EP 0238728 A1 19870930 - Corrosion inhibiting.
Title (en)
Corrosion inhibiting.
Title (de)
Korrosionsinhibition Zusammensetzungen.
Title (fr)
Compositions Inhibition de la corrosion.
Publication
Application
Priority
US 84441586 A 19860326
Abstract (en)
A composition and the use of the composition for inhibiting corrosion in industrial cooling waters which contain hardness and have a pH of at least 8, which composition comprises a water-soluble organic phosphonate capable of inhibiting corrosion in an aqueous alkaline environment and a co- or terpolymer of acrylic acid and certain substituted acrylamides such as t-butyl acrylamide.
IPC 1-7
IPC 8 full level
C02F 5/00 (2006.01); C02F 5/14 (2006.01); C08K 5/53 (2006.01); C08L 33/02 (2006.01); C08L 33/26 (2006.01); C09K 15/22 (2006.01); C09K 15/32 (2006.01); C23F 11/10 (2006.01); C23F 11/14 (2006.01); C23F 11/167 (2006.01); C23F 11/173 (2006.01)
IPC 8 main group level
C23F (2006.01)
CPC (source: EP)
C23F 11/10 (2013.01)
Citation (search report)
- [Y] FR 2235205 A1 19750124 - BAYER AG [DE]
- [Y] DE 3015500 A1 19801106 - DREW CHEM CORP
- [A] FR 1598419 A 19700706
- [A] GB 2124607 A 19840222 - KATAYAMA CHEMICAL WORKS CO
- [AD] EP 0171048 A2 19860212 - GOODRICH CO B F [US]
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI NL SE
DOCDB simple family (publication)
EP 0238728 A1 19870930; EP 0238728 B1 19900829; AT E56051 T1 19900915; AU 593082 B2 19900201; AU 7063287 A 19871001; BR 8701331 A 19880105; CA 1329474 C 19940517; CN 1019989 C 19930303; CN 87102313 A 19880224; DE 3673809 D1 19901004; DK 150787 A 19870927; DK 150787 D0 19870325; DK 169709 B1 19950116; ES 2016796 B3 19901201; FI 871242 A0 19870320; FI 871242 A 19870927; GR 3001105 T3 19920512; JP H0146593 B2 19891009; JP S62270786 A 19871125; MX 173411 B 19940302; MX 5678 A 19930901; PT 84551 A 19870401; PT 84551 B 19891110; TR 24741 A 19920306; ZA 872236 B 19871125
DOCDB simple family (application)
EP 86118127 A 19861230; AT 86118127 T 19861230; AU 7063287 A 19870325; BR 8701331 A 19870324; CA 529357 A 19870210; CN 87102313 A 19870325; DE 3673809 T 19861230; DK 150787 A 19870325; ES 86118127 T 19861230; FI 871242 A 19870320; GR 900400963 T 19901126; JP 6776487 A 19870320; MX 567887 A 19870324; PT 8455187 A 19870324; TR 19487 A 19870324; ZA 872236 A 19870326