EP 0283191 A3 19890315 - CORROSION INHIBITION OF METALS IN WATER SYSTEMS USING ORGANIC PHOSPHOROUS DERIVATIVES CONTAINING CARBOXYL GROUPS
Title (en)
CORROSION INHIBITION OF METALS IN WATER SYSTEMS USING ORGANIC PHOSPHOROUS DERIVATIVES CONTAINING CARBOXYL GROUPS
Publication
Application
Priority
US 2771487 A 19870319
Abstract (en)
[origin: EP0283191A2] The inhibition of metal corrosion in water systems by an organic phosphonocarboxylic and/or phosphinocarboxylic acid compound is improved by using in combination therewith a manganese compound capable of providing a manganese ion. The manganese may be in the chelated form with the phosphono- or phosphinocarboxylic compound.
IPC 1-7
IPC 8 full level
C23F 11/167 (2006.01); C23F 11/08 (2006.01); C23F 11/18 (2006.01)
CPC (source: EP KR)
C23F 11/08 (2013.01 - EP KR); C23F 11/167 (2013.01 - KR); C23F 11/18 (2013.01 - KR)
Citation (search report)
- [YD] US 4606890 A 19860819 - FISK PETER R [GB]
- [Y] EP 0009080 A1 19800402 - CIBA GEIGY AG [CH]
- [A] US 3717701 A 19730220 - CARLSON R
- [A] US 3901651 A 19750826 - BENNER ROBERT S, et al
- [A] FR 2391961 A1 19781222 - BAYER AG [DE]
Designated contracting state (EPC)
BE DE FR GB IT NL SE
DOCDB simple family (publication)
EP 0283191 A2 19880921; EP 0283191 A3 19890315; AU 1321288 A 19880922; DK 141388 A 19880920; DK 141388 D0 19880315; FI 881163 A0 19880311; FI 881163 A 19880920; JP S63259086 A 19881026; KR 880011376 A 19881028; NO 881091 D0 19880311; NO 881091 L 19880920; ZA 881767 B 19891129
DOCDB simple family (application)
EP 88301999 A 19880308; AU 1321288 A 19880317; DK 141388 A 19880315; FI 881163 A 19880311; JP 6558688 A 19880318; KR 880002927 A 19880319; NO 881091 A 19880311; ZA 881767 A 19880311