29149 Production of ammonium phosphates and product thereof |
| 03/08/1977 | US4011301 Ammonium phosphate production and the reduction of fluorine and silicon emissions |
| 03/08/1977 | US4011300 Method of producing ammonium polyphosphate |
| 03/01/1977 | US4010241 Process for the production of hydrogen fluoride, phosphoric anhydride, calcium polyphosphates and nitric acid |
| 02/22/1977 | US4009245 Process for the manufacture of monoammonium phosphate |
| 02/22/1977 | US4009092 Substituted lithium phosphates and solid electrolytes therefrom |
| 02/15/1977 | US4008314 From ammonia and phosphoric acid |
| 02/15/1977 | US4008307 Production of monobasic potassium phosphate by ion exchange |
| 02/15/1977 | US4008299 Method of making a fibre of aluminium phosphate |
| 02/15/1977 | US4008064 Method of pan granulation |
| 02/08/1977 | US4007030 Process for the simultaneous manufacture of phosphoric acid or the salts thereof and a complex multi-component mineral fertilizer |
| 01/25/1977 | US4005232 Coatings of metal phosphates on metals or glass |
| 01/25/1977 | US4005175 Sulfate process |
| 01/25/1977 | US4005172 Solid complex phosphate of aluminum |
| 01/04/1977 | US4001383 Impure sulfuric acid treatment process |
| 12/28/1976 | US4000245 Process for arc heater production of defluorinated phosphates |
| 12/21/1976 | US3998931 Process for continuous conversion of liquid white phosphorus to red phosphorus in agitated slurry |
| 12/21/1976 | US3998929 Fluidized bed process |
| 12/21/1976 | US3998631 Oxidation of molten ferrophosphorous |
| 12/07/1976 | US3996336 Purification of phosphoric acid |
| 11/30/1976 | US3995013 Process for the preparation of phosphorus pentachloride |
| 11/30/1976 | US3994569 Tl3 PSe4 compound, single crystals, and acousto-optical devices |
| 11/23/1976 | US3993736 Purification with activated carbon, precipitation, neutralization |
| 11/23/1976 | US3993735 Cleanup of wet process phosphoric acid |
| 11/23/1976 | US3993734 Process for the manufacture of alkali metal polyphosphates |
| 11/23/1976 | US3993733 Food grade alkali metal phosphates from wet process H3 PO4 |
| 11/23/1976 | US3993729 Process for the manufacture of potassium phosphates |
| 11/09/1976 | US3991165 Process for the purification of phosphoric acid using amines |
| 11/09/1976 | US3991164 Process for the dearsenication of polyphosphoric acid |
| 11/09/1976 | US3991163 Process for the production of III-V compounds |
| 11/02/1976 | US3988920 Method for detecting a leak in a reaction tube when forming a IIIA-VB compound |
| 10/26/1976 | US3988420 From phosphate rock |
| 10/26/1976 | US3988140 Process for making stable sludge-free ammonium polyphosphate fertilizer solutions |
| 10/12/1976 | US3985675 Process for gelling aqueous polyol suspensions and resulting gel |
| 10/05/1976 | US3984525 Manufacture of phosphoric acid |
| 10/05/1976 | US3984313 Preferential removal of ammonia and phosphates |
| 09/21/1976 | US3982036 Animal feed supplement |
| 09/21/1976 | US3982008 Animal feeds |
| 09/21/1976 | US3981974 Method for producing an alkali metal pyrophosphate |
| 09/21/1976 | US3981970 Method for the production of a zeolite material |
| 09/21/1976 | US3981196 Apparatus for temperature measurement |
| 08/31/1976 | US3978196 Phosphoric acid purification |
| 08/31/1976 | US3978195 Process for the production of substantially water-insoluble linear ammonium polyphosphates |
| 08/24/1976 | US3976752 Manufacture of water-insoluble ammonium polyphosphate |
| 08/17/1976 | US3975308 Preparation of pyrophosphates |
| 08/17/1976 | US3975178 Purification of wet-process phosphoric acid with methanol and ammonia |
| 08/10/1976 | US3974263 Phosphoric acid, ammonia |
| 08/10/1976 | US3974262 Two stage process for producing ammonium phosphates |
| 08/10/1976 | US3974260 Desensitized free-flowing red phosphorus |
| 08/10/1976 | US3974047 Electrolytic cation exchange process for conjoint manufacture of chlorine and phosphate salts |
| 08/03/1976 | US3972982 Extraction with a silane and a hydrocarbyl amine |
| 08/03/1976 | US3972981 Method of preventing gypsum scale formation in phosphoric acid plant filters |
| 07/20/1976 | US3970741 Method for purifying phosphoric acid |
| 07/20/1976 | US3970511 Process and installation for concentrating dilute solutions of corrosive products |
| 07/13/1976 | US3969293 Basic zinc phosphites |
| 07/06/1976 | US3967948 Purification of phosphoric acid with urea and nitric acid |
| 06/22/1976 | US3965248 Phosphorus pentoxide |
| 06/22/1976 | US3965245 Method for preparing alkali metal orthophosphates and ammonia in a single step |
| 06/22/1976 | US3965025 Method for manufacturing alkaline detergents and desinfectants |
| 06/01/1976 | US3960592 Phosphates |
| 05/18/1976 | US3957955 Process for preparation of sodium ammonium phosphate |
| 05/18/1976 | US3957954 High-temperature reaction method for producing group II-VI or a group III-V compound |
| 05/11/1976 | US3956465 Extraction with isobutanol, gelation inhibition |
| 05/11/1976 | US3956464 Preparation of phosphates |
| 05/11/1976 | US3956463 Production of phosphorus oxyhalide |
| 05/11/1976 | US3956462 Production of hydrogen phosphide and phosphoric acid |
| 05/11/1976 | US3956112 Of solute from immiscible liquid |