Patents for C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (8,632) |
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06/29/1976 | US3966630 Use of polyquaternary ammonium methylene phosphonates in chelating or scale inhibition |
06/22/1976 | US3965028 Bisulfite terminated oligomers to prevent scale |
06/22/1976 | US3965027 Scale inhibition and corrosion inhibition |
06/22/1976 | US3965003 Oxypropylated hydrocarbon phosphate |
06/15/1976 | US3963636 Treatment of water or aqueous systems |
06/15/1976 | US3963619 Apparatus for the prevention of scaling in desalination apparatus |
06/08/1976 | US3962119 Non-foaming dispersing composition |
06/08/1976 | US3962110 Process and composition for preventing scale build-up |
06/01/1976 | US3960888 Toothpastes, mouthwashes, sequestering agent, stabilizer |
05/25/1976 | US3959168 Synergistic sequestering agent compositions |
05/25/1976 | US3959167 Method and composition of inhibiting scale |
05/25/1976 | US3958635 Method of inhibiting scale for high temperature steam wells |
05/18/1976 | US3957160 Process for the prevention of precipitations in water or aqueous solutions |
05/11/1976 | US3956164 Antiscaling agents |
05/04/1976 | US3954761 Piperazine phosphonic acids |
04/27/1976 | US3953608 Cosmetic compositions for the skin containing a chitosan derivative |
04/20/1976 | US3951827 Composition and method for removing insoluble scale deposits from surfaces |
04/20/1976 | US3951794 Geothermal power method |
04/20/1976 | US3951793 Method for controlling scale |
04/06/1976 | US3948976 Partial esters of hydroxy polycarboxylic acids |
04/06/1976 | US3948867 Process for polymerizing acrylic acid with inhibitor and retarder present and the use of resultant polyacrylic acids |
04/06/1976 | US3948792 Corrosion and scale softening composition |
03/30/1976 | US3947327 Process and apparatus for recovering clean water from aqueous wastes |
03/02/1976 | US3941772 Azacycloalkane-2,2-diphosphonic acids |
02/17/1976 | US3939226 Sequestrant, fire retardant |
02/17/1976 | US3939100 Combination alkali metal pyrophosphate-alkaline earth metal pyrophosphate detergent builder |
02/03/1976 | US3936380 Means to counteract a clogging of drain pipes |
01/20/1976 | US3933427 Phosphonoalkyldicarboxylic acid |
01/13/1976 | US3932524 Process for the preparation of phosphine oxides and sulphides |
01/13/1976 | US3932274 Method for eliminating metals from a solution containing a very slight amount of the metals |
01/13/1976 | US3932224 Method of preventing scale from being deposited in case of producing fresh water from sea water |
01/06/1976 | US3931038 Scale and corrosion inhibition for cooling water systems |