Global Patent Index - EP 0177786 A1

EP 0177786 A1 19860416 - Anti-corrosion treatment process for iron materials.

Title (en)

Anti-corrosion treatment process for iron materials.

Title (de)

Verfahren zur Antikorrosionsbehandlung von Eisenmaterialien.

Title (fr)

Procédé pour le traitement anticorrosif de matériaux en fer.

Publication

EP 0177786 A1 19860416 (EN)

Application

EP 85111452 A 19850910

Priority

JP 18878484 A 19840911

Abstract (en)

A novel anti-corrosion treatment process for iron materials is disclosed. The treatment comprises forming zinc coating on the surface of an iron material by the mechanical zinc plating and then treating the plated surface with a non-aqueous chromating composition. The process brings about practically sufficient anti-corrosion effect economically without provision for treating waste liquid.

IPC 1-7

C23C 22/37; C23C 24/04; B24C 11/00

IPC 8 full level

C23C 22/37 (2006.01); C23C 22/04 (2006.01); C23C 22/78 (2006.01); C23C 24/04 (2006.01); C23C 28/00 (2006.01); C23C 28/04 (2006.01)

CPC (source: EP KR)

C23C 22/04 (2013.01 - EP); C23C 22/37 (2013.01 - KR); C23C 22/78 (2013.01 - EP); C23C 24/04 (2013.01 - EP); C23C 28/321 (2013.01 - EP); C23C 28/34 (2013.01 - EP)

Citation (search report)

  • JP S5645372 A 19810425 - DOWA TEPPUN KOGYO KK
  • AT 262712 B 19680625 - DIAMOND ALKALI CO [US]
  • CH 449377 A 19671231 - DU PONT [US]
  • US 4059452 A 19771122 - NISHIJIMA MASANORI, et al
  • US 3963527 A 19760615 - LINDEMANN KARL H
  • PATENT ABSTRACTS OF JAPAN, unexamined applications, C field, vol. 4, no. 151, October 23, 1980 THE PATENT OFFICE JAPANESE GOVERNMENT page 97 C 28 * JP - A - 55-97 476 ( NIPPON PAINT K.K: ) *
  • PATENT ABSTRACTS OF JAPAN, unexamined applications, C field, vol. 5, no. 128, August 1981 THE PATENT OFFICE JAPANESE GOVERNMENT page 70 C 67 * JP - A - 56-62 970 ( TOKUYAMA SODA K.K. ) *
  • PATENT ABSTRACTS OF JAPAN, unexamined applications, C field, vol. 6, no. 15, January 28, 1982 THE PATENT OFFICE JAPANESE GOVERNMENT page 143 C 89 * JP - A - 56-139 679 ( NIPPON PAINT K.K. ) *

Designated contracting state (EPC)

CH DE FR GB IT LI NL

DOCDB simple family (publication)

EP 0177786 A1 19860416; EP 0177786 B1 19890301; AU 4694985 A 19860320; AU 562978 B2 19870625; BR 8504350 A 19860708; CA 1243561 A 19881025; DE 3568458 D1 19890406; JP H0349989 B2 19910731; JP S6167773 A 19860407; KR 860002588 A 19860426; KR 890004790 B1 19891127

DOCDB simple family (application)

EP 85111452 A 19850910; AU 4694985 A 19850902; BR 8504350 A 19850910; CA 490501 A 19850911; DE 3568458 T 19850910; JP 18878484 A 19840911; KR 850006596 A 19850910