Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant
Patent
1977-03-22
1979-02-13
Lesmes, George F.
Compositions
Compositions containing a single chemical reactant or plural...
Organic reactant
252 89R, 252156, 252531, C11D 3075, C11D 716
Patent
active
041394860
ABSTRACT:
Detergent compositions containing orthophosphate and pyrophosphate builders in prescribed ratios and magnesium silicate are claimed wherein the final composition has a minimum amount of free alkalinity as NaOH. The compositions demonstrate superior whiteness maintenance and lower undesirable residual deposits on fabrics washed therein. The compositions optionally contain a small amount of a water soluble magnesium salt, e.g., magnesium sulfate and may also contain phosphate more condensed than pyrophosphate.
REFERENCES:
patent: 2141189 (1938-12-01), Lind
patent: 2274584 (1942-02-01), Beller
patent: 2381960 (1945-08-01), Johnson
patent: 2382163 (1945-08-01), MacMahon
patent: 2625514 (1953-01-01), Kirshenbauer
patent: 2751357 (1956-06-01), Bowman et al.
patent: 3574121 (1971-04-01), Merkenich et al.
patent: 3590001 (1971-06-01), Taylor et al.
patent: 4007124 (1977-02-01), Collier et al.
patent: 4019999 (1977-04-01), Ohren et al.
"The Importance of Magnesium Silicates in Fiber Protection" Seifen-Ole Fette Wachse, 11-53, by Lindner.
Bailey John
Cassie Leslie H.
Sherrington Paul R.
VAN Roo Paul
Buffalow E. Rollins
Lesmes George F.
The Procter & Gamble & Company
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