Title (en)

Use of acylated 3-amino-1,2,4 triazoles as corrosion inhibitors for non-ferrous heavy metals.

Title (de)

Verwendung von acylierten 3-Amino-1,2,4-triazolen als Korrosionsinhibitoren für Buntmetalle.

Title (fr)

Utilisation de 3-amino-1,2,4 triazoles acylés comme inhibiteurs de corrosion de métaux lourds non ferreux.

Publication

EP 0249162 A1 19871216 (DE)

Application

EP 87108160 A 19870605

Priority

DE 3620025 A 19860613

Abstract (en)

[origin: US4874579A] 3-acylamino-1,2,4-triazoles corresponding to the following general formula <IMAGE> (I) and 1-acyl-3-amino-1,2,4-triazole corresponding to the general formula <IMAGE> (II) in which R is a linear or branched C1-11 alkyl or phenyl, and mixtures thereof are used as corrosion inhibitors for non-ferrous metals in aqueous systems, oils and oil-containing emulsions.

Abstract (de)

Die Erfindung betrifft die Verwendung von 3-Acylamino-1,2,4-triazolen der allgemeinen Formel (I) <IMAGE> und von 1-Acyl-3-amino-1,2,4-triazolen der allgemeinen Formel (II) <IMAGE> in denen R ein geradkettiger oder verzweigter Alkylrest mit 1 bis 11 C-Atomen oder ein Phenylrest ist, sowie deren Gemischen als Korrosionsinhibitoren für Buntmetalle in wäßrigen Systemen, Ölen und ölhaltigen Emulsionen.

IPC 1-7

C10M 133/44; C23F 11/14

IPC 8 full level

C07D 249/14 (2006.01); C10M 133/44 (2006.01); C10M 173/00 (2006.01); C23F 11/14 (2006.01); C10N 30/12 (2006.01); C10N 40/04 (2006.01); C10N 40/22 (2006.01); C10N 40/24 (2006.01)

CPC (source: EP US)

C10M 133/44 (2013.01 - EP US); C10M 173/00 (2013.01 - EP US); C23F 11/149 (2013.01 - EP US); C10M 2201/02 (2013.01 - EP US); C10M 2201/063 (2013.01 - EP US); C10M 2207/022 (2013.01 - EP US); C10M 2207/125 (2013.01 - EP US); C10M 2207/129 (2013.01 - EP US); C10M 2207/18 (2013.01 - EP US); C10M 2207/281 (2013.01 - EP US); C10M 2207/282 (2013.01 - EP US); C10M 2207/283 (2013.01 - EP US); C10M 2207/286 (2013.01 - EP US); C10M 2209/104 (2013.01 - EP US); C10M 2209/105 (2013.01 - EP US); C10M 2215/08 (2013.01 - EP US); C10M 2215/082 (2013.01 - EP US); C10M 2215/22 (2013.01 - EP US); C10M 2215/221 (2013.01 - EP US); C10M 2215/223 (2013.01 - EP US); C10M 2215/225 (2013.01 - EP US); C10M 2215/226 (2013.01 - EP US); C10M 2215/28 (2013.01 - EP US); C10M 2215/30 (2013.01 - EP US); C10M 2219/022 (2013.01 - EP US); C10M 2219/024 (2013.01 - EP US); C10M 2219/044 (2013.01 - EP US); C10N 2010/02 (2013.01 - EP US); C10N 2040/02 (2013.01 - EP US); C10N 2040/08 (2013.01 - EP US); C10N 2040/20 (2013.01 - EP US); C10N 2040/22 (2013.01 - EP US); C10N 2040/24 (2013.01 - EP US); C10N 2040/241 (2020.05 - EP US); C10N 2040/242 (2020.05 - EP US); C10N 2040/243 (2020.05 - EP US); C10N 2040/244 (2020.05 - EP US); C10N 2040/245 (2020.05 - EP US); C10N 2040/246 (2020.05 - EP US); C10N 2040/247 (2020.05 - EP US); C10N 2050/01 (2020.05 - EP US)

Citation (search report)

• [Y] US 4283296 A 19810811 - NEBZYDOSKI JOHN W, et al
• [A] GB 2094776 A 19820922 - DEARBORN CHEMICALS LTD
• [Y] PATENT ABSTRACTS OF JAPAN, Band 10, Nr. 85 (C-336)[2142], 4. April 1986; & JP-A-60 218 484 (DENKI KAGAKU KOGYO K.K.) 01-11-1985
• [Y] CHEMICAL ABSTRACTS, Band 100, 1984, Seite 264, Zusammenfassung Nr. 214279e, Columbus, Ohio, US; & JP-A-59 09 178 (MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD) 18-01-1984

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0249162 A1 19871216; BR 8702978 A 19880308; DE 3620025 A1 19871217; JP S6310699 A 19880118; US 4874579 A 19891017

DOCDB simple family (application)

EP 87108160 A 19870605; BR 8702978 A 19870612; DE 3620025 A 19860613; JP 14780987 A 19870612; US 6229487 A 19870612