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You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 157 337 350 patent documents

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219 431 new documents added

1 247 852 documents amended

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EP 3899073 B1 20220427 - CU-ZN ALLOY

Title (en)

CU-ZN ALLOY

Title (de)

CU-ZN-LEGIERUNG

Title (fr)

ALLIAGE CU-ZN

Publication

EP 3899073 B1 20220427 (DE)

Application

EP 20711876 A 20200313

Priority

DE 202019101597 U 20190320
EP 2020056900 W 20200313

Abstract (en)

[origin: WO2020187758A1] The invention relates to the use of a Cu-Zn alloy of the following composition (stated as wt.%): Cu: 80 - 85, Si: 2.0 - 6.0, Al: 0.55 - 2.0, Fe: maximum 0.8, Ni: maximum 0.5, Sn: maximum 0.5, Mn: maximum 0.1, Pb: maximum 0.3, remainder Zn and unavoidable impurities for producing a cavitation resistant product, the surface of which in proper use comes into contact with fluids flowing past.

IPC 8 full level

C22C 9/10 (2006.01)

CPC (source: EP)

C22C 9/04 (2013.01); C22C 9/10 (2013.01); C22F 1/08 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

DE 202019101597 U1 20190423; EP 3899073 A1 20211027; EP 3899073 B1 20220427; WO 2020187758 A1 20200924

DOCDB simple family (application)

DE 202019101597 U 20190320; EP 2020056900 W 20200313; EP 20711876 A 20200313