Solicitação de exame técnico
#4.1
10/18/1988
RPI 939
Application data
Number
PI8506465Type
Filing
Publication
The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 10/18/1988. We update with every new RPI gazette, published weekly.
Applicants
Elf Atochem North America, Inc.
US
Inventors
G. L. (pessoa física)
NL
IPC Classification
Priority claims
US
687.067 · 12/28/1984
US
748.648 · 06/25/1985
US
797.364 · 11/12/1985
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