Chemistry: fertilizers – Processes and products – Forms or conditioning
Patent
1983-02-08
1984-10-30
Hruskoci, Peter
Chemistry: fertilizers
Processes and products
Forms or conditioning
162161, 210764, 424334, C02F 150
Patent
active
044798202
ABSTRACT:
There are employed as biocides for aqueous systems water soluble low molecular weight polycondensation products which are produced from acrolein and formaldehyde in the molar ratio between 1:1 and 1:10 in aqueous or aqueous-organic medium in the presence of a basic catalyst. The condensation reaction can also be carried out in the additional presence of water soluble mono- or polyhydric alcohols and/or acid amides.
REFERENCES:
patent: 2428329 (1947-09-01), Ham et al.
patent: 3006807 (1961-10-01), Legator
patent: 3052594 (1962-09-01), Baker
patent: 3250667 (1966-05-01), Legator
patent: 4040977 (1977-08-01), Eggensperger et al.
Merk Wolfgang
Rink Karl-Heinz
Degussa Akteingesellschaft
Hruskoci Peter
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