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公开(公告)号:ZA733569B
公开(公告)日:1974-04-24
申请号:ZA733569
申请日:1973-05-25
Applicant: BAYER AG
Inventor: BOHNSACK G , GEFFERS H , KALLFASS H , RADT W
IPC: C02F5/00 , C02F5/08 , C02F5/10 , C02F5/14 , C23F11/08 , C23F11/167 , C23F11/18 , C23F14/02 , C02B
Abstract: Preventing corrosion and scale formation in water re-circulating systems by adding to each cubic meter of the water being re-circulated from about 5 to 100 grams of a compound selected from the group consisting of those of the formula OR PARALLEL ¦ (HO)2P- C- COOH ¦ CH2- COOH and the water-soluble salts thereof R being hydrogen, alkyl, alkenyl or alkinyl having up to 4 carbon atoms; phenyl; cycloalkyl having 3 to 6 carbon atoms; benzyl; phenethyl or R'R'' ¦¦ - CH- CH- R''' wherein R' is hydrogen, alkyl having 1 to 4 carbon atoms or carboxyl, R'' is hydrogen or methyl and R''' is carboxyl.
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公开(公告)号:ZA7303569B
公开(公告)日:1974-04-24
申请号:ZA7303569
申请日:1973-05-25
Applicant: BAYER AG
Inventor: BOHNSACK G , GEFFERS H , KALLFASS H , RADT W
IPC: C02F5/00 , C02F5/08 , C02F5/10 , C02F5/14 , C23F11/08 , C23F11/167 , C23F11/18 , C23F14/02 , C02B
CPC classification number: C02F5/145 , C23F11/08 , C23F11/1676
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