Carta-patente expirada
#21.1
Patente extinta em 25/05/2010
01/15/2013
RPI 2193
Application data
Number
PI9002485Type
Filing
Publication
The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.
Applicants
Advanced Elastomer Systems, L.P
US
Exxon Chemical Patents, Inc
US
Inventors
B. G. (pessoa física)
CA
D. H. (pessoa física)
US
N. D. (pessoa física)
US
R. P. (pessoa física)
US
IPC Classification
Priority claims
US
358,974 · 05/26/1989
US
495,839 · 03/19/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
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Patente extinta em 25/05/2010
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RPI 2193
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