Sequestering agent

Details Sequestering agent Sequestering agent

1974-05-17

1976-07-27

Weinblatt, Mayer

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

252 89R, 252524, 252527, 252546, 252DIG11, C11D 320, C02B 500

Patent

active

039717283

ABSTRACT:
To obviate eutrophication of lakes, streams, etc., non-phosphorus highly biodegradable builders and sequestrants are provided for household and industrial use. These builders and sequestrants are either (1) a cis-2,5-disubstituted tetrahydrofuran in which the substituents are carboxy or carboxymethyl groups, (2) water soluble salts of such tetrahydrofurans, or (3) mixtures of (1) and (2). Conventional detergent actives may also be utilized in combination with the builders or sequestrants of this invention.

REFERENCES:
patent: 3580852 (1971-05-01), Yang
patent: 3635830 (1972-01-01), Lamberti
patent: 3692684 (1972-09-01), Hentschel
"Formation of Heterocycli Compounds," LeSuenr & Haas, J. Chem. Soc., 97, 173 (1910).
"The Conversion of Sucrose into Furan Compd.," Haworth et al., J. Chem. Soc., 1, 1945.
"Amino Alcohols Containing The 8-Oxa-3 Azabicyclo. . . " Cope et al., J. Am. Chem. Soc., 77, 393 (1955).

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