Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant
Patent
1981-09-16
1982-12-07
Albrecht, Dennis L.
Compositions
Compositions containing a single chemical reactant or plural...
Organic reactant
252 99, 252175, 423315, C11D 306, C11D 716, C11D 1100, C11D 1706
Patent
active
043626416
ABSTRACT:
This invention is concerned with compositions of granular sodium tripolyphosphate (STPP) and their manufacture, which are suitable for use in the manufacture of automatic dishwasher detergents. The granular STPP compositions contain an overall 30 to 40% by weight of the STPP Phase I modification and no more than 5% of the granules composing the composition shall be of both +50 mesh size and under 25% Phase I concentration. Particle size of the total composition is 10% maximum of both +20 mesh and -100 mesh fractions. Apparent density is 0.7 to 0.9 grams per cubic centimeter. Such compositions are made by using only STPP materials in the 30 to 40% range or by mixing -50 mesh fractions of lower Phase I material with coarser fractions of higher Phase I material so that Phase I content of the total mixture is 30 to 40%.
REFERENCES:
patent: 2712529 (1955-07-01), Mills
patent: 2961409 (1960-11-01), Martin
patent: 2961410 (1960-11-01), Martin
patent: 2977317 (1961-03-01), Rodis
patent: 3169930 (1965-02-01), Gedge
patent: 3233967 (1966-02-01), Shen
patent: 3437433 (1969-04-01), Sproul
patent: 3461074 (1969-08-01), Schwalley
patent: 3469938 (1969-09-01), McLeod
patent: 3932590 (1976-01-01), Pals
Albrecht Dennis L.
Gosz William G.
Occidental Chemical Corporation
Tao James F.
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