GPI coverage and content

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: 157 117 910 patent documents

This week's update (12/07/2024 12:00 CET):

139 301 new documents added

1 340 825 documents amended

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EP 0065559 A4 19830406 - FUEL ADDITIVE.

Title (en)

FUEL ADDITIVE.

Title (de)

BRENNSTOFFZUSATZ.

Title (fr)

ADDITIF DE COMBUSTIBLE.

Publication

EP 0065559 A4 19830406 (EN)

Application

EP 82900066 A 19811120

Priority

US 21060180 A 19801126
US 32258181 A 19811118

Abstract (en)

[origin: WO8201889A1] Higher ratios of alcohol to gasoline (gasohol) are possible utilizing gasoline in combination with a mixture of alcohol, a ketone (e.g., acetone) and optionally a small amount of an alkali metal carbonate, such as sodium carbonate, in finely divided form.

IPC 1-7

C10L 1/18

IPC 8 full level

C10L 1/18 (2006.01); C10L 1/02 (2006.01); C10L 1/182 (2006.01)

CPC (source: EP)

C10L 1/023 (2013.01)

Citation (search report)

GB 487772 A 19380624 - CONRAL CLEO CALLIS, et al
GB 411904 A 19340615 - ERNST GUSTAV EDWIN MEYER, et al

Designated contracting state (EPC)

AT CH DE FR GB LI LU NL SE

DOCDB simple family (publication)

WO 8201889 A1 19820610; BR 8108890 A 19821026; EP 0065559 A1 19821201; EP 0065559 A4 19830406; JP S57502001 A 19821111

DOCDB simple family (application)

US 8101541 W 19811120; BR 8108890 A 19811120; EP 82900066 A 19811120; JP 50008382 A 19811120