Substantially environmental-pollution-free laundry detergent com

Details Substantially environmental-pollution-free laundry detergent com Substantially environmental-pollution-free laundry detergent com

1978-10-31

1980-12-30

Pitlick, Harris A.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 99, 252136, 252142, C11D 360

Patent

active

042422159

ABSTRACT:
A detergent composition is provided containing as essential ingredients one or more surfactants, one or more builders, perborate, and a member of the group chosen from (a) acidic substances acceptable in detergent compositions and having a pK value of at least 2, and (b) compounds which in aqueous solutions of said compositions form said substance in situ, a 0.5% aqueous solution of said composition having an initial pH of 5.0-8.5, measured at room temperature.
The composition may contain further usual additives, and is preferably substantially phosphate-free. Surfactants of the polyether-carboxylic acid type may be used herein advantageously.

REFERENCES:
patent: 2183853 (1939-12-01), Haussmann et al.
patent: 2993745 (1961-07-01), Dorsett
patent: 3600318 (1971-08-01), Mast
patent: 3630930 (1971-12-01), Davis et al.
patent: 3658727 (1972-04-01), Mast
patent: 3741911 (1973-06-01), Shane
patent: 3819538 (1974-06-01), Little et al.
patent: 3956198 (1976-05-01), Bauer
patent: 4104023 (1978-08-01), Woo et al.
Matzner et al., "Organic Builder Salts as Replacements for Sodium Tripolyphosphate (II)", Tensides Detergents, 10 (5), 239-245, (1973).

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