Global Patent Index - EP 0370976 A3

EP 0370976 A3 19910717 - ORGANIC PHOSPHATIZING COMPOSITION AND SYSTEM FOR USING IT

Title (en)

ORGANIC PHOSPHATIZING COMPOSITION AND SYSTEM FOR USING IT

Publication

EP 0370976 A3 19910717 (EN)

Application

EP 89830517 A 19891122

Priority

IT 2270588 A 19881123

Abstract (en)

[origin: EP0370976A2] The composition comprises two or are mixed solvents having a flash point higher than 65 DEG C and a vapor tension, at 20 DEG C, lower than 2 mm Hg, which comprises 85 DIVIDED 99% of the composition. The composition also comprises polyphosphates, including acid phosphates and/or free phosphoric acid and possible surface active agents, in an amount of 1 - 15%. The phosphatizing system comprises a processing section (1), a blowing section (2) and drying section (3), as well as a solvent recovery section (4).

IPC 1-7

C23C 22/03

IPC 8 full level

C23C 22/03 (2006.01)

CPC (source: EP)

C23C 22/03 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI NL SE

DOCDB simple family (publication)

EP 0370976 A2 19900530; EP 0370976 A3 19910717; EP 0370976 B1 19960327; AT E136065 T1 19960415; CA 2003639 A1 19900523; DE 68926101 D1 19960502; DE 68926101 T2 19961121; IT 1227716 B 19910506; IT 8822705 A0 19881123

DOCDB simple family (application)

EP 89830517 A 19891122; AT 89830517 T 19891122; CA 2003639 A 19891122; DE 68926101 T 19891122; IT 2270588 A 19881123