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Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0187396 B1 19891018 - METHOD AND COMPOSITION FOR THE TREATMENT OF PIPELINES

Title (en)

METHOD AND COMPOSITION FOR THE TREATMENT OF PIPELINES

Publication

EP 0187396 B1 19891018 (EN)

Application

EP 85201837 A 19851111

Priority

GB 8428722 A 19841114

Abstract (en)

[origin: EP0187396A1] Method and composition to remove solids, water and other contaminants from a pipeline. The non aqueous gel composition is obtained from a cross-linkable polymer dissolved or dispersed preferably in a polyhydric alcohol such as monoethylene glycol (MEG). Improved properties in terms of rheology and safety.

IPC 1-7

B08B 9/04

IPC 8 full level

B08B 9/04 (2006.01)

CPC (source: EP)

B08B 9/0555 (2013.01)

Designated contracting state (EPC)

DE FR IT NL

DOCDB simple family (publication)

GB 2167078 A 19860521; GB 2167078 B 19880413; GB 8428722 D0 19841227; DE 3573740 D1 19891123; EP 0187396 A1 19860716; EP 0187396 B1 19891018; NO 172295 B 19930322; NO 172295 C 19930630; NO 854530 L 19860515

DOCDB simple family (application)

GB 8428722 A 19841114; DE 3573740 T 19851111; EP 85201837 A 19851111; NO 854530 A 19851113