Exigência - art. 36 da LPI
#6.1
11/07/1989
RPI 994
Application data
Number
PI8402935Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 11/07/1989. We update with every new RPI gazette, published weekly.
Applicants
Chevron Research And Technology Company
US
Chevron Research Company.
US
Chevron U.S.A Inc .
US
R. A. (pessoa física)
FR
Rhone - Poulenc Nederland B.V.
NL
Inventors
C. W. (pessoa física)
US
IPC Classification
Priority claims
US
505.169 · 06/17/1983
US
607.610 · 05/09/1984
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