Solicitação de exame técnico
#4.1
07/28/1987
RPI 875
Application data
Number
PI8506776Type
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: 07/28/1987. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
R. Z. (pessoa física)
US
IPC Classification
Priority claims
US
618.658 · 06/08/1984
US
730.007 · 05/02/1985
Publications in the Brazilian Industrial Property Gazette (RPI).
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07/28/1987
RPI 875
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