Compositions – Water-softening or purifying or scale-inhibiting agents – Plant or organic material containing
Patent
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).
Buffalow Edith R.
Ethyl Corporation
Johnson Donald L.
McAnelly Shelton B.
Sieberth John F.
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