Solicitação de exame técnico
#4.1
11/07/1989
RPI 994
Application data
Number
PI8706226Type
Filing
Publication
The letters patent expired on 07/29/2008: 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
E.I. Du Pont de Nemours and Company
US
Inventors
A. F. (pessoa física)
US
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