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Current content: 157 117 910 patent documents

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139 301 new documents added

1 340 825 documents amended

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EP 0185938 B1 19880601 - CORROSION-RESISTANT CONTACT FOR HYDROCHLORIC-ACID ELECTROLYSIS

Title (en)

CORROSION-RESISTANT CONTACT FOR HYDROCHLORIC-ACID ELECTROLYSIS

Publication

EP 0185938 B1 19880601 (DE)

Application

EP 85114829 A 19851122

Priority

DE 3444250 A 19841205

Abstract (en)

[origin: EP0185938A1] 1. Current contact for hydrochloric acid electrolytic cells, consisting of a metallic cap which is screwed to an electrographite bolt, characterized in that the current contact is hermetically shielded from the external and internal surroundings by means of an inert gas, the contact point between the metallic cap and the electrographite bolt being additionally surrounded by a covering composition and/or an elastic ring.

IPC 1-7

C25B 9/04

IPC 8 full level

C25B 9/00 (2006.01); C25B 1/26 (2006.01); C25B 9/04 (2006.01)

CPC (source: EP)

C25B 9/65 (2021.01)

Designated contracting state (EPC)

BE DE FR IT NL

DOCDB simple family (publication)

EP 0185938 A1 19860702; EP 0185938 B1 19880601; DE 3444250 A1 19860605; DE 3563074 D1 19880707; JP S61136690 A 19860624

DOCDB simple family (application)

EP 85114829 A 19851122; DE 3444250 A 19841205; DE 3563074 T 19851122; JP 27170285 A 19851204