Deferimento
#9.1
08/29/1989
RPI 984
Application data
Number
PI8501096Type
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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
R. P. (pessoa física)
US
IPC Classification
Priority claims
US
589.601 · 03/14/1984
US
697.797 · 02/04/1985
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