Deferimento
#9.1
11/14/1989
RPI 995
Application data
Number
PI8405997Type
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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Ashland Inc
US
Inventors
J. B. (pessoa física)
US
IPC Classification
Priority claims
US
615.135 · 05/30/1984
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